X-Planes: Boeing X-51 Waverider

The X-51A Waverider flew four times, and on the flight that worked the engine under test supplied about eleven percent of the vehicle’s kinetic energy. A twenty-six second rocket burn supplied the other eighty-nine, and the scramjet took two hundred and ten seconds to add its share [Boeing X-51 Waverider] [Boeing X-51A WaveRider sets record with successful fourth flight] [X-51 scramjet engine demonstrator, GlobalSecurity].

This is the fifty-second article in the X-Planes series, following the X-1, the X-2, the X-3, the X-4, the X-5, the X-6, the X-7, the X-8, the X-9, the X-10, the X-11, the X-12, the X-13, the X-14, the X-15, the X-16, the X-17, the X-18, the X-19, the X-20, the X-21, the X-22, the X-23, the X-24, the X-25, the X-26, the X-27, the X-28, the X-29, the X-30, the X-31, the X-32, the X-33, the X-34, the X-35, the X-36, the X-37, the X-38, the X-39, the X-40, the X-41, the X-42, the X-43, the X-44, the X-45, the X-46, the X-47, the X-48, the X-49, and the X-50.

The share is no criticism of the engine, since it describes what the experiment was. The X-51A was not built to accelerate anything. It was built to find out whether a scramjet can keep running. Its answer came in two parts. Changing the engine from its starting fuel to its working fuel was itself a hazard, and a failure at that change ended one of the three flights that attempted it. Once the engine was running on its working fuel, what ended each run was a seal around the engine or an empty tank, and on the causes the Air Force published it was never the combustion.

The Research Question

Can a supersonic combustion ramjet run long enough, on a storable fuel, to be a propulsion system rather than a demonstration.

The Question This Article Inherits

The previous scramjet in this series left a claim unfinished. The X-43 reached Mach 9.68 on gaseous hydrogen [Voland et al 2005], a figure often rounded to Mach 9.6 [NASA X-43] [Marshall et al 2005] [Marshall et al 2005] [McClinton et al 2001] and its engine ran for about eleven seconds [Voland et al 2005], which the Mach 10 flight overview gives as approximately ten [Marshall et al 2005], and that article recorded that eleven seconds on hydrogen has not demonstrated a propulsion system, because the thermal problem at length is a different problem.

The X-51A is the experiment that tests that claim. It flew slower, on a fuel an aeroplane could carry, for nineteen times as long.

\[\frac{210}{11} = 19.1\]

On the ten second figure the ratio is 21.0, and every comparison below that rests on it would strengthen.

The article finds that the earlier claim was right, and right for an arithmetic reason.

Programme Origin

The Air Force Research Laboratory had been working on hydrocarbon scramjets since the 1990s under a programme called HyTech, and in 2004 selected a Boeing and Pratt and Whitney Rocketdyne team to build a flight demonstrator [Air Force Research Laboratory] [X-51 scramjet engine demonstrator, GlobalSecurity] [Boeing X-51 Waverider]. The X-51 designation was allocated on 27 September 2005 [Boeing X-51, Directory of U.S. Military Rockets and Missiles] [X-51 scramjet engine demonstrator, GlobalSecurity]. The Defense Advanced Research Projects Agency, the National Aeronautics and Space Administration, abbreviated NASA, and the Air Force all had a stake [Defense Advanced Research Projects Agency] [Boeing X-51 Waverider], and that agency treated the X-51 as the predecessor of a more ambitious vehicle called Blackswift which was cancelled in October 2008 [DARPA Blackswift].

Four vehicles were built and the programme cost about three hundred million dollars across nine years [X-51 scramjet engine demonstrator, GlobalSecurity]. Every one of the four ended in the Pacific [Boeing X-51 Waverider].

The name is a claim about the shape. A waverider is a configuration whose leading edge is attached to its bow shock, so that the high pressure behind that shock stays underneath the vehicle and becomes lift instead of leaking away around the edges [Waverider] [Sandlin and Pessin 1993].

Sizing From First Principles

No detailed design data for the X-51A has been published [Boeing X-51, Directory of U.S. Military Rockets and Missiles], so this vehicle cannot be sized from its drawings and is sized here from the physics of its flight condition instead. Its three subsections take the stagnation temperature that forbids a subsonic combustor at Mach 5.1, the attached oblique shock that makes the forebody part of the inlet, and the heating rate that a long burn turns into a heat load. Every figure is computed from published inputs, the standard atmosphere and stated material properties, and Where the Framing Breaks Down, near the end, records which of them rest on properties this vehicle never published.

Why a Scramjet Cannot Slow the Air Down

An ordinary jet engine slows the incoming air to a low subsonic speed before burning fuel in it. Around Mach 3 to 4 the compressor stops being useful and ram compression takes over, and above about Mach 5 the combustion itself is kept supersonic [Scramjet], and a single relation explains why.

\[\frac{T_0}{T} = 1 + \frac{\gamma - 1}{2} M^2\]

Stagnation temperature is what the air arrives with and no amount of ducting changes it. Bringing the flow to rest converts the whole of its kinetic energy into heat, and at the X-51A’s cruise condition that gives

\[T_0 = T \left( 1 + \tfrac{\gamma - 1}{2} M^2 \right) = 216.65 \times 6.202 = 1{,}343.7 \ \mathrm{K}\]

being 1,070.5 degrees Celsius before a drop of fuel has been added, the static temperature at both cruise altitudes being taken from the standard atmosphere [U.S. Standard Atmosphere] [U.S. Standard Atmosphere, 1976]. At the X-43’s Mach 9.68 and its altitude of about 110,000 feet [Voland et al 2005], where the standard atmosphere gives 232.4 kelvin, the same relation gives 4,588.4 kelvin, or 4,315.2 degrees Celsius, and

\[\frac{T_{0,\text{X-43}}}{T_{0,\text{X-51}}} = 3.41\]

Air at four thousand kelvin is not air any more. Oxygen begins to dissociate appreciably above about two thousand kelvin [Anderson, Hypersonic and high-temperature gas dynamics], and a gas whose molecules have been pulled apart absorbs the energy of combustion into reassembling itself rather than into pushing on a nozzle.

The pressures involved show why the flow is not stopped. Bringing the flow to rest isentropically would raise its pressure by

\[\frac{p_0}{p} = \left( 1 + \frac{\gamma - 1}{2} M^2 \right)^{\!\gamma / (\gamma - 1)} = 594\]

and its density by a factor of 95.8. A duct that captured that flow and stopped it would be holding 594 times the ambient pressure, which at the fourth flight’s altitude is about 42 atmospheres, at more than a thousand degrees. It would be a pressure vessel.

The dynamic pressure has a form that needs no density at all.

\[q = \tfrac{1}{2} \rho V^2 = \tfrac{1}{2} \gamma p M^2\]

At Mach 5.1 that is 18.2 times the static pressure, and the cruise value on the fourth flight was 2,750 pounds per square foot, against 1,640 on the first, because the fourth flight was flown ten thousand feet lower where the air is 1.62 times denser [Boeing X-51A WaveRider breaks record in first flight] [X-51 scramjet engine demonstrator, GlobalSecurity].

So the flow is not slowed to subsonic. It is slowed a little, burned while still supersonic, and expanded. For this reason the engine has no rotating machinery, no compressor and no turbine [Scramjet] [Heiser and Pratt, Hypersonic airbreathing propulsion] [Curran and Murthy, Scramjet propulsion] [Anderson, Hypersonic and high-temperature gas dynamics].

The same reason keeps a scramjet from starting at a standstill. There is no machinery to compress anything, so the compression has to be done by going fast, and going fast has to be done by something else.

The Shape Is the Inlet

On a hypersonic vehicle the forebody is part of the engine. The compression the engine needs is done by the shock system standing off the underside of the vehicle, and the waverider shape exists so that the shock stays attached to the leading edge and the compressed air stays underneath [Cockrell et al 1995] [Cockrell 1993].

The relation governing an attached oblique shock is the theta-beta-Mach relation.

\[\tan \theta = 2 \cot \beta \, \frac{M_1^2 \sin^2 \beta - 1}{M_1^2 (\gamma + \cos 2\beta) + 2}\]

The flow responds not to the free-stream Mach number but to its component normal to the shock.

\[M_{n1} = M_1 \sin \beta\]

and that component alone determines the pressure rise.

\[\frac{p_2}{p_1} = 1 + \frac{2 \gamma}{\gamma + 1} \left( M_{n1}^2 - 1 \right)\]

For a given free-stream Mach number and a given wedge angle there are two attached solutions, and in practice the weaker one occurs, and above a maximum deflection angle there is no attached solution at all and the shock stands off as a bow wave [Anderson, Modern compressible flow]. A waverider is a shape designed backwards from a chosen shock. The method makes the shape unusual, and the shape works only near the Mach number it was cut for.

Putting a scramjet on a waverider is a separate and small literature [Rasmussen and Soares 1989] [Cockrell 1994] [Chang 1992].

The consequence for the engine is that the inlet has no independent existence. A change in angle of attack moves the shock, which changes what the inlet swallows, which changes the combustor. The forebody, the inlet, the combustor and the afterbody nozzle are one device, and a bookkeeping error in the drag of the first is a bookkeeping error in the thrust of the last [Anderson, Modern compressible flow] [Bertin, Hypersonic aerothermodynamics].

Heat Is a Rate, and Duration Turns It Into a Load

This is the article’s centre.

Stagnation-point heating scales approximately as the square root of density and the cube of velocity, and the Sutton and Graves correlation puts a constant on it.

\[\dot{q} = 1.7415 \times 10^{-4} \sqrt{\frac{\rho}{R_n}} \, V^3\]

The nose radius is not published and a waverider wants it small [Boeing X-51, Directory of U.S. Military Rockets and Missiles], so the result is a range. At the fourth flight’s condition, with density 0.1163 kilograms per cubic metre and velocity 1,504.9 metres per second,

\[R_n = 5 \ \mathrm{mm} \Rightarrow \dot{q} = 2.86 \ \mathrm{MW/m^2} \qquad R_n = 50 \ \mathrm{mm} \Rightarrow \dot{q} = 0.91 \ \mathrm{MW/m^2}\]

A surface that has to lose that by radiation alone reaches

\[T_{\text{rad}} = \left( \frac{\dot{q}}{\varepsilon \sigma} \right)^{\!1/4}\]

giving 2,545 degrees Celsius for the sharp edge and 1,840 for the blunt one, taking emissivity as 0.8. Both are far above the melting range of a nickel superalloy, 1,290 to 1,350 degrees Celsius for INCONEL alloy 625 [INCONEL alloy 625, Special Metals Corporation].

The two temperatures state the waverider’s central compromise [Vanmol and Anderson 1992]. The shape wants a sharp leading edge, because a sharp edge is what keeps the shock attached and the compressed air underneath. The thermal problem wants a blunt one, because heating goes as the inverse square root of the radius. The vehicle has to be sharp enough to work and blunt enough to survive, and no setting of that dial is comfortable.

By that measure the X-43 was far worse off than the X-51. On velocity alone, the X-43 flying at 2,958.5 metres per second at its Mach number and altitude,

\[\frac{\dot{q}_{\text{X-43}}}{\dot{q}_{\text{X-51}}} \approx \left( \frac{2958.5}{1504.9} \right)^{\!3} = 7.60\]

and a comparison of the two aeroplanes usually stops at that number. The X-43 flew hotter. It flew more than three times hotter in stagnation temperature and more than seven times harder in heating rate.

But heat is not a rate. It is the integral of a rate.

\[Q = \int_0^{t} \dot{q} \, \mathrm{d}t\]

And the two flights differ by a factor of nineteen in the upper limit. Taking the heating rates as constant across each burn, which overstates neither case badly,

\[\frac{Q_{\text{X-51}}}{Q_{\text{X-43}}} = \frac{19.1}{7.60} = 2.51\]

The slower aeroplane absorbed more than two and a half times as much heat. The programme turns on that sentence. It means that an eleven second flight and a two hundred and ten second flight are not the same experiment conducted for different lengths of time. They are different experiments.

Heat has to get into the structure, and how far it gets depends on the square root of time. The diffusion length for a solid of thermal diffusivity $\alpha$ after a time $t$ is

\[\delta \approx \sqrt{\alpha t}\]

and for a nickel superalloy, whose diffusivity is about 3.5 millionths of a square metre per second, the two flights differ like this. The manufacturer’s conductivity, density and specific heat for INCONEL alloy 625 give 2.8 millionths at room temperature and 4.6 millionths at 982 degrees Celsius [INCONEL alloy 625, Special Metals Corporation], so 3.5 is a mid-range value.

\[\delta_{\text{X-43}} = \sqrt{(3.5 \times 10^{-6})(11)} = 6.2 \ \mathrm{mm} \qquad \delta_{\text{X-51}} = \sqrt{(3.5 \times 10^{-6})(210)} = 27.1 \ \mathrm{mm}\]

a ratio of

\[\frac{\delta_{\text{X-51}}}{\delta_{\text{X-43}}} = \sqrt{\frac{210}{11}} = 4.37\]

Six millimetres is a skin. Twenty-seven millimetres is not something an aeroplane can carry as dead mass, and that difference separates the two experiments.

A short flight is a structures problem you can solve with heat capacity. Put enough mass in the leading edge and the heat will not have reached the far side of it before the flight is over. A long flight is a heat transfer problem [Schlichting and Gersten, Boundary-layer theory], because the heat arrives at the far side, the structure comes into equilibrium, and the energy has to go somewhere other than into the metal.

Hence the actively cooled structural panel became a research subject, and its literature dates from the 1970s [Koch and Pagel 1978] [Smith and Beuyukian 1979] [Ellis et al 1978].

Dependent Systems

The engine under test could not start itself, reach its operating point or cool itself, and each of those functions was supplied by another system. A B-52 carried the vehicle to about fifty thousand feet, a surplus Army rocket motor accelerated it to about Mach 4.8, and the 270 pounds of Jet Propellant 7, JP-7, aboard was both the fuel and the coolant of the engine [Boeing X-51, Directory of U.S. Military Rockets and Missiles] [Boeing X-51A WaveRider sets record with successful fourth flight] [Boeing X-51 Waverider] [Boeing X-51A WaveRider breaks record in first flight]. Those dependencies are the subject of this section’s two subsections. The seal, the fuel transition and the fin latch that ended three of the four flights are taken under The Flight Test Record, and What the Data Changed concludes that the engine itself ended one flight, at its change of fuel, while the structure, the airframe and the fuel supply ended the other three.

Something Else Did Most of the Work

The X-51A was carried to about fifty thousand feet under the wing of a B-52 and dropped. A surplus rocket motor from an Army tactical missile then accelerated it to about Mach 4.8 in twenty-six seconds [MGM-140 ATACMS] [Boeing X-51A WaveRider sets record with successful fourth flight] [X-51 scramjet engine demonstrator, GlobalSecurity].

At that point the booster fell away and the scramjet lit, and took the vehicle from Mach 4.8 to Mach 5.1 [Boeing X-51A WaveRider sets record with successful fourth flight].

The arithmetic is short. Kinetic energy goes as the square of speed, so the share of the final energy each stage supplied is

\[\frac{E_{\text{boost}}}{E_{\text{cruise}}} = \left( \frac{V_{\text{boost}}}{V_{\text{cruise}}} \right)^{\!2} = \left( \frac{4646.8}{4937.2} \right)^{\!2} = 0.886\]

The rocket supplied 88.6 percent of the kinetic energy in twenty-six seconds. The scramjet supplied 11.4 percent in two hundred and ten, taking

\[\frac{210}{26} = 8.08\]

times as long to do an eighth as much.

A cruise engine is not an accelerator, and the X-51A was demonstrating cruise. The split does show what the vehicle was, and it exposes the eventual operational question. An air-breathing engine that adds about eleven percent of the energy still needs a rocket to reach its own operating point.

Where the Heat Went, and What It Cost

It went into the fuel. The X-51A’s engine was fuel-cooled [X-51 scramjet engine demonstrator, GlobalSecurity], its JP-7 passing through the walls of the engine before being injected [Jp-7], so the fuel cooled the structure and was itself heated and cracked on the way. Cracking a heavy hydrocarbon into lighter fragments absorbs energy [Hill and Peterson, Mechanics and thermodynamics of propulsion] [Glassman 1998]. The fuel is called endothermic for that reason, and the cracked products shorten the ignition delay in the combustor [Dinda et al 2021].

One tank did two jobs. The vehicle carried 270 pounds of JP-7 [Boeing X-51 Waverider], which is

\[\frac{270}{4000} = 6.75\%\]

of its empty weight, and that same 270 pounds was the engine’s coolant [Boeing X-51A WaveRider breaks record in first flight].

The fourth flight burned the tank dry and stopped because it did [Boeing X-51A WaveRider sets record with successful fourth flight], so its average consumption is measured.

\[\dot{m}_f = \frac{270}{210} = 1.286 \ \mathrm{lb/s}\]

The cooling that fuel flow provides is finite and computable. Taking the physical and endothermic heat sink of a cracked hydrocarbon fuel at 2,500 to 3,500 kilojoules per kilogram, which a review of the endothermic fuel literature gives for fuels of eight to fifteen carbon atoms, or 1,075 to 1,505 British thermal units per pound [Dinda et al 2021] [Petley and Jones 1990] [Morris et al 2002], the cooling power available while the engine runs is

\[P_{\text{cool}} = \dot{m}_f \, h_{\text{sink}} = 1.286 \times (1075 \ \text{to} \ 1505) = 1{,}382 \ \text{to} \ 1{,}935 \ \mathrm{Btu/s}\]

being between 1,458 and 2,041 kilowatts.

Here is the coupling that makes the configuration hard. The same fuel releases at least 18,700 British thermal units per pound when burned, the minimum net heat of combustion its specification sets [Jp-7], so the heat it can absorb is

\[\frac{h_{\text{sink}}}{h_{\text{combustion}}} = \frac{1075 \ \text{to} \ 1505}{18700} = 5.7\% \ \text{to} \ 8.0\%\]

of the heat it releases. The coolant capacity of the system is between a twelfth and a seventeenth of the energy the system is producing, and the two are the same substance, and you cannot increase one without spending the other.

The Flight Test Record

The X-51A flew four times between 26 May 2010 and 1 May 2013, and only the first and fourth flights sustained scramjet operation. Every vehicle ended in the Pacific, so the record consists of what the telemetry returned and what the programme announced [Boeing X-51 Waverider] [Boeing X-51A WaveRider sets record with successful fourth flight]. Its subsections take the three flights that ended early in date order, then a table of all four, then what the fourth flight’s published numbers imply about the engine.

The First Flight Ended at a Seal

On 26 May 2010 the first vehicle reached Mach 5 at seventy thousand feet and ran its engine for 143 seconds, about ten times longer than any scramjet had flown before [X-51 scramjet engine demonstrator, GlobalSecurity] [Boeing X-51A WaveRider breaks record in first flight]. The manufacturer’s release on the day gave more than two hundred seconds of powered flight [Boeing X-51A WaveRider breaks record in first flight], and another account gives 140 seconds under scramjet power [Boeing X-51 Waverider], so the engine time is the later figure and not the first one announced. It was cut short by an apparent thermal seal breach at the interface between the rear of the engine and its nozzle, which let hot gas that should have been making thrust leak into the rear of the vehicle, and the vehicle had also accelerated more slowly than expected [Modified X-51A Waverider ready for next hypersonic test, United States Air Force] [X-51 scramjet engine demonstrator, GlobalSecurity].

The engine grows about three quarters of an inch when it comes up to temperature [Modified X-51A Waverider ready for next hypersonic test, United States Air Force] [X-51 scramjet engine demonstrator, GlobalSecurity]. Against a vehicle twenty-five feet long [Boeing X-51 Waverider] that is

\[\frac{0.75}{300} = 0.25\%\]

of the overall length, and a seal at that interface has to stay sealed through that growth while hot gas is on one side.

The engine’s length is not published, and the growth implies it [Boeing X-51, Directory of U.S. Military Rockets and Missiles]. Thermal expansion is

\[\Delta L = \alpha L \, \Delta T\]

so solving for the length that gives three quarters of an inch, at a linear expansion coefficient of 15.6 millionths per kelvin, the mean for INCONEL alloy 625 between room temperature and 821 degrees Celsius [INCONEL alloy 625, Special Metals Corporation], and a temperature rise of eight hundred kelvin,

\[L = \frac{\Delta L}{\alpha \, \Delta T} = \frac{0.75}{(15.6 \times 10^{-6})(800)} = 60 \ \mathrm{in} = 5.0 \ \mathrm{ft}\]

a plausible engine for a twenty-five foot vehicle, offered as a consistency check on the published growth rather than as a measurement of anything.

A scramjet has no moving parts and this is what replaces them. The absence of a compressor and a turbine is the configuration’s chief virtue, and what it substitutes is a structure that changes shape by a quarter of a percent while carrying a temperature difference of a thousand degrees, at every joint, for as long as the flight lasts. The problem is one of duration, and an eleven second flight never meets it.

The Second Flight Ended at the Fuel Transition

On 13 June 2011 the second vehicle suffered an inlet unstart as its engine changed fuel. The booster brought it to just over Mach 5, and the engine lit on ethylene, the easily ignited starting fuel, and was attempting the transition to JP-7 when the inlet unstarted [Second hypersonic flight ends prematurely, brings new flight test data, United States Air Force] [Boeing X-51 Waverider]. The vehicle oriented itself for a restart, the restart failed, and it flew on under control until it struck the ocean, so the engine never reached full power [Second hypersonic flight ends prematurely, brings new flight test data, United States Air Force]. The Air Force announced a review of the telemetry to find the cause, and none of the sources cited here reports what that review found.

The same change had worked once already. On the first flight the engine lit on a mix of ethylene and JP-7 and then ran on JP-7 alone [X-51 Waverider makes historic hypersonic flight, United States Air Force], and a trade report of the second flight records that the first had also suffered an inlet unstart, about 110 seconds after ignition, from which the engine recovered [Second X-51 hypersonic flight ends prematurely, Flight International].

An unstart is the inlet ceasing to swallow the flow it was built to swallow. The internal contraction of a supersonic inlet can only be so large before the shock system cannot be pushed inside it, and past that limit the shock is expelled forwards, the captured mass flow collapses, and the pressure rise propagates upstream in a fraction of a second [Holland 1994] [Foster et al 2012].

The limit is computable and it is tighter than intuition suggests. A fixed-geometry inlet must be able to swallow its own shock system, and the test is whether the throat can pass the flow after a normal shock has stood at the entrance and destroyed most of its total pressure. The isentropic area relation

\[\frac{A}{A^*} = \frac{1}{M} \left[ \frac{2}{\gamma + 1} \left( 1 + \frac{\gamma - 1}{2} M^2 \right) \right]^{(\gamma + 1) / 2(\gamma - 1)}\]

gives 27.07 at Mach 5.1, and a normal shock at that Mach number leaves only 5.72 percent of the total pressure, which enlarges the sonic area by the inverse of that fraction. Requiring the throat to be at least the enlarged sonic area gives the Kantrowitz condition,

\[\frac{A_{th}}{A_i} \ \geq \ \frac{1}{(p_{02}/p_{01}) \, (A/A^*)_{M_1}} = 0.646\]

so the throat cannot be smaller than about two thirds of the capture area, and the internal contraction cannot exceed about 1.55. A designer wanting more compression than that has to get it outside the inlet, on the forebody, and that requirement is the other reason for this vehicle’s shape.

There is a second way to unstart an engine and it comes from the back. Adding heat to a duct drives the flow towards Mach one whichever side of it the flow starts on. This is Rayleigh flow, and enough heat release chokes the duct thermally [Anderson, Modern compressible flow]. A thermal choke is a pressure rise that travels forwards, and the transition from a light starting fuel to the real fuel changes how much heat is released and where.

The isolator exists to hold that off. It is a constant-area duct between inlet and combustor whose job is to contain a shock train, so that the pressure rise from combustion has somewhere to sit without reaching the inlet throat [Heiser and Pratt, Hypersonic airbreathing propulsion]. Its length is a design margin against the engine unstarting itself, and the fuel transition at which the second flight failed changes exactly that pressure rise. The sources cited here do not say whether the second flight’s unstart began at the inlet or was driven forwards from the combustor, so the flight shows that the engine failed at its change of fuel and does not show which of the two mechanisms acted.

The Third Flight Ended at a Latch

On 14 August 2012 the third vehicle was lost when an upper right control fin unlocked in flight. The vehicle became uncontrollable and was destroyed [Boeing X-51 Waverider] [X-51 scramjet engine demonstrator, GlobalSecurity]. It lost control before the scramjet engine could be lit, so the third flight never tested the engine [Boeing X-51 Waverider].

A fin unlocked. Not an unstart, not a flameout, not a thermal failure of the flowpath. A control surface that was supposed to be held in place was not held in place [Boeing X-51 Waverider].

The Flight Record

Flight	Date	Outcome	Powered seconds
1	26 May 2010	Mach 5 at 70,000 feet, cut short by a thermal seal breach	143
2	13 June 2011	Inlet unstart during the transition from ethylene to JP-7, restart unsuccessful	none sustained
3	14 August 2012	Upper right fin unlocked, control lost	none
4	1 May 2013	Mach 5.1 at 60,000 feet, tank burned dry	210

The fourth flight was flown over the Point Mugu sea range and ended in a controlled dive into the Pacific [Naval Air Station Point Mugu] [Boeing X-51A WaveRider sets record with successful fourth flight].

Total powered flight across the programme was 353 seconds. Against three hundred million dollars that is

\[\frac{300 \times 10^6}{353} = \$849{,}858 \ \text{per second}\]

of scramjet operation. The figure is offered as a measure of how expensive this kind of knowledge is and not as a judgement, since the alternative to buying it was not buying it.

What the Flight Says About the Engine

The sources cited here give no thrust, no specific impulse and no lift-to-drag ratio [Boeing X-51, Directory of U.S. Military Rockets and Missiles]. The programme published a burn time, a fuel load, two Mach numbers and an altitude, and those are enough to bound the rest.

Start with what the fuel implies about the air. A kerosene-class fuel burns stoichiometrically at about 0.0682 pounds of fuel per pound of air, the ratio that the oxygen demand of a hydrocarbon of average formula $\mathrm{C_{12}H_{23}}$ gives with oxygen at 23.14 percent of air by mass, so at an equivalence ratio of one the engine was swallowing

\[\dot{m}_{\text{air}} = \frac{\dot{m}_f}{\phi \, f_{\text{st}}} = \frac{1.286}{0.0682} = 18.9 \ \mathrm{lb/s}\]

and twice that if it ran at half stoichiometric.

The accounting for such an engine is done in stream thrust rather than in thrust, because the forebody and the afterbody are part of the engine and there is no station at which a thrust gauge could be placed [Curran and Craig 1973] [Heiser and Pratt, Hypersonic airbreathing propulsion].

Now the range relation, which for a cruising air-breather is Breguet’s.

\[R = V \, I_{sp} \, \frac{L}{D} \, \ln \frac{W_0}{W_1}\]

The vehicle carried 270 pounds of fuel on a 4,000 pound empty weight [Boeing X-51 Waverider], so the mass ratio is 1.0675 and its logarithm is 0.0653. The powered distance is the cruise speed multiplied by the burn time,

\[R = (1504.9)(210) = 316 \ \mathrm{km} = 171 \ \mathrm{nmi}\]

and solving the range relation for what the vehicle must have had gives a product rather than a value.

\[I_{sp} \, \frac{L}{D} = \frac{R}{V \ln (W_0 / W_1)} = 3{,}215\]

The programme published neither factor and the flight cannot separate them. At a lift-to-drag ratio of 3 the specific impulse is 1,072 seconds. At 2 it is 1,607 and at 4 it is 804.

The acceleration gives the more telling number. The vehicle accelerated from Mach 4.8 to Mach 5.1 over the 210 seconds, so the net force it averaged was

\[F_{\text{net}} = \frac{m \, \Delta(\tfrac{1}{2} V^2)}{t \, V} = 167 \ \mathrm{lbf}\]

which against the measured fuel flow is a net specific impulse of

\[I_{sp,\text{net}} = \frac{F_{\text{net}}}{\dot{m}_f} = \frac{167}{1.286} = 130 \ \mathrm{s}\]

This is a lower bound and it omits the climb, because the altitude at booster separation is not published and any climb is energy the engine also had to supply.

One hundred and thirty seconds against an engine that was producing between eight hundred and sixteen hundred. The difference is drag.

\[\frac{I_{sp,\text{net}}}{I_{sp}} = 8.1\% \ \text{to} \ 16.1\%\]

Between 84 and 92 percent of what the engine made went into pushing the vehicle through the air rather than into speeding it up. Such a figure is ordinary for a cruise vehicle, which by definition is spending its thrust on drag. The figure is stated here because it shows where a running engine’s output went, and it describes the engine only on the one flight on which the engine ran until its fuel was gone.

Comparison With Ground Prediction

The programme published almost nothing that it predicted before flight, so the comparison this record supports is narrow, and most of it is a comparison with a target rather than with a measurement. No thrust, no specific impulse, no lift-to-drag ratio and no internal flowpath geometry appear in the sources cited here, so there is no ground prediction of engine performance against which the four flights can be set.

The one stated target is the burn time, and flight fell short of it. The programme aimed at a three hundred second burn [Boeing X-51 Waverider], the first flight reached 143 seconds and the fourth reached 210, and the subsection below shows that the 270 pound tank could not have supplied three hundred seconds at the fuel flow the fourth flight used. The target and the tank disagreed, and only a flight that burned the tank dry could expose it. One account describes the vehicle’s fuel as a 240 second supply [X-51 scramjet engine demonstrator, GlobalSecurity], a figure also shorter than the target.

The ground facilities could not reproduce the flight gas, which made the flights necessary. As What the Data Changed records below, a combustion-heated facility changes the composition of the gas the engine breathes and an open-jet facility interacts with its model [Andrews et al 1985] [Albertson and Emami 2001]. Flight returned what the tunnels could not. A hydrocarbon-fuelled scramjet runs for 210 seconds at Mach 5 with its fuel as coolant [Boeing X-51A WaveRider sets record with successful fourth flight], and the change from the starting fuel to JP-7 succeeded on two of the three flights that attempted it [X-51 Waverider makes historic hypersonic flight, United States Air Force] [Second hypersonic flight ends prematurely, brings new flight test data, United States Air Force] [Boeing X-51A WaveRider sets record with successful fourth flight].

The article’s first-principles figures are not predictions of this vehicle and cannot be scored against it. The Kantrowitz limit of about two thirds of the capture area bounds any fixed-geometry inlet at Mach 5.1, but no inlet contraction ratio was published, so the second flight’s unstart cannot be set against it. The three quarters of an inch of engine growth is a published figure, and the article does not record whether it came from ground test or from flight, only that the seal at that interface was breached on the first flight. The heat flux, radiation temperatures and penetration depths in the subsection headed Heat Is a Rate, and Duration Turns It Into a Load rest on a nose radius and material properties the programme never published.

What flight did return about the engine is a bound rather than a check. The earlier subsection on what the flight says about the engine derives from the fourth flight a product of specific impulse and lift-to-drag ratio of 3,215 and a net specific impulse of 130 seconds, and those are the only engine performance figures this article can state. They have no published ground counterpart, so they measure the vehicle and test no prediction of it.

The Fuel Ran Out Before the Clock Did

The programme’s target was a three hundred second burn and no flight achieved it [Boeing X-51 Waverider]. The first reached 143 seconds and the fourth reached 210, being

\[\frac{143}{300} = 47.7\% \qquad \frac{210}{300} = 70.0\%\]

At the fourth flight’s demonstrated consumption, three hundred seconds would have required

\[m_f = \dot{m}_f \, t = 1.286 \times 300 = 385.7 \ \mathrm{lb}\]

which is 42.9 percent more fuel than the vehicle carried. The 300 second goal and the 270 pound tank were not compatible at the flow rate the engine used. The article does not know which of the two was the later number, and notes only that the flight which succeeded ran the tank dry rather than running out of objectives.

What the Data Changed

The programme established that a hydrocarbon-fuelled scramjet will run for two hundred and ten seconds at Mach 5 in flight, cooled by its own fuel. No vehicle had done it before, and the manufacturer announced it as the longest scramjet-powered hypersonic flight in history [Boeing X-51A WaveRider sets record with successful fourth flight].

That it had to be established in flight at all is a fact about ground facilities. A combustion-heated facility supplies the enthalpy by burning something, which changes the composition of the gas the engine is asked to breathe, and an open-jet facility interacts with the model it contains [Andrews et al 1985] [Albertson and Emami 2001] [Voland et al 1999]. A tunnel that reproduces the Mach number does not reproduce the enthalpy, or reproduces it with the wrong gas, and there is no arrangement of valves that fixes that.

It also showed, without setting out to, which subsystem limited each flight. The first was ended by a seal at the rear interface of the engine, the second by an inlet unstart during the engine’s change from ethylene to JP-7, the third by a fin latch before the engine was lit, and the fourth by the fuel running out as intended [Modified X-51A Waverider ready for next hypersonic test, United States Air Force] [Second hypersonic flight ends prematurely, brings new flight test data, United States Air Force] [Boeing X-51 Waverider] [X-51 scramjet engine demonstrator, GlobalSecurity]. The engine under test ended one of the three flights on which it was lit, and it did so at its change of fuel and not in steady running. On the two flights that reached steady running on JP-7, the published causes name no failure of the combustion.

The finding is narrower than a claim of maturity. Steady supersonic combustion of a storable fuel held for as long as the fuel lasted, but the change from the starting fuel to the working fuel failed once in three attempts, and the seal and the latch show that the ordinary components could end a flight as surely as the exotic one. Three attempts cannot give a reliability for the transition, and the article does not claim one. The problem is also not solved, because two hundred and ten seconds is three and a half minutes and an aircraft would need hours.

The Contemporary Literature

Cluster	Records
Supersonic combustion and the scramjet flowpath	1,459
Heat as a load rather than a rate, and where it goes	430
Inlets, starting and the unstart that ended a flight	407
Flight control and what the vehicle did about it	380
Supersonic and hypersonic aerodynamics of bodies, wings and boundary layers	355
Flight test, instrumentation and what was actually measured	238
Ground facilities and how hypersonic flow is made on Earth	239
Fuel as coolant, and the endothermic heat sink	212
Shock and boundary layer interaction	202
High-temperature materials and structures	168
Real gas effects and chemical nonequilibrium	168
The waverider shape and compression lift	163
Computation of hypersonic flow and its validation	152
Hypersonic vehicle concepts, programmes and system studies	123
Airframe and propulsion as one object	95
Boost, separation and getting to the start line	71
The atmosphere and the flight condition	47
Total	4,909

Supersonic combustion and the scramjet flowpath

The largest cluster, and the thing the programme existed to demonstrate. Supersonic combustion, isolators, shock trains, combustors, fuel injection into a crossflow, flameholding and mode transition between ramjet and scramjet operation, with the wider literature of ramjets, dual-mode engines and combined cycles of which the scramjet is one member.

1,459 records. [Marshall et al 2005] [Abbass 2024] [Abdel-Salam and Carson 2004] [Abdel-Salam et al 2000] [Abdel-Salam et al 2001] [Abdel-Salam et al 2001] [Abdollahi et al 2024] [Abhishek et al 2025] [Acharya 2025] [Acharya and Murphy 1998] [Acharya et al 2020] [Adami and Zhu 2007] [Adami and Zhu 2008] [Adams 1967] [Aerothermodynamics of the Dual-Mode 2001] [Aguilera and Yu 2017] [Aguilera et al 2009] [Aguilera Munoz and Yu 2014] [Ahmed et al 2025] [Ahuja and Hartfield 2008] [Ahuja and Hartfield 2009] [Airbreathing Propulsion] [Akihisa et al 2002] [Aksu and Uslu 2017] [Alex and Lijo 2021] [Alexander and Acharya 2024] [Alexander and Acharya 2025] [Alferov et al 2001] [Ali and Fujiwara 2005] [Ali et al 2000] [Ali et al 2003] [Allen et al 2005] [Allen et al 2007] [Albertson and Emami 2001] [Alter 2012] [Amati et al 2008] [Ambe Verma et al 2021] [Ambe Verma et al 2021] [An et al 2020] [An et al 2021] [Ananthapadmanaban] [Anderson and Gooderum 1974] [Andreadis et al 2002] [Andreadis et al 2003] [Andrews et al 1994] [Andrews 1978] [Ferri 1964] [Arad 2024] [Arad 2026] [Arens 1961] [Arnold et al 2023] [Assis et al 2019] [Attar et al 2026] [Auslender et al 2009] [Avasali Dineshkumar et al 2026] [Axdahl et al 2011] [Axdahl et al 2012] [Babu 2021] [Baccarella et al 2020] [Bagaveyev et al 2010] [Bakos] [Balaji and Venkatasubbaiah 2025] [Balaji Himakar and Rao 2025] [Balland and Vincent-Randonnier 2015] [Ban et al 2026] [Bao et al 2012] [Bao et al 2013] [Bao et al 2017] [Baranovskii and Levin 1990] [Baranovskii and Levin 1991] [Barber et al 1997] [Barlow and Wood 1987] [Barlow et al 1988] [Barnes and Segal 2015] [Barreto et al 2021] [Barth] [Barth et al 2014] [Barzegar Gerdroodbary 2020] [Bates 2004] [Bauer 1966] [Bauer et al 1974] [Bauer et al 1998] [Baumberger et al 2026] [Baurle and Eklund 2001] [Baurle and Gruber 1998] [Baurle et al 1998] [Baş 2026] [Ben-Arosh et al 1997] [Ben-Arosh et al 1998] [Ben-Arosh et al 1999] [Ben-Yakar and Hanson 1999] [Bendot et al 1975] [Benjelloun Touimi and Doom 2025] [Berger 1971] [Berger et al 2019] [Berglund and Fureby 2007] [Berglund et al 2010] [Besserer 1952] [Bezerra et al 2024] [Bezerra et al 2026] [Bhagwandin et al 2009] [Bhatia and Sirignano 1990] [Bielawski 2026] [Billig 1967] [Billig 1992] [Billig 1993] [Billig 1995] [Billig et al 1979] [Billig 1967] [Billig and Grenleski 1970] [Birzer and Doolan 2007] [Bogi et al 2025] [Boiocchi et al 2018] [Bokor et al 2026] [Boles and Milligan 2013] [Bonanni and Ihme 2023] [Bordoloi et al 2021] [Bordoloi et al 2022] [Bordoloi et al 2022] [Bormotova et al 2003] [Bose 2012] [Bouazzi et al 2025] [Bouchez 2001] [Bouchez and Beyer 2005] [Bouchez and Beyer 2006] [Bouchez and Levine 2003] [Bouchez et al 2004] [Bouchez et al 2005] [Bouchez et al 2011] [Boudreau et al 1993] [Boulal and Le Pichon 2026] [Boulal et al 2026] [Bowcutt and Haney 1995] [Bowman et al 1990] [Bowman et al 1991] [Bowman et al 1992] [Bowman et al 1997] [Boyce and Paull 2001] [Boyce et al 2003] [Brabbs and Robertson 1987] [Bradford and Olds 1999] [Brahmachary and Ogawa 2021] [Braun et al 2025] [Braun et al 2025] [Braun et al 2026] [Bravo et al 2025] [Brieschenk et al 2013] [Brits] [Brown 2003] [Brown and Boyce 2012] [Brown and Donbar 2013] [Brown and Donbar 2015] [Brown and Hale 1984] [Brown et al 2010] [Brummund and Scheel 2002] [Bruno 2023] [Bruno 2023] [Bruno 2023] [Buchmann 1978] [Buchmann 1990] [Builder 1964] [Bulman and Siebenhaar 1995] [Bura 2017] [Burke and Poggie 2023] [Burnett and Czysz 1963] [Busa et al 2016] [Bussing and Murman 1983] [Bustard et al 2024] [Byun and Kim 2026] [Cai et al 2016] [Cai et al 2017] [Cai et al 2018] [Cai et al 2025] [Cain 2002] [Cambier and Adelman 1997] [Campuzano and Dang 1995] [Cao et al 2014] [Cao et al 2015] [Cao et al 2019] [Cao et al 2021] [Cao et al 2023] [Carson et al 2004] [Carter 2012] [Carter and Springfield 2002] [Carvalho et al 2020] [Cavanaugh et al 2025] [Cavanaugh et al 2026] [Cavity-actuated supersonic mixing and 1995] [Cavolowsky et al 1995] [Cavolowsky et al 1995] [Centlivre 2023] [CFD optimization and test 1994] [Chambers Jr 2007] [Chan and Ihme 2014] [Chan and Ihme 2016] [Chandrasekhar et al 2014] [Chang et al 2011] [Chang et al 2014] [Charyulu et al 1998] [Chen et al 2003] [Chen et al 2009] [Chen et al 2013] [Chen et al 2018] [Chen et al 2022] [Chen et al 2024] [Chen et al 2024] [Chen et al 2025] [Chen et al 2025] [Chen et al 2026] [Chen et al 2026] [Cheng et al 2017] [Chern et al 2025] [Chi et al 2014] [Chiu 1987] [Chiu 1987] [Choi and Menon 2009] [Choi and Yang 2003] [Choi and Yang 2014] [Choi et al 2005] [Choi et al 2011] [Choi et al 2026] [Choubey and Pandey 2018] [Choubey and Tiwari 2022] [Choubey and Tiwari 2022] [Choubey and Tiwari 2022] [Choubey et al 2016] [Choubey et al 2021] [Choubey et al 2022] [Choubey et al 2023] [Choubey et al 2023] [Choubey et al 2027] [Cisneros-Garibay et al 2020] [Cisneros-Garibay et al 2022] [Clauser 1954] [Clauss et al 1994] [Clemens 2010] [Cockrell et al 2002] [Cocks et al 2013] [Cohen 1968] [Cohen et al 1997] [Colwill et al 1969] [Combustion in Supersonic Flows 2006] [Combustion of High-Energy Fuels 2001] [Combustion Scaling in an 2012] [Connolly et al 2021] [Cookson 1976] [Corbin et al 2008] [Courtland 2010] [Couture et al 2008] [Crow et al 2012] [Cui et al 2018] [Culick et al 1982] [Culick et al 1983] [Culick et al 1985] [Cuppoletti et al 2020] [Curran 1996] [Current State-of-the-Art for Airbreathing 1974] [Cutler et al 2013] [Cymbalist and Dimotakis 2013] [Czysz 1988] [da Costa et al 2016] [da Costa et al 2018] [da Silva Junior et al 2018] [Dai et al 2024] [Daines and Segal 1998] [Danehy et al 2003] [Daniau et al 2006] [Das et al 2015] [Das et al 2021] [Das et al 2025] [Glass et al] [Davis 1970] [Davis 1993] [Davis 1995] [De Corso and Coit 1953] [De Rosa et al 2026] [de Siqueira and Ribeiro 2023] [De Vault 1957] [DeBoskey et al 2026] [Deng and Kim 2017] [Deng et al 2017] [Denman] [Depiro] [Desbordes et al 1995] [Dessornes et al 2001] [Dharavath et al 2014] [Dharavath et al 2015] [Dharavath et al 2023] [Di Stefano et al 2018] [Di Stefano et al 2020] [Dickeson et al 2009] [Dimotakis and Leonard 1998] [Ding et al 2022] [Diskin et al 1987] [Do et al 2010] [Do et al 2011] [Do et al 2012] [Doherty] [Doherty] [Dolnik and Michaels 2025] [Domel and Thompson 1991] [Donbar 2012] [Donbar et al 2000] [Dong et al 2015] [Donohue 2013] [dos Santos et al 2025] [Doster et al 2007] [Dou et al 2024] [Draper 2004] [Drummond 1991] [Drummond 1992] [Drummond and Weidner 1981] [Drummond et al 2007] [Drummond et al 1989] [Drummond et al 2002] [Drummond et al 2006] [Du et al 2018] [Du et al 2025] [Dual-Mode Combustion Scramjet 2022] [Dudebout and Sislian 1994] [Dufour and Bouchez 2001] [Dugan 1969] [Dugger 1959] [Dutt 1980] [Dutta et al 2011] [Dynamic Testing of the 2011] [Ebrahimi et al 2007] [Edelman et al 1980] [Edwards et al 1975] [Edwards et al 2011] [Edwards 1988] [Effect of the Configuration 2017] [Effects of compression and 1993] [Eggers 2002] [Eggers and Novelli 1999] [Eggers et al 2001] [Eklund et al 2001] [El-Sayed 2016] [Elands et al 1991] [Elkowitz et al 2023] [Elliott et al 2019] [Emami et al 1995] [Emami et al 1995] [Emanuel 1989] [Engblom et al 2005] [Engblom et al 2012] [Engelund 2001] [Escher 2001] [Eugênio Ribeiro] [Falempin 1999] [Falempin and Serre 2003] [Falempin and Serre 2006] [Falempin et al 1992] [Falempin et al 2009] [Fan et al 2017] [Fan et al 2026] [Fang et al 2020] [Fathauer and Rogers 1993] [Faulkner 2003] [Faulkner and Weber 1999] [Feng et al 2023] [Ferguson et al 2011] [Ferguson et al 2016] [Ferguson et al 2022] [Ferlemann 2005] [Ferlemann et al 2005] [Ferlemann et al 2000] [Ferreira et al 1996] [Fischer and Olivier 2011] [Fischer and Rock 1995] [Fiévet et al 2015] [Flesberg et al 2018] [Fletcher 1967] [Flow establishment in a 1990] [Foelsche et al 2006] [Fontan Moura] [Foreman 1963] [Fort and Pratt 1990] [Fotia 2015] [Fotia and Driscoll 2012] [Fotia and Driscoll 2013] [Franciscus and Lezberg 1963] [Franciscus and Lezberg 1963] [Friedauer and Segal 1996] [Friedberg and Ahmed 1982] [Friedman et al 1953] [Frost] [Fu et al 2023] [Fu et al 2024] [Fujio and Ogawa 2021] [Fukuzawa et al 2025] [Fureby et al 2025] [Fureby et al 2025] [Förster et al 2016] [G.Balu et al 2005] [Gaede and Lopez 1967] [Gager and Schleter 1949] [Gallegos et al 2024] [Gallegos et al 2024] [Gamble et al 2008] [Gamble et al 2009] [Ganapuram et al 2014] [Gany 2006] [Gao et al 2012] [Gao et al 2020] [Gao et al 2020] [Gao et al 2020] [Gardner et al 2002] [Geerts and Yu 2012] [Geerts and Yu 2013] [Geerts and Yu 2015] [Geerts and Yu 2017] [Gehre] [Gehre et al 2015] [Geiger et al 2024] [Geiger et al 2026] [Genin and Menon 2004] [Gerbsch and Agarwal 1988] [Gernansky 1990] [Ghenai et al 2005] [Ghodke et al 2011] [Gidzak 2015] [Girimaji and Srinivasan 2009] [Glass et al 2013] [Glass et al 2014] [Glassman and Nosek 1971] [Glickstein and Powell 1987] [Gokulakrishnan et al 2006] [Goldfeld 2003] [Goodwin and Maxwell 2017] [Gopal and Wilson 2016] [Goss and Cook 1948] [Gounko and Shumskiy 2014] [Goyne et al 2006] [Goyne and McDaniel 2002] [Grady and Madzsar 1998] [Grady et al 2016] [Graham] [Grohens et al 2000] [Ground et al 2014] [Gruber et al 2004] [Gruenig and Mayinger 1999] [Gugulothu 2020] [Gugulothu and Nutakki 2019] [Guizzo 2004] [Ha et al 2018] [Hack] [Hagenmaier et al 1997] [Hagenmaier et al 2011] [Hagenmaier et al 2013] [Hahn et al 2026] [Hall and Poggie 2019] [Hallion et al 1995] [Hammack and Ombrello 2021] [Han et al 2027] [Hank et al 2008] [Hannemann et al 2015] [Hannemann et al 2017] [Hao et al 2014] [Hao et al 2016] [Harloff et al 1988] [Harris et al 2023] [Hartill 1977] [Hasen et al 2019] [Hass et al 2011] [Hass et al 2010] [He et al 2022] [He et al 2022] [He et al 2022] [He et al 2023] [He et al 2026] [Hegde et al 1987] [Heiser and Pratt 2005] [Heiser et al 1994] [Heitmeier and Bissinger 1995] [Heitmeir et al 1992] [Helgeson and Chinitz 1995] [Heller et al 1998] [Henry 1969] [Henry and Anderson 1973] [Heo and Sung 2017] [Herling et al 1985] [Hersh and Gerstein 1970] [Hexia et al 2014] [Hiraiwa et al 1995] [Hirschel et al 2025] [Hitch and Lynch 2009] [Hoeger et al 2010] [Hoeger et al 2011] [Hoegl and Duesterhaus 1988] [Hohn and Guelhan 2012] [Hohn and Gülhan 2011] [Hohn and Gülhan 2017] [Hohn and Gülhan 2022] [Hojnacki 1972] [Holland and Perkins 1991] [Holland and Perkins 1992] [Holland 1994] [Holland 1991] [Hong et al 2005] [Horisawa 2004] [Horisawa et al 2004] [Hornbeck 1975] [Hou et al 2020] [Houria et al 2026] [Hoying et al 1990] [Hsia et al 1989] [Hsieh et al 1997] [Hsu et al 2007] [Hu and Zhu 2017] [Hu et al 2013] [Hu et al 2014] [Hu et al 2014] [Hu et al 2015] [Hu et al 2018] [Hu et al 2022] [Hu et al 2026] [Huang and Chen 2021] [Huang and Xing 2005] [Huang and Yan 2016] [Huang et al 2002] [Huang et al 2010] [Huang et al 2011] [Huang et al 2017] [Huang et al 2020] [Huang et al 2021] [Huang et al 2024] [Huang et al 2025] [Huang et al 2025] [Huang et al 2026] [Huebner and Tatum 1991] [Hueter 1999] [Humphrey and Culick 1987] [Hunt] [Hunt and Hunt 2020] [Hunt and Hunt 2021] [Hunt et al 2019] [Hutt et al 2001] [Hutzel et al 2011] [Hutzel et al 2011] [Hyunwoo et al 2023] [Iannelli 2007] [Iannelli 2008] [Idris et al 2014] [Idris et al 2015] [Igra 2026] [Iida and Komai 1992] [Ikawa 1989] [Ikawa 1991] [Ilie and Sullivan 2021] [Ilie et al 2023] [Im and Do 2018] [Inamura et al 1996] [Influence of the rising 2023] [Ingenito 2015] [Ingenito 2021] [Ingenito 2021] [Ingenito 2021] [Ingenito 2021] [Ingenito 2021] [Instrumentation for Airbreathing Propulsion 1974] [Rasmussen and Soares 1989] [Introduction to Hypersonic Air-Breathing 2022] [Investigation of mixing characteristics 2023] [Ispir and Saracoglu 2019] [Ispir et al 2023] [Itoh 2007] [Itoh et al 2002] [Izard et al 2009] [Jackson et al 2015] [Jackson and Wang 1974] [Janarthanam and Babu 2012] [Jaskowiak 2004] [Jazra and Smart 2011] [Jazra et al 2013] [Jensen and Braendlein 1996] [Jensen et al 1972] [Jeong et al 2008] [Jeong et al 2008] [Jeong et al 2020] [Ji et al 2024] [Ji et al 2025] [Jian and Yude 2024] [Jianchen et al 2014] [Jiang et al 2010] [Jiang et al 2023] [Jiang et al 2025] [Jianqiang et al 2016] [Jiao et al 2018] [Jiao et al 2021] [Jin et al 2016] [Jin et al 2022] [Jin et al 2023] [Jing et al 2007] [Jingqi and Yulong 2024] [Jo et al 2024] [Jo et al 2025] [Jo et al 2026] [Johnson et al 2022] [Jones and Huber 1978] [Juluru Sandeep and Avss Kumara Swami Gupta 2023] [Sathiyamoorthy et al 2020] [Kadosh and Natan 2020] [Kai-li and Kun-yuan 2011] [Kailasanath et al 1986] [Kalra et al 2018] [Kamath et al 1991] [Kamath and McClinton 1992] [Kamath et al 1991] [Kanapathipillai and Yu 2024] [Kanapathipillai et al 2020] [Kanda 1998] [Kanda 1998] [Kanda 2000] [Kanda et al 1993] [Kanda et al 2001] [Kanda et al 2003] [Kandula and Kummitha 2025] [Kannaiyan 2020] [Karanian and Kepler 1965] [Kato and Im 2019] [Kato et al 2006] [Kay et al 1990] [Kay 1989] [Kazmar 2005] [Keanini et al 1989] [Kellenberger and Ciccarelli 2015] [Kenworthy 1967] [Kepler and Champagne 1989] [Keshmiri et al 2006] [Khan et al 2018] [Killackey et al 1978] [Killackey et al 1980] [Killough et al 1983] [Kim and Menon 1999] [Kim et al 2004] [Kim et al 2010] [Kim et al 2020] [Kim et al 2025] [Kim et al 2025] [Kimmerly] [Kireeti et al 2022] [Kirkby 1964] [Kishida 2006] [Klineberg 1989] [Kobayashi et al 2001] [Kobayashi et al 2003] [Kobayashi et al 2007] [Kodera et al 2005] [Kodera et al 2007] [Kong et al 2020] [Kong et al 2021] [Koschel 1996] [Kramer and Buhler 1980] [Krawczyk et al 1986] [Kubo et al 2014] [Kumar 1992] [Kumar and Ghosh 2024] [Kumar et al 2022] [Kumar et al 2023] [Kumar Gugulothu et al 2020] [Kumar et al 2001] [Kumm and Bitondo 1953] [Kummitha 2022] [Kummitha 2022] [Kummitha 2024] [Kummitha and Kandula 2026] [Kummitha and Pandey 2020] [Kummitha and Pandey 2021] [Kummitha et al 2017] [Kurtz et al 2015] [Kydd and Mullaney 1961] [La Sorsa et al 2025] [Ladeinde 2019] [Ladeinde 2020] [Ladeinde 2020] [Landau and Yeneriz 1965] [Landrum and Tournes 2002] [Landsberg et al 2016] [Landsberg et al 2020] [Landsberg et al 2021] [Landsberg et al 2022] [Andrews et al 1985] [Laurence et al 2015] [Law 2004] [Le et al 2005] [Le et al 2006] [Leckie] [Lederer et al 1991] [Lee 1995] [Lee 2006] [Lee 2006] [Lee 2012] [Lee and Kang 2019] [Lee and Ombrello 2024] [Lee et al 2000] [Lee et al 2001] [Lee et al 2013] [Lee et al 2021] [Lee et al 2022] [Lee et al 2026] [Lei et al 2023] [Leingang and Stull 1992] [Leng et al 2024] [Leonov et al 2009] [Leonov et al 2011] [Leonov et al 2018] [Li 2022] [Li 2022] [Li and Wang 2017] [Li et al 2004] [Li et al 2007] [Li et al 2017] [Li et al 2017] [Li et al 2017] [Li et al 2017] [Li et al 2018] [Li et al 2018] [Li et al 2019] [Li et al 2019] [Li et al 2019] [Li et al 2020] [Li et al 2020] [Li et al 2021] [Li et al 2021] [Li et al 2022] [Li et al 2022] [Li et al 2023] [Li et al 2023] [Li et al 2023] [Li et al 2023] [Li et al 2023] [Li et al 2024] [Li et al 2024] [Li et al 2025] [Li et al 2025] [Li et al 2025] [Li et al 2026] [Li et al 2026] [Li et al 2026] [Li et al 2026] [Li et al 2026] [Liang et al 2013] [Liang et al 2022] [Liang et al 2024] [Lim et al 2025] [Limage 1996] [Lin et al 1991] [Lin et al 2006] [Lin et al 2007] [Lin et al 2026] [Lin et al 2026] [Lindsey and McMullan 2006] [Lino et al 2024] [Litchford et al 2000] [Liu 2014] [Liu and Brown 2012] [Liu and Fang 2024] [Liu and Yao 2021] [Liu et al 2005] [Liu et al 2007] [Liu et al 2016] [Liu et al 2017] [Liu et al 2019] [Liu et al 2019] [Liu et al 2022] [Liu et al 2022] [Liu et al 2022] [Liu et al 2023] [Liu et al 2023] [Liu et al 2023] [Liu et al 2024] [Liu et al 2024] [Liu et al 2025] [Liu et al 2026] [Liu et al 2026] [Liu et al 2026] [Lloyd 1959] [Longwell and Weiss 1952] [Lonkar and Panda 2026] [Edelman] [Lu et al 2012] [Lu et al 2016] [Lu et al 2025] [Lubarsky and Levy 1998] [Lucquin and Antonik 1972] [Luo 1999] [Luo and Bray 1998] [Luo et al 2003] [Luo et al 2022] [Luo et al 2025] [Luo et al 2026] [Lv et al 2026] [Lynch 1968] [Ma et al 2021] [Macheret et al 2001] [Mack et al 2009] [Madden and Solomon 1993] [Madhumitha and Karmakar 2024] [Mahato et al 2023] [Makhija et al 2026] [Malsur Dharavath et al 2023] [Mane et al 2026] [Manna et al 2023] [Marley and Driscoll 2018] [Marsh and Sears 1954] [Mashio et al 2001] [Massa and Pace 2025] [Mathur et al 2001] [Maxwell and Goodwin 2017] [Mbagwu et al 2018] [McClinton 1976] [McClinton et al 1996] [McDaniel 2005] [McDaniel 1998] [McDonald 2025] [McDonald et al 2017] [McRae and Edwards 2001] [McTaggart 1973] [Measurement Techniques for Supersonic 1974] [Meng et al 2020] [Meng et al 2022] [Meng et al 2024] [Menon 1989] [Menon 1990] [Menon 1991] [Menon 1992] [Menon and Jou 1990] [Menon et al 2003] [Mermagen and Yalamanchili 1983] [Meshcheryakov and Yashina 2015] [Miao et al 2020] [Michalski et al 2018] [Micka and Driscoll 2008] [Micka and Driscoll 2009] [Miller et al 1956] [Milligan et al 2009] [Min et al 2009] [Minard and Falempin 2008] [Mirmirani et al 2009] [Mitani 1995] [Mitani 1996] [Mitani and Izumikawa 2000] [Mitani and Kouchi 2005] [Mitani et al 2003] [Mixing and Mixing Enhancement 1991] [Miyajima et al 1992] [Miyashita et al 2025] [Mohamadi and Tahsini 2023] [Mohieldin and Carson 2003] [Mohieldin et al 2001] [Mohieldin et al 2004] [Molvik et al 1992] [Molvik et al 1993] [Molvik et al 1993] [Montes et al 2005] [Moon and Sung 2015] [Morgan and Stalker 1985] [Morgan and Zander 2009] [Morgan et al 2012] [Morgan et al 2014] [Morgan and Casey 1991] [Morgenthaler 1967] [Moses et al 1999] [Ferreira de Moura and Borges Ribeiro 2025] [Mueller et al 1977] [Muhammad Haseeb 2025] [Mungal 1998] [Mura and Sabelnikov 2021] [Murty and Chakraborty 2011] [Musa et al 2018] [Musa et al 2024] [Nagamatsu 1989] [Nagarajan Kirupakaran et al 2023] [Nagendra Babu et al 2018] [Nair et al 2020] [Nair et al 2022] [Nair et al 2023] [Nakagawa and Kuwahara 1992] [Nakaya et al 2015] [Nakayama et al 2018] [Narayan 1994] [Natan 1987] [Natan and Gany 1989] [Nayal et al 2020] [Hass and Cabell] [Ngo] [Ngoc Long 2016] [Nguyen et al 2011] [Nguyen et al 2024] [Nie et al 2019] [Nikaido and Hobson 2025] [Ning 1981] [Nishiguchi et al 2025] [Niu and Chen 2024] [Niu and Chen 2025] [Niu and Piao 2016] [niu and wang 2023] [Nordin-Bates and Fureby 2015] [Nordin-Bates et al 2017] [Norimatsu et al 2026] [Norimatsu et al 2026] [Northam and Anderson 1986] [Northam et al 1988] [Northam 1985] [Novelli and Koschel 2001] [Numerical Simulation on Hypersonic 2015] [Nusca 1989] [O’Byrne et al 2005] [O’Byrne et al 2011] [O’Neill and Lewis 1992] [O’Neill and Lewis 1993] [Oamjee and Sadanandan 2020] [Oamjee and Sadanandan 2020] [Oehlschlaeger 2010] [Ogawa and Boyce 2013] [Ogawa et al 2009] [Ogg and Schetz 1979] [Ogg and Schetz 1980] [Olivon et al 2024] [Olivon et al 2026] [Ombrello et al 2015] [Osgerby et al 1969] [Osgerby et al 1969] [Ou et al 2024] [Ou-zi and Jin-sheng 2011] [Ouzts 2008] [Ouzts et al 1992] [Oveissi et al 2024] [Pace and Massa 2022] [Pagan et al 2001] [Pagel and Warmbold 1968] [Pandey and Sivasakthivel 2011] [Pandey and Sivasakthivel 2011] [Papinczak] [Park et al 2000] [Parmar et al 2026] [Parsons and Richmond 1969] [Pasha et al 2012] [Paull 1999] [Paull et al 1995] [Paull et al 1995] [Pei and Hou 2014] [Pein and Vinnemeier 1989] [Pellett et al 2002] [Peng et al 2026] [Perchonok 1960] [Performance analysis of hydrocarbon-fueled 1999] [Peri et al 2024] [Peterson 2019] [Peterson and Hassan 2017] [Peterson and Hassan 2018] [Petha Sethuraman et al 2020] [Petha Sethuraman et al 2023] [Pettinari et al 2012] [Pezzella et al 2014] [Pichler 2023] [Pinheiro Maia et al 2020] [Piscopo et al 2024] [Pitman] [Pope 1982] [Pope 1984] [Potapkin and Moskvichev 2008] [Potturi and Edwards 2013] [Powers et al 1986] [Prakash et al 2024] [Pratt and Heiser 1993] [Prokesch et al 2024] [Pu and Yuan 2026] [Pu et al 2017] [Pulsonetti] [Qi et al 1998] [Qi et al 2015] [Qin et al 2012] [Qin et al 2015] [Qin et al 2019] [Qiu et al 2021] [Quan et al 2024] [Quinlan] [Quinlan et al 2014] [Quinn 1978] [Guy 1990] [Guy et al 1996] [Rabadan and Weigand 2013] [Rabadan Santana and Weigand 2012] [Rajamanohar and Kurian 1996] [Ram and Kim 2019] [Ramakrishnan and Singh 1993] [Ramanujachari 2022] [Ramaty et al 1982] [Ramjet supersonic “flight tests” 1958] [Rana et al 2011] [Rana et al 2013] [Rasmussen et al 2005] [Rasmussen et al 2007] [Ravindran et al 2019] [Razzaqi and Smart 2009] [Reddecliff and Weber 1998] [Relangi et al 2021] [Relangi et al 2023] [Reynolds 1977] [Ricciardi 1991] [Rice] [Rich and Mellor 1995] [Rigamonti et al 2026] [Rigamonti et al 2026] [Riggins 2004] [Riggins et al 1992] [Riggins et al 2006] [Riis et al 2024] [Riley et al 2015] [Riley et al 2016] [Riley et al 2017] [Risha 2000] [Roby et al 2003] [Rocci Denis et al 2003] [Rockwell et al 2010] [Rockwell et al 2023] [Rodi 2012] [Rodriguez et al 2000] [Rodríguez Fuentes and Parent 2022] [Roga 2019] [Roga 2019] [Roga 2023] [Rogers et al 1998] [Rogg et al 2020] [Roos et al 2020] [Rotating detonation combustion of 2023] [Roudakov et al 1996] [Roudakov et al 1998] [Roundy 1979] [Rowan] [Rowan and Paull 2005] [Ruan] [Ruan et al 2020] [Rubins and Rhode 1963] [Ruf et al 1999] [Ruf et al 2001] [Russin 1975] [Sabelnikov and Vlasenko 2017] [Sacher and Zellner 1995] [Sachs et al 1991] [Sachs et al 1996] [Sahut et al 2024] [Said and Gupta 2016] [Saito et al 2004] [Saito et al 2005] [Salloum et al 2018] [San Martin et al 2025] [Sanaka et al 2023] [Sandeep 2023] [Santos and Borges Ribeiro 2025] [Sargent and Bielawski 1970] [Sarosh 2021] [Sarout and Paramasivam 2020] [Sarout et al 2020] [Sathiyamoorthy et al 2018] [Sato et al 1997] [Sato et al 2019] [Savelkin et al 2015] [Savino and Pezzella 2003] [Schaber et al 1991] [Schetz et al 1980] [Schetz et al 1982] [Schindel 1989] [Schindel 1999] [Schneider and Reed 2003] [Schneider et al] [Schneider et al 2003] [Schunk and Chung 2000] [Scotti et al 1988] [Scramjet Combustion 2022] [Scramjet Combustor 2022] [Scramjet Engine Research athe 2001] [Scramjet Inlet/Forebody and Isolator 2022] [Seckin and Yuceil 2013] [Segal 2009] [Segal 2010] [Segal 2010] [Segal and Thakur 2005] [Segal et al 1997] [Segal et al 1991] [Seibert and Nieh 2012] [Sekar and Vaidyanathan 2025] [Sekar et al 1990] [Semenov et al 1998] [Serre and Falempin 2001] [Seshadri 2008] [Sforza 2017] [Sforza 2017] [Sforza 2017] [Sforza 2017] [Shajahan et al 2025] [Shang 2008] [Shaohua and Xu 2017] [Sharma et al 2022] [Shen et al 2020] [Shen et al 2021] [Shetty et al 2025] [Shi 2016] [Shi et al 2017] [Shi et al 2017] [Shikman et al 2001] [Shneider and Macheret 2004] [Shock tunnel and numerical 2012] [Shubhankar Bhakta et al. 2018] [Sicard et al 2006] [Siebenhaar and Bogar 2006] [Siebenhaar et al 1999] [Simone and Bruno 2009] [Simone and Bruno 2010] [Simsont et al 2012] [Singh and Rajagopal 2026] [Singh et al 1990] [Singh et al 2018] [Singh et al 2023] [Singh et al 2025] [Siqueira et al 2019] [Sislian et al 2000] [Sitaraman et al 2021] [Situ et al 1999] [Situ et al 2001] [Situ et al 2002] [Slutsky et al 1969] [Smart et al 2006] [Smart and Ruf 2006] [Smayda] [Smayda and Goyne 2011] [Smeets and Quenett 1997] [Smith and Farokhi 2015] [Smith and Farokhi 2015] [Smith and Farokhi 2015] [Smith and Farokhi 2018] [Smith and Good 1979] [Son et al 2024] [Son et al 2024] [Song et al 2006] [Song et al 2019] [Song et al 2026] [Song et al 2026] [Soni and De 2017] [Sridharan and Rodriguez 2013] [Srikant et al 2010] [Stalker and Morgan 1984] [Stalker et al 1988] [Stalker et al 1994] [Starikovskiy et al 2024] [Starkey 2009] [Starkey 2014] [Starkey and Lewis 1999] [Starkey and Lewis 2000] [Steele et al 1987] [Stefaniya et al 2025] [Steva] [Stewart and Quigg 1963] [Stokes and Acharya 2023] [Stokes et al 2023] [Stoukov et al 1997] [Strauss et al 2025] [Strauss et al 2026] [Street] [Streiff 1953] [Strutjet Rocket-Based Combined-Cycle Engine 2001] [Stull et al 1974] [Su et al 2018] [Subbiah and Stefaniya 2025] [Subramanian et al 2025] [Suetin and Kartsev 1993] [Sullins 1993] [Sullins et al 1991] [Sullivan and Gaitonde 2022] [Summors] [Sun 2008] [Sun et al 2008] [Sun et al 2016] [Sun et al 2020] [Sun et al 2020] [Sun et al 2020] [Sun et al 2020] [Sun et al 2021] [Sun et al 2023] [Suneetha et al 2019] [Sung et al 2001] [Sung et al 2001] [Sung et al 2025] [Sung et al 2026] [Supersonic Combustion Flowfield Studies 1977] [Supersonic Combustion Processes 2009] [Surzhikov et al 2013] [Sushma et al 2025] [Swain et al 2020] [Swithebank and Chigier 1969] [Swithenbank and Jaques 1970] [Swithenbank et al 1992] [Sykes] [Koeplinger et al] [Taha et al 2001] [Takahashi et al 1998] [Takahashi et al 2005] [Takahashi et al 2007] [Takegoshi et al 2012] [Talantov 1959] [Tam et al 2005] [Tam et al 2006] [Tam et al 2007] [Tam et al 2008] [Tam et al 2008] [Tam et al 2011] [Tam et al 2012] [Tan and Wang 2015] [Tanatsugu and Carrick 2003] [Tani et al 2000] [Tanno and Tanno 2021] [Tao 1995] [Tao et al 2008] [Tarnavskii 2005] [Tatman] [Teng et al 2017] [Tetlow and Doolan] [Thakur and Segal 2003] [Thakur and Segal 2004] [Thakur and Segal 2006] [The Theoretical Study of 2012] [Curran and Craig 1973] [Thomas and Guy 1982] [Thomas et al 1987] [Thomas et al 1997] [Tian et al 2016] [Tian et al 2026] [Tian et al 2026] [Tietz et al 2006] [Timnat 1987] [Tirtey and Boyce 2009] [Tishkoff et al 1997] [Tiwari et al 2001] [Tiwari et al 2002] [Drozda] [Tomczak 2026] [Tomioka et al 1998] [Tomioka et al 2007] [Tomioka et al 2007] [Tomioka et al 2016] [Tomioka et al 2018] [Toong 1978] [Torrez et al 2010] [Torrez et al 2011] [Trefny and Dippold 2010] [Trefny and Dippold 2013] [Trefny and Dippold 2017] [Trefny et al 2017] [Tretyakov et al 2021] [Trexler 1988] [Trexler 1974] [Tsuei and Merkle 1995] [Tsujikawa 1996] [Tunik 2020] [Tunik and Mayorov 2022] [Tunik and Mayorov 2022] [Tunik et al 2022] [Turbulent Mixing in Supersonic 1991] [Holland 1994] [Tyll et al 2000] [Ueda et al 2006] [Ueda et al 2009] [Ullman and Raman 2023] [Unterberg 1957] [Valdivia et al 2014] [Van Camp and Williams 1974] [Van den Borre et al 2023] [Van Der Geld et al 1990] [Van der lee et al 2021] [van der Lee et al 2023] [van der Lee et al 2026] [van der Lee et al 2026] [Van Wie 1992] [Vanamamalai and Panneerselvam 2024] [Vander Schaaf et al 2025] [Vanstone et al 2017] [Vanstone et al 2018] [Vanstone et al 2018] [Vanyai et al 2018] [Vanyai et al 2021] [Varshney and Baig 2019] [Varshney et al 2020] [Venkatapathy et al 1995] [Venkateshwaran and Padmanathan 2026] [Venkateswarlu et al 2025] [Verma 2010] [Verma and Shukla 2021] [Verma et al 2019] [Verma et al 2021] [Verma et al 2021] [Verma et al 2022] [Verma et al 2022] [Vijayakumar 2020] [Vijayakumar et al 2014] [Vincent-Randonnier et al 2008] [Vinogradov et al 1990] [Voland 1990] [Voland et al 1999] [von Lavante et al 2000] [Wagner et al 2008] [Wagner et al 2009] [Wagner et al 2010] [Waidmann et al 2024] [Walker 1949] [Walker 1952] [Walker et al 2006] [Walton 1991] [Walton 1992] [Waltrup and Billig 1972] [Waltrup et al 1980] [Waltrup et al 1996] [Wander 1992] [Wang and Le 2000] [Wang et al 2005] [Wang et al 2013] [Wang et al 2013] [Wang et al 2013] [Wang et al 2013] [Wang et al 2013] [Wang et al 2016] [Wang et al 2017] [Wang et al 2018] [Wang et al 2021] [Wang et al 2021] [Wang et al 2022] [Wang et al 2023] [Wang et al 2023] [Wang et al 2023] [Wang et al 2023] [Wang et al 2024] [Wang et al 2024] [Wang et al 2024] [Wang et al 2024] [Wang et al 2025] [Wang et al 2025] [Wang et al 2025] [Wang et al 2025] [Wang et al 2025] [Wang et al 2025] [Wang et al 2025] [Wang et al 2026] [Wang et al 2026] [Ward and Hewitt 1988] [Waves and Thermodynamics in 1991] [Weeratunga and Menon 1993] [Wei et al 2024] [Weidner et al 1976] [Weissman 1990] [Wendel and Gaitonde 2026] [Wendel et al 2025] [Wendt] [Whitehurst et al 1992] [Whitney 1963] [Whitside] [Wieting 1990] [Wieting and Guy 1976] [Wieting and Guy 1975] [Willard et al 2009] [Williams 1981] [Wise] [Wolf et al 1951] [Wu and Wei 2022] [Wu and Wei 2023] [Wu et al 2013] [Wu et al 2021] [Wu et al 2023] [Wu et al 2026] [Wu et al 2026] [Xi et al 2026] [Xia et al 2025] [Xia et al 2026] [Xianyu et al 2007] [Xianyu et al 2007] [Xiao et al 2026] [Xie et al 2016] [Xing et al 2017] [Xiong et al 2017] [Xiong et al 2021] [Xiong et al 2022] [Xu et al 2018] [Xu et al 2021] [Xu et al 2023] [Xue et al 2017] [Yan et al 2014] [Yan et al 2014] [Yan et al 2014] [Yan et al 2016] [Yan et al 2022] [Yan et al 2022] [Yan et al 2024] [Yan et al 2025] [Yan et al 2025] [yang and culick 1986] [Yang and Yuh-Yih Wu 1994] [Yang et al 2014] [Yang et al 2014] [Yang et al 2014] [Yang et al 2016] [Yang et al 2017] [Yang et al 2017] [Yang et al 2020] [Yang et al 2026] [Yao et al 2025] [Yarantsev et al 2019] [Yatsuyanagi 2009] [Yentsch and Gaitonde 2013] [Yentsch and Gaitonde 2014] [Yip et al 1990] [Yonggang et al 2019] [You et al 2013] [Young et al 2006] [Yu and Schadow 1994] [Yu et al 1999] [Yu et al 2002] [Yu et al 2005] [Yu et al 2015] [Yu et al 2022] [Yuan et al 2026] [Yun et al 2022] [Yun et al 2026] [Yungster et al 2014] [Zander] [Zarlingo 1988] [Zelina et al 2007] [Zelinski et al 1960] [Zeng et al 2026] [Zettervall and Fureby 2018] [Zhang et al 2014] [Zhang et al 2015] [Zhang et al 2016] [Zhang et al 2016] [Zhang et al 2017] [Zhang et al 2019] [Zhang et al 2021] [Zhang et al 2023] [Zhang et al 2025] [Zhang et al 2025] [Zhang et al 2026] [Zhao 2023] [Zhao et al 2018] [Zhao et al 2019] [Zhao et al 2023] [Zhao et al 2026] [Zhapbasbaev and Makashev 2003] [Zheng and Bray 1994] [Zheng and Bray 1997] [Zhou et al 2017] [Zhou et al 2023] [Zhou et al 2025] [Zhou et al 2026] [Zhu and Xu 2017] [Zhu et al 2025] [Zhu et al 2025] [Zinnecker et al 2012] [Zou et al 2026] [Zou et al 2026] [Zucro 1950]

This literature is large and was never the limiting item on any X-51A flight, which is the article’s argument stated as a shelf of paper. 191 of these titles name an isolator, a shock train or a pseudo-shock, the device whose length is the margin against the engine unstarting itself.

Heat as a load rather than a rate, and where it goes

The article’s argument lives here. Aerodynamic heating, heat flux, stagnation-point heating, thermal protection, ablation, active cooling and the thermal response of hot structures.

430 records. [Achambath et al 2019] [Acheson and Rothnie 2009] [Smith and Beuyukian 1979] [Caldwell et al] [Adams and John C. 1970] [Aerodynamic Heating to the 1979] [Aerothermodynamics A Tutorial Discussion 1992] [Aerothermodynamics Research in the 2002] [Agarwal 2011] [Agrawal et al 2012] [Albano et al 2013] [Alexander 1970] [Anthony and Halenbrook 1981] [Anthony and Helenbrook 1972] [Anthony et al 1975] [Appar and Kumar 2021] [Aprovitola et al 2019] [Ardema 1995] [Aronov and Klyagin 2021] [Aso et al 1993] [Aso et al 2002] [Assessment of Key Aerothermal 1992] [Atay et al 2026] [Auxer 1968] [Avery 1981] [Gorshkov 2011] [Bano et al 2026] [Bano et al 2026] [Barone et al 2022] [Beck 1984] [Bein et al 1993] [Beitel 1991] [Bettis and Hosder 2010] [Bilchenko 2015] [Blosser 1982] [Blosser 1987] [Blosser and McWithey 1983] [Blosser 1988] [Bolender and Doman 2006] [Bowles et al 1998] [Brociek et al 2023] [Bessire] [Brooke 1957] [Brune et al 2016] [Brunner 1959] [Burchfield and Bontrager 1966] [Burt and Reynolds 1968] [Camarda 1982] [Candler et al 2015] [Carman 1966] [Chang 1966] [Chang et al 2022] [Chapter 1 Asymptotically Simplified 2013] [Chapter 10 Numerical Modeling 2013] [Chapter 13 Numerical Modeling 2013] [Chapter 6 Modeling of 2013] [Chapter 8 Numerical Study 2013] [Chauvin et al 1968] [Chen 1958] [Chen and He 2025] [Chen and Henline 1993] [Chen and Milos 1996] [Chen et al 2014] [Chen et al 2015] [Chen et al 2016] [Cheung et al 1974] [Choi and Gamba 2026] [Chou and Smith 1974] [Chun 1991] [Clarke 2008] [Cohen 2011] [Collins et al 2005] [Comstock] [Cook] [Couch and Wieting 1979] [Cristiano Paulino Pereira et al 2021] [Cuda and Hass 2010] [Culler and McNamara 2011] [Culler et al 2007] [Dai et al 2023] [Dajun et al 2006] [Darabseh et al 2008] [Daryabeigi et al 2006] [Glass] [Glass] [Glass] [Dec and Mitcheltree 2002] [Dechaumphai et al 1989] [Deng et al 2016] [Ellis et al 1978] [Design Considerations for a 1963] [Deveikis et al 1975] [Di Clemente et al 2009] [Dicristina 1979] [Ding et al 2020] [Dodd 1980] [Dolan 1970] [Douglas and Bhushan 2025] [Du et al 2017] [Duston et al 2004] [Eagle and Ross 1955] [Economos 1962] [Effects of Atmospheric Structure 1979] [Rieken et al 2020] [Farmakovsky et al 2005] [Fatemi and Lemmen 2006] [Feldman et al 2019] [Feng et al 2014] [Filipkovskyi 2026] [Finkler and Weiser 1994] [Flanagan 1993] [Florence 1979] [Forsythe et al 1961] [Frisch and Giedt 1965] [Frisch and Giedt 1965] [Fujii and Inoue 1998] [Fujii et al 2000] [Gally and Campbell 2002] [Gao et al 2021] [Gao et al 2021] [Gao et al 2024] [Gao et al 2026] [Geng et al 2017] [Gibbons et al 2021] [Gladden and Melis 1994] [Gladden et al 1990] [Glass 2018] [Gnoffo 2007] [Gnoffo 2001] [Gong Weijie and Tang Shuo 2010] [Gonzalez et al 2025] [Gopinath et al 2015] [Graphite Materials Ablation Performance 1980] [Griffith and Lewis 1963] [Grine et al 2007] [Gros 1963] [Gudimella et al 2018] [Gusev 1990] [Han and Han 2024] [Han et al 2020] [Hanai et al 2007] [Hannah and Muessig 1970] [Hanquist and Boyd 2018] [Harloff and Petrie 1987] [Harri 1964] [Hayashi and Aso 1988] [He et al 2026] [Vanmol and Anderson 1992] [Helenbrook et al 1971] [Koch and Pagel 1978] [Hirschel and Weiland 2009] [Hirschel and Weiland 2009] [Holifield and Tufts 2024] [Hongpeng and Weiqiang 2016] [Hongpeng and Zhenguo 2021] [Hossain 2025] [Hoter et al 2026] [Hristov 2021] [Huang et al 2025] [Huang et al 2025] [Hypersonic Materials for Thermal 2023] [Ibrahim 1967] [Ikenson 2025] [Inger 1991] [Inger 1995] [Inger 1995] [Inokuma et al 2025] [Jackson and Anderson 1967] [Jagadeesh et al 1998] [Feldman] [Ji 2017] [Jing et al 2026] [Jo 2026] [Thornton et al] [Johnson 1967] [Johnson and Conley 2015] [Johnston 1969] [Jones et al 1975] [Kai and Ohtake 1996] [Kamezawa and Ruffin 2018] [Kanderpalli et al 2014] [Karimi and Oboodi 2018] [Kaufman 1963] [Kaufman and Louis G. 1964] [Khrapko 2018] [Kim 2017] [Kkn and Reddy 2016] [Klock and Cesnik 2016] [Knight et al 2026] [Ko 1997] [Kobayashi 1984] [Kojima et al 2012] [Kontinos 1996] [Kopp and Garbers 2014] [Kostyk and Risch 2013] [Kourtides et al 1988] [Kubota and Uchida 1999] [Kumar and Mahulikar 2017] [Kundu 2013] [Kuo 1976] [Lambert] [Lambert and Coughlin 1967] [Lane and Kirlin 1978] [Leadon and Scott 1956] [Lee et al 2015] [Lee et al 2026] [Leontiev et al 2000] [Li and Han 2025] [Li and Zhao 2014] [Li and Zhu 2012] [Li et al 2017] [Li et al 2024] [Liu and Cao 2017] [Liu and Jiang 2013] [Liu et al 2002] [Liu et al 2010] [Liu et al 2018] [Liu et al 2023] [Liu et al 2025] [Lu and Liu 2012] [Lu et al 2016] [Lu et al 2025] [Luce 1949] [M. A. Al-Nimr 2000] [Ma et al 2022] [Mahlmeister et al 1955] [Mahulikar et al 2008] [Manor et al 2002] [Maples 1979] [Mar and Engel 1954] [Marley and Driscoll 2017] [Marley and Driscoll 2022] [Marston 1965] [Massa 2022] [Matheny and Smith 2026] [Matsunaga et al 2017] [Matthews 1993] [Matula 1965] [Maxwell and Hoang 2016] [Meckler 1964] [Mehta et al 2025] [Menssen 2026] [Meyer 1938] [Mifsud et al 2012] [Miyashita et al 2025] [Molina et al 1996] [Mooij 2023] [Mori 1965] [Mori et al 2012] [Morozkin 2026] [Moyer and Wool 1970] [Mudaliar et al 2022] [Musielak and Musielak 1997] [Najafiyazdi 2005] [Najafiyazdi 2005] [Nardo and Sadler 1962] [Naveira et al 2007] [Negaard 1979] [Nestler 1970] [Neumann 1993] [Neumann et al 1978] [Nguyen and Massa 2023] [Nguyen and Massa 2024] [Nie and Liu 2013] [Noda 1988] [Ognjanovic et al 2017] [Oliveira Júnior et al 2021] [Ootao and Ishihara 2013] [Ootao and Tanigawa 2005] [Ota and Chapman 1983] [Ota and Chapman 1984] [Ozawa et al 2008] [Parihar and Patil 2011] [Parkes 1956] [Parton 2018] [Pasiuk 1963] [Persh 1955] [Persova et al 2017] [Petley and Dziedzic 1993] [Pionessa and Kinzel 2024] [Pollock et al 2023] [Porro and Hingst 1993] [Poudel and Shoele 2026] [Qiao et al 2024] [Qiu et al 2017] [Qu et al 2019] [Quinn and Gong 1990] [Radiative Heat Transfer In 2018] [Rafla 2019] [Rand 1963] [Rasky et al 1998] [Ravichandran et al 2023] [Reba 1964] [Reba and Christian 1963] [Reimer et al 2023] [Research Progress in Active 2026] [Rhisat and Molki 2024] [Riabov 1994] [Richards 1978] [Riley and Dejarnette 1992] [Rivello 1965] [Rizk 1993] [Roland et al 1966] [Rong 2017] [Rong et al 2016] [Rosner and Cibrian 1974] [Sabry and Hussin 2026] [Sai Naga Bharghava et al 2024] [Sandborn and Heron 1963] [Santos and Lewis 2003] [Santos et al 2020] [Savino et al 2004] [Scala 1962] [Scala and Nolan 1960] [Schettino and Borrelli 1998] [Schiavazzi and Juliano 2020] [Schoeler 1978] [Schoeler 1987] [Schwanekamp 2014] [Scigliano et al 2020] [Berry and Scott 2023] [Shang 2009] [Shang and Surzhikov 2011] [Shanmugam and Sun Park 2024] [Sheldon 1967] [Sheng et al 2021] [Shevelev 2018] [Shi et al 2015] [Shi et al 2021] [Shih et al 1988] [Si et al 2019] [Silverstein 1971] [Simmons and Meritt 2022] [Smith 1967] [Smith 2021] [Smith and Baxter] [Stanley et al 2000] [Sternberg 1963] [Stevens 2014] [Strawn and Kobayashi 1984] [Sturek et al 1983] [Sturek et al 1983] [Sun and Zhu 2019] [Sun et al 2020] [Sun et al 2023] [Sun Jian and Liu Wei-Qiang 2014] [Sundén and Fu 2017] [Surzhikov 2013] [Sutton et al 1995] [Suzuki and Watanabe 2013] [Taguchi and Kashitani 2025] [Takahashi et al 2013] [Talcott and Hunt 1977] [Tanigawa 1999] [Tanigawa et al 1996] [Tatsuta et al 2025] [Taylor and Jackson 1977] [Techniques for Hot Structures 1992] [Thielman 1995] [Thivet and Pélissier 2003] [Thomas et al 1985] [Thomas et al 2022] [Thornton et al 1989] [Thornton and Dechaumphai 1987] [Tian et al 2023] [Tile-Gap Flow in the 1983] [Tirskii 1993] [Tirsky 1993] [Tobe and Grandhi 2013] [Tobin and Dec 2015] [Tong and Giedt 1963] [Tong et al 2022] [Tong et al 2024] [Trimmer 1968] [Truitt 1968] [Türkoğlu et al 2026] [Upper Atmosphere Re-Entry Study 1961] [Utyuzhnikov and Tirskiy 2013] [Vahl and Edwards 1978] [van der Heide et al 2025] [Varghese et al 2018] [Veraar 2009] [Vidal 1974] [Vijayakumar et al 2020] [Viscous Flow Basic Aspects 2006] [Viscous Flow Basic Aspects 2019] [Walker 1955] [Wang and Luo 2022] [Wang and Zhang 2025] [Wang et al 2017] [Wang et al 2017] [Wang et al 2022] [Wang et al 2024] [Wassel et al 1984] [Way et al 2024] [Weilmuenster et al 1996] [Welsh et al 1963] [Wieting 1989] [Williams et al 2006] [Williams et al 2026] [Wimberly and Keng 1978] [Wittliff and Wilson 1961] [Wiśniewski 2014] [Wurster 1981] [Xie et al 2020] [Xu and Fang 2022] [Yakimov 2018] [Yakimov 2018] [Yakimov 2018] [Yakubayev et al 2026] [Yang and Liu 2017] [Yang et al 2014] [Yang et al 2024] [Yao et al 2023] [Yu et al 2025] [Yu et al 2025] [Yumusak and Eyi 2013] [Zapp and Bermejo-Moreno 2026] [Zhang et al 2012] [Zhang et al 2026] [Zhao 2011] [Zhao 2021] [Zhao et al 2009] [Zhou et al 2022] [Zhu and Yin 2026] [Zhu et al 2016] [Zhu and Miller 1990] [Zien and Ragsdale 1979] [Zuchowski 2013] [Ösün et al 2026]

A heat flux is a rate and a heat load is its integral, and a vehicle that flies nineteen times longer than its predecessor at under a seventh of the heating rate still absorbs more than two and a half times as much heat.

Inlets, starting and the unstart that ended a flight

The second flight is in this cluster. Inlet starting, contraction ratio limits, the Kantrowitz criterion, mass capture, buzz and unstart.

407 records. [Abedi et al 2020] [Adams et al 1984] [Agarwal and Deb 2001] [Agnone 1987] [Albertson et al 2006] [Ananthapadmanaban and Murganandam 2016] [Anderson 2014] [Automatic Detection and Suppression 1974] [Babinsky 2014] [Bachchan and Hillier 2004] [Bahuguna et al 2023] [Balent and Kutschenreuter 1964] [Ball et al 1981] [Bao et al 2010] [Barber et al 2006] [Baye-Wallace and Krouse 2022] [Bencze and Sorensen 1970] [Bennett and Edwards 1990] [Benson and Maslowe 1965] [Benson and McRae 1993] [Benson et al 2009] [Berens and Bissinger 1996] [Berens and Bissinger 1998] [Bertin et al 1997] [Bissinger et al 1998] [Bogue et al 1995] [Bolender et al 2009] [Boon and Hillier 2006] [Boon and Hillier 2006] [Borovoy et al 2015] [Brenneis and Wanie 1991] [Bretherton] [Brocanelli et al 2012] [Brophy and Hawk 1990] [Bulman et al 1997] [Burr 1968] [Burris 1966] [Burrows et al 2017] [Buzz Suppression of Supersonic 2005] [Calogeras 1969] [Cao et al 2026] [Caraballo et al 2009] [Carbajosa et al 2025] [Carbajosa et al 2026] [Castner et al 2018] [Cavanaugh and Narayanaswamy 2024] [Chang et al 2008] [Chang et al 2008] [Chang et al 2009] [Chang et al 2010] [Chang et al 2011] [Chang et al 2012] [Chang et al 2017] [Cheadle and DiZinno 2026] [Chen and Tan 2019] [Chen et al 2018] [Chen et al 2019] [Chen et al 2020] [Chen et al 2020] [Chen et al 2025] [Chima 2011] [Choe and Kim 2016] [Choe et al 2020] [Cockrell and Huebner 1991] [Control system design using 1976] [Cousin 1967] [Cox et al 1995] [Cui et al 2011] [Daliri et al 2018] [Dalle et al 2015] [Ding et al 2015] [Ding et al 2018] [Ding et al 2021] [Do et al 2010] [Do et al 2011] [Do et al 2011] [Do et al 2011] [Domack 1991] [Eves and Valasek 2024] [Experimental Study of the 2022] [Famularo et al 2018] [Fan and Chang 2009] [Fan et al 2010] [Farahani et al 2019] [Ferlemann 2008] [Ferrero 2020] [Frey 2014] [Frey et al 2025] [Fu et al 2021] [Fu et al 2022] [Fu et al 2026] [Fujio and Taguchi 2026] [Fukuda et al 1975] [Humrutha et al 2017] [Humrutha et al 2017] [Suryanarayana et al 2026] [Gallo et al 1966] [Gao et al 2015] [Gao et al 2024] [Gilinsky et al 2003] [Goldfeld 2019] [Goldfeld and Nestoulia 2003] [Goldfeld et al 2019] [Gollan and Smart 2013] [Gollan et al 2011] [Gollan and Smart 2010] [Gong et al 2024] [Gonzalez 1996] [Goonko et al 2003] [Grainger et al 2014] [Gruhn and Gülhan 2011] [Gu et al 2009] [Gu et al 2010] [Guan and Yarng 1987] [Guo et al 2017] [Haas and Karanian 1980] [Hamed 1990] [Hao et al 2016] [Hardie and O’Byrne 2025] [Hawkins and Marquart 1995] [Hawkins and Richardson 1991] [He 2015] [Heberling 2020] [Hedges et al 1996] [Henderson 1999] [Herges et al 2012] [Herrmann and Gülhan 2015] [Herrmann et al 2013] [Foster et al 2012] [Hong and Kim 2011] [Hu et al 2013] [Huang et al 2011] [Huang et al 2018] [Huang et al 2025] [Hube 1968] [Hutchins et al 2012] [Hutchins et al 2014] [Iannelli 2007] [Ide et al 1989] [Influence of Plasma on 2024] [Ingenito et al 2009] [Inger 1994] [Instrumentation for In-Flight Determination 1974] [Investigation of the Use 1974] [Connors and Allen 1958] [Jee] [Jia et al 2004] [Jiao et al 2015] [Jiao et al 2016] [Jiao et al 2017] [Jin and Yao 2023] [Jin et al 2022] [Jin et al 2023] [Jin et al 2023] [Jin et al 2026] [Johnson and Narayanaswamy 2024] [Johnson and Narayanaswamy 2026] [Johnson III and Wu 1974] [Kai-li and Kun-yuan 2010] [Kaushik 2023] [Khobragade and Kumar 2022] [Kim and Lee 2022] [Kim and Park 2026] [Kinslow and Busby 1973] [Klepper et al 2017] [Kline et al 2014] [Kohl 1993] [Kojima et al 2015] [Kontogiannis et al 2016] [Kothari et al 1996] [Kumar 2022] [Kumar and Anderson 1986] [Kutschenreuter et al 1966] [Kwak and Lee 2011] [Kwak and Lee 2013] [Kwak and Lee 2013] [Kwak et al 2013] [Grainger et al 2012] [Lawrence 1991] [Lee and Jeung 2009] [Lehtinen and Zeller 1972] [Lei and Zha 2022] [Lei et al 2012] [Leonov et al 2007] [Leonov et al 2012] [Li et al 2014] [Li et al 2015] [Li et al 2022] [Li et al 2024] [Li et al 2024] [Li et al 2024] [Li et al 2025] [Lian et al 2025] [Libby et al 1963] [Liou et al 2010] [Liu et al 2019] [Liu et al 2022] [Liu et al 2025] [Loth et al 2016] [Luo and Wang 2015] [Luo et al 2020] [Luo et al 2024] [Mann and Garner 1977] [Manoj Prabakar and Muruganandam 2019] [Marquart 1991] [Marvin 1968] [Matthews and Jones 2005] [Mayer and Paynter 1994] [McClure and Sirbaugh 1991] [McRae and Neaves 1998] [Medina et al 2021] [Meng et al 2024] [Merkli 1975] [Midea 1991] [Miller 1965] [Miller and Smith 2003] [Millerd] [Min et al 2024] [Min et al 2026] [Moin and Lele 1998] [Mondal and Jagtap 2026] [Moss et al 2026] [Mrozinski and Hayes 1999] [Mu et al 2022] [Murzionak] [Musa et al 2022] [Nagao et al 2019] [Nair et al 2003] [Nair et al 2005] [NamKoung et al 2012] [Neaves and McRae 1995] [Neaves et al 2001] [Newberry et al 1988] [DiGregorio et al] [Nicolae Tudosie 2018] [Ning] [Noftz and Jewell 2025] [Numerical Research of Three-Dimensional 2008] [O’Rorke and Cuppoletti 2024] [Obikane 1984] [Ortwerth and Goldman 1996] [Palko 1975] [Pan et al 2009] [Paynter 1994] [Paynter and Chen 1983] [Peng et al 2024] [Pollock and Wild 2024] [Povinelli 1996] [Pruitt and Bates 1992] [Qifan et al 2014] [Qin et al 2026] [Ramasubramanian et al 2008] [Ramprakash and Muruganandam 2016] [Ranard and Davison 1961] [Ratchford et al 2025] [Reardon et al 2021] [Reddy et al 1989] [Review of Inlet/Airframe Integration 1986] [Rizzetta 1991] [Sabean and Lewis 1999] [Saheby et al 2015] [Samimy et al 2011] [Sanders and Weir 1999] [Sanders and Weir 2008] [Sarosh et al 2012] [Saunders et al 2007] [Schram and Narayanaswamy 2026] [Schram et al 2025] [Schulte-Roedding and Olivier 1998] [Scribben and Withrow 2006] [Seebaugh 1973] [Self-starting Simulation of a 2020] [Sepahi-Younsi 2025] [Sepahi-Younsi and Esmaeili 2023] [Shang 2008] [Shang and Chang 2007] [Shang et al 2006] [Shang et al 2007] [Shi et al 2010] [Shimura et al 1996] [Shucheng and Xijun 1994] [Singh and Gahlot 2023] [Slater 2016] [Slater and Saunders 2009] [Slater and Gruber 2005] [Smart 1999] [Smart and Trexler 2003] [Smeltzer and Sorensen 1972] [Smith et al 2007] [Soltani et al 2011] [Sorensen and Bencze 1973] [Sun and Zhang 2016] [Sun et al 2009] [sun et al 2026] [Surber 1975] [Surber and Robinson 1983] [Surber and Sedlock 1978] [Syberg et al 1980] [Tabanli and Yuceil 2018] [Taghi-Abad et al 2026] [Tahir 2021] [Tahir et al] [Takasaki et al 1998] [Takashima and Kothari 1998] [Tan et al 2009] [Tan et al 2011] [Tang et al 2023] [Tang et al 2024] [Tang et al 2025] [Tang et al 2025] [Tang et al 2025] [Tang et al 2026] [Tao et al 2008] [Tao et al 2009] [Timofeev et al 2001] [Timofeev et al 2008] [Tong et al 2023] [Trapier et al] [Trapier et al 2006] [Trapier et al 2007] [Trapier et al 2008] [Trefny 2020] [Tudosie 2017] [Tudosie 2017] [Tudosie 2018] [Tudosie 2022] [Tudosie and Prisacariu 2022] [Tudosie and Păunescu 2017] [Tudosie et al 2019] [Türkkahraman et al 2024] [Utomo and Bura 2019] [Nikhilesh and Rao 2023] [Vaca-Rios and Cerón-Muñoz 2025] [van Keuk et al 1998] [Van Wie and Molder 1992] [Wagner et al 2007] [Wainwright 1962] [Wang and Cai 2016] [Wang and Gao 2013] [Wang and Guo 2013] [Wang et al 2011] [Wang et al 2014] [Wang et al 2019] [Wang et al 2020] [Wang et al 2022] [Wang et al 2022] [Wang et al 2023] [Wang et al 2023] [Wang et al 2023] [Wang et al 2025] [Wang et al 2026] [Wang et al 2026] [Wang et al 2026] [Wegener 1977] [West and Bynum 2024] [White and Rhie 1988] [White and Rhie 1992] [Xiao and Yang 2025] [Xiao et al 2006] [Xiao et al 2008] [Xie et al 2026] [Xiong et al 2019] [Xu et al 2019] [Xu et al 2022] [Xu et al 2022] [Yamamoto et al 2020] [Yan 2013] [Yang and Xiao 2026] [Yang et al 2024] [Yang et al 2024] [Yang et al 2025] [Yang et al 2025] [Yang et al 2025] [Yang et al 2026] [Yarng and Guan 1988] [Yi et al 2009] [You and Liang 2009] [You and Liang 2009] [You et al 2009] [Yu et al 2007] [Yu et al 1988] [Yuceil et al 2009] [Yue et al 2009] [Zanchetta and Cain 1998] [Zeng et al 2026] [Zha et al 1998] [Zha et al 1998] [Zhai et al 2020] [Zhang 2015] [Zhang 2020] [Zhang 2020] [Zhang 2020] [Zhang 2020] [Zhang 2020] [Zhang 2020] [Zhang 2020] [Zhang et al 2015] [Zhang et al 2016] [Zhang et al 2016] [Zhang et al 2018] [Zhang et al 2023] [Zhang et al 2024] [Zhang et al 2026] [Zheng et al 2013] [Zhou et al 2022] [Zhu et al 2020] [Zhu et al 2026]

An unstart is the inlet ceasing to swallow the flow it was designed to swallow, and it happens fast, and the engine behind it stops being an engine. 107 of these titles name unstart outright.

Flight control and what the vehicle did about it

The third flight is in this cluster. Control surfaces, actuators, control authority, guidance, stability augmentation and the control laws written for air-breathing hypersonic vehicles.

380 records. [Aditya et al 2016] [Aftosmis and Baron 1989] [Air Force Flight Test Center Edwards Afb Ca 1974] [Air Force Flight Test Center Edwards Afb Ca 1974] [Air Force Test Pilot School Edwards Afb Ca 1988] [Aircraft Flight Control Actuation] [Aircraft Flight Control Systems] [Almeida 2021] [Alvi 2012] [An et al 2017] [Anhtuan D. Ngo] [Appleby and Adams 1991] [August and Joshi 1997] [Austin] [Autenrieb 2023] [Autenrieb and Fezans 2024] [Bahambari and Khankalantary 2023] [Bahm et al 2005] [Balakrishnan et al 1997] [Barbera 1980] [Baumann 2006] [Belmont 1983] [Bhat and Lind 2009] [Bin and Hongxin 2006] [Bodson 2000] [Bolender and Doman 2005] [Bolender et al 2007] [Bowersox and Fan 2000] [Brinda et al 2006] [Bryson 2021] [Bu and Lei 2018] [Bucy 1979] [Burns 1965] [Butt 2013] [Butt et al 2010] [Butt et al 2011] [Cai and Huang 2022] [Calise et al 1990] [Cao et al 2022] [Chang et al 2026] [Chaussee and Rizk 1982] [Chen et al 2006] [Chen et al 2016] [Chen et al 2018] [Cheng and Liu 2015] [Cheng et al 2018] [Chengbin Lian et al 2012] [Chi et al 2021] [Chou et al 1996] [Chuang and Morimoto 1996] [Chudej 1993] [Chudoba 2019] [Chudoba 2019] [Clark et al 2006] [Cliff and Well 1991] [Cliff et al 1992] [Cong and Kunfeng 2017] [Cotton 1974] [Craig 1965] [Dalle et al 2010] [Dalle et al 2011] [David O. Sigthorsson 2006] [Davidson et al 1999] [Demarchi and Haning 1978] [Demir et al 2025] [Dewell and Speyer 1993] [Diao et al 2022] [Ding et al 2023] [Disturbance Rejection For Airbreathing 2016] [Djanal-Mann and Murugan 2025] [Du et al 2023] [Duan and Zhang 2016] [Duan et al 2011] [Enns 2003] [Falkiewicz et al 2009] [Falkiewicz et al 2010] [Falkiewicz et al 2011] [Fan et al 2016] [Fan et al 2017] [Fan et al 2017] [Fan et al 2024] [Fenfen et al 2020] [Feng 2022] [Feng et al 2020] [Feng et al 2022] [Fiorentini and Serrani 2012] [Fiorentini et al 2009] [Flight Sciences Lab Inc Buffalo Ny 1964] [Flora et al 2019] [Forbes-Spyratos et al 2014] [Fosdick 1970] [Fu et al 2015] [Fu et al 2018] [Gao et al 2020] [Gao et al 2021] [Gao et al 2026] [Ghori et al 2023] [Glezer 1999] [Glezer and Leonard 2012] [Gockel 1993] [Goz and Theodoulis 2025] [Grimm 1993] [Groves et al 2005] [Guan et al 2013] [Guan Ping et al 2012] [Guangbin Cai et al 2010] [Guangren et al 2015] [Guo and Liu 2024] [Guo et al 2016] [Guo et al 2023] [Gupta] [Halter and Cliff 1991] [Han et al 2024] [Hart 1956] [Hattis 1990] [Heller et al 2000] [Herrlin and Gelderloos 1988] [Holm-Hansen et al 2010] [Hong et al 2014] [Hong Qian. Lu et al 2011] [Hongbo and Yongyuan 2016] [Hostetler 2005] [Hou et al 2015] [Hu and Liu 2013] [Hu et al 2008] [Hu et al 2010] [Hu et al 2018] [Hu et al 2021] [Hu et al 2022] [Hu et al 2022] [Hu et al 2022] [Huang et al 2018] [Huang et al 2026] [Hughes and Wu 2010] [Hughes and Wu 2012] [Huo et al 2006] [Ishimoto et al 1996] [Janardanan and Jayakumar 2006] [Jeffrie and Rolston 1972] [Jenney et al 1982] [Ji and Zhou 2017] [Ji and Zhou 2018] [Ji et al 2019] [Ji et al 2023] [Jiang et al 2018] [Jiang et al 2020] [Jiang et al 2024] [Jianguo et al 2018] [Jie Wang et al 2012] [Jing-guang and Shen-min 2017] [Jingang et al 2026] [Kang et al 2008] [Kauffman et al 1990] [Kauffman et al 1991] [Keshmiri 2008] [Keshmiri et al 2006] [Keshmiri et al 2006] [Keshmiri et al 2007] [Kohnhorst and Magnacca 1980] [Kuipers et al 2007] [Kuipers et al 2008] [Kuipers et al 2009] [Kulkarni and Phan 2003] [Kulkarni et al 2024] [Lazur et al 1999] [Lee 1977] [Lee et al 2007] [Levin et al 2008] [Li and Fu 2010] [Li et al 2015] [Li et al 2017] [Li et al 2017] [Li et al 2020] [Li et al 2020] [Li et al 2021] [Li et al 2022] [Lian et al 2012] [Lian et al 2013] [Lian et al 2013] [Liang et al 2021] [Liang et al 2025] [Lin and Shen 1997] [Lin et al 2008] [Lind et al 1999] [Linqi et al 2015] [Liu et al 2014] [Liu et al 2014] [Liu et al 2016] [Liu et al 2016] [Liu et al 2022] [Lu 1991] [Lu and Jiang 2019] [Lu and Zhou 2017] [Lu et al 2016] [Lubing et al 2017] [Lubing et al 2020] [Luo et al 2025] [Lv and Zhou 2023] [Ma et al 2006] [Ma et al 2020] [Ma et al 2023] [Maorui Zhang et al 2010] [McRuer 1991] [Mease and Vinh 1988] [Methodology for Investigation of] [Mirmirani et al 2005] [Miyazawa 2000] [Morelli 2008] [Morimoto and Chuang 1998] [Morrison and Ianculescu 1992] [Ferreira de Moura and Borges Ribeiro 2025] [Ferreira de Moura and Borges Ribeiro 2025] [Ferreira de Moura and Borges Ribeiro 2025] [Moura and Borges Ribeiro 2025] [Nagy 1979] [Niu et al 2018] [Northrop Aircraft Inc Hawthorne Ca 1952] [Ochi 2004] [Ogren et al 1974] [Okuno and Watanabe 1992] [On ascent guidance of 1994] [Oppenheimer and Doman] [Oppenheimer and Doman 2006] [Oppenheimer et al 2007] [Oppenheimer et al 2008] [Ouzts et al 2009] [Owotunse et al 2023] [Paus and Well 1996] [Peng et al 2014] [Peng et al 2019] [Piao et al 2019] [Piet-Lahanier and Serre 2017] [Poulain et al 2009] [Prakash and Singh 2021] [Primary Flight Control Hydraulic] [Qi and Jianliang 2017] [Qin Changmao et al 2010] [Qin et al 2013] [Raney et al 1993] [Rehman et al 2009] [Rehman et al 2010] [Ren and Yang 2017] [Ren et al 2017] [Roy and Durscher 2011] [Ruimin and Jianguo 2018] [Sachs et al 1995] [Saranathan and Grant 2016] [Sayir 2006] [Sayir and Sehirlioglu 2009] [Schmidt and Velapoldi 1999] [Serrani and Bolender 2014] [Shachar et al 2025] [Shakiba and Serrani 2011] [Shang 2007] [Shen et al 2014] [Shi et al 2020] [Shuai et al 2022] [Shuguang et al 2015] [Shuping Tan and Zhibin Li 2010] [Singh et al 2023] [Slivinsky 1977] [Slivinsky and Patumtawapibal 1980] [Smiley and Camberos 2024] [Song and Choi 2020] [Stern 1983] [Stokes and Lombaerts 2023] [Stolarik 2007] [Sudalagunta et al 2018] [Sun and Xin 2014] [Sun and Zhang 2011] [Sun et al 2013] [Swann et al 1981] [Tang et al 2018] [Tang et al 2020] [Tang et al 2021] [Tang et al 2023] [Tao et al 2016] [Teng et al 2016] [Tian and Fan 2013] [Tieshan et al 2021] [Tsukamoto et al 2004] [Vogel et al 2009] [Walchner et al 1967] [Wan and Chen 2022] [Wan et al 2012] [Wang and Wang 2020] [Wang and Wu 2017] [Wang and Xia 2022] [Wang and Zhang 2021] [Wang et al 2012] [Wang et al 2012] [Wang et al 2015] [Wang et al 2017] [Wang et al 2017] [Wang et al 2018] [Wang et al 2018] [Wang et al 2019] [Wang et al 2020] [Wang et al 2022] [Wang et al 2023] [Wang et al 2025] [Wang et al 2025] [Wei et al 2012] [Wei et al 2016] [Wei et al 2019] [Wells 2002] [Wenbiao et al 2014] [Wenfeng et al 2017] [Wenkai et al 2017] [Wenkai et al 2017] [Wexler and Idan 2026] [Wiese et al 2013] [Wu and Guo 2018] [Wu and Wang 2015] [Wu and Yu 2018] [Wu et al 2015] [Wu et al 2025] [Wu Liaoni and Wang Mengmeng 2012] [Wächter and Sachs 2006] [Xia et al 2020] [Xian Lin Huang and Dong Ming Ge 2010] [Xin and Zhang 2011] [Xin Wang and Shijie Sun 2010] [Xin Wang et al 2008] [Xiong Luo et al 2008] [Xu 2015] [Xu and Zhang 2015] [Xu et al 2004] [Xu et al 2012] [Xu et al 2012] [Xu et al 2017] [Xudong Liu et al 2016] [Ya-Long et al 2014] [Yahui et al 2021] [Yan 2014] [Yan and Fu 2026] [Yan Binbin et al 2009] [Yang and Li 2023] [Yang and Qi 2016] [Yang and Wang 2021] [Yang et al 2013] [Yang et al 2013] [Yang et al 2014] [Yang et al 2014] [Yao and Xia 2023] [Yao et al 2009] [Yao et al 2017] [Yaosheng 2018] [Ying et al 2018] [Youssef et al 2008] [Youssef et al 2009] [Yu et al 2014] [Yu et al 2021] [Yulian and Bin 2014] [Zeng et al 2025] [Zhai et al 2016] [Zhai et al 2018] [Zhang and Ding 2023] [Zhang and Tang 2012] [Zhang et al 2012] [Zhang et al 2016] [Zhang et al 2017] [Zhang et al 2017] [Zhang et al 2018] [Zhang et al 2019] [Zhang et al 2022] [Zhang et al 2026] [Zhang Zhikai et al 2015] [Zhao 2023] [Zhao et al 2018] [Zhengdong et al 2013] [Zhi and Yang 2015] [Zhongjie Meng et al 2008] [Zhou 2023] [Zhou et al 2016] [Zhou et al 2020] [Zhu and Liu 2015] [Zhu and Liu 2015] [Zhu and Shen 2015] [Zhu et al 2024]

The literature is mostly control laws and hardly at all hardware. 137 of these titles name an adaptive, robust, sliding mode, backstepping, fuzzy, neural, observer-based or fault-tolerant law, and 29 name an actuator, a fin, a control surface, a bearing or a hydraulic system. The third vehicle was lost when an upper right fin unlocked, which is a latch rather than an aerodynamic limit, and no title in the survey names a latch.

Supersonic and hypersonic aerodynamics of bodies, wings and boundary layers

The aerodynamics of the flight regime itself. Supersonic and hypersonic flow over cones, blunt bodies, wings and lifting shapes, boundary layers and their transition, wakes, rarefied flow and the theory of hypersonic flow.

355 records. [Adams et al 1973] [Advanced Fuel Research Inc East Hartford Ct 1957] [Aiello 1962] [Aiello 1963] [Air Force Test Pilot School Edwards Afb Ca 1987] [Alam et al 2006] [Alferov and Marchenko 2012] [Alsalihi and Deconinck 1991] [Anderson 1958] [Anderson 1959] [Anderson 1960] [Anderson 1996] [Anderson 2019] [Anderson Jr. 2006] [Army War Coll Carlisle Barracks Pa 1952] [Asma and Van der Haegen 2010] [Asma et al 2009] [Avidor and Lederman 1971] [Baer 1961] [Barz 2026] [Batiuk and Henderson 1976] [Becker 1965] [Bedarev and Fedorova 2001] [Bennett 1971] [Bestman 1991] [Bityurin and Bocharov 2010] [Boeing Scientific Research Labs Seattle Wa 1963] [Bogdnoff 1953] [Bogdonoff 1970] [Boppe and Davis 1989] [Borrelli et al 1998] [Boudreau 1979] [Bowman 1995] [Brauckmann 1986] [Brodsky 1970] [Brown et al 1963] [Calligeros and Dugundji 1961] [Carlomagno et al 1993] [Cassanova 1967] [Celmins 1990] [Chang 2025] [Chang and Choudhari 2010] [Chang et al 2010] [Chen et al 2017] [Chen et al 2026] [Cheng 1960] [Cheng 1993] [Chuang and Morimoto 1997] [Clark 1966] [Clever 1984] [Connolly 1965] [Connolly and Loth 2020] [Cresci 1966] [Crown 1950] [Decker 1970] [Demetriades 1975] [Demetriades 1983] [Demetriades 1985] [Dendy et al 2026] [DeSpirito 2013] [Direct numerical simulations of 2023] [Baradell and McLellan 1963] [Dudin 2002] [Dudley and Ukeiley 2011] [Dugundji 1965] [Dulikravich and Sheffer 1991] [Durant et al 2015] [Dyakonov et al 2012] [Effects of wind-tunnel disturbances 1972] [El-Askary 2011] [Elliott 1968] [Ely] [Epstein 1954] [Ericsson 1968] [Ericsson 1977] [Ericsson 1977] [Ericsson 1978] [Ericsson and Scholnick 1968] [Fedioun and Orlik 2012] [Fedorov and Khokhlov 2001] [Fedorov and Khokhlov 2002] [Fejer et al 1964] [Ferguson et al 2018] [Fermen-Coker and Johnson 1999] [Ferrier et al 2006] [Ferrier et al 2008] [Finley 1990] [Froning and Roach 1999] [Fulmer and Wirtz 1964] [Galaktionov et al 2006] [Ginoux 1966] [Gogineni 1991] [Goldberg and Scala 1965] [Golubkin 1992] [Golubkin and Negoda 1995] [Golubkin and Postnov 2000] [Gorshkov and Lunev 2002] [Goyal et al 2023] [Graham et al 1954] [Grant 2013] [Gray 1965] [Green] [Guderley 1987] [Guderley 1988] [Gunderson 1963] [Gülçat 2010] [Gülçat 2015] [GÜlçat 2021] [Allen 1958] [Hall et al 2026] [Harloff 1987] [Hartley et al 1965] [Hayes 1959] [Hejranfar et al 2011] [Henson and Robertson 1962] [Herbert 1992] [Hinderks et al 2004] [Hirschel and Meier 2004] [Hoffert 1968] [Homan 1970] [Hopkins] [Hornung 2001] [Hornung et al 2003] [Horvath et al 2002] [Hromas and Lees 1962] [Hutt and East 1983] [Hypersonic Aerodynamics 1988] [Hypersonic Aerodynamics 2016] [Hypersonic Aerodynamics Slender Bodies 2025] [Hypersonic Flight 2025] [Hypersonic flow in a 1989] [Hypersonic Flow Past Thin 2009] [Hypersonic Flows 2021] [Hypersonic Flows 2025] [Hypersonic Inviscid Flowfields Approximate 2006] [Hypersonic Inviscid Flowfields Approximate 2019] [Hypersonic Inviscid Flowfields Exact 2006] [Hypersonic Inviscid Flowfields Exact 2019] [Hypersonic Shock and Expansion-Wave 2006] [Hypersonic Shock and Expansion-Wave 2019] [Hypersonic Thin Viscous Shock 2018] [Inger 1989] [Itabashi et al 1995] [Jischke 1978] [Johnston and Candler 2023] [Kaiser and Fluegge-Lotz 1968] [Kakatsios and Houzouris 1998] [Kantrowitz and Petschek 1964] [Kaufman and Louis G. 1963] [Kaushik 2018] [Kelly 1973] [Kendall 1974] [Keshmiri et al 2005] [Ketter 1974] [Khairul Habib Pulok and Chakravarty 2021] [Khorrami and Chang 1997] [Khorunzhenko et al 2002] [Khurana and Suzuki 2013] [Kimmel 1993] [Kimmel and Poggie 1997] [Kimmel et al 2005] [Kimmel et al 2011] [King 1962] [Kinslow et al 1973] [Klock and Cesnik 2015] [Kostoff et al 2003] [Kremeyer and Pakhomov 2008] [Krouse and Ellis 1966] [Kubota and Berg 1977] [Kudryavtsev et al 2009] [Kuznetsov 1992] [Laderman 1979] [Laderman and Demetriades 1977] [Ladyzhenskij 1963] [Lago et al 2012] [Lahaye and Heckman 1968] [Latvala and Anderson 1959] [Lau 2007] [Lee and James T. 1963] [Lee and Rasmussen 1978] [Lees and Hromas 1961] [Lempert and Miles 1995] [Levermore and Brio 1994] [Leyland 1992] [Li and Nagamatsu 1953] [Li et al 2017] [Li et al 2021] [Lijewski 1980] [Lindsay and Fikes 1976] [Loper and Lightsey 1967] [Lu and Liu 2011] [Luboński 1964] [Lukasiewicz 1961] [Mackle and Jahn 2024] [Marchello and Morgenthaler 1966] [Martin and Gerber 1953] [Maslov 2001] [Masson et al 1989] [Mayne and Arloe W. 1979] [McElderry 1973] [McIntosh 1964] [McIntosh 1972] [Measuring kinematic parameters of 1998] [Meckler 1965] [Merz 1968] [Mestwerdt and Rambauske 1961] [Meyer 1969] [Miele 1962] [Miele and Hull 1963] [Miele and Pritchard 1963] [Miele and Saaris 1963] [Miles 1998] [Miles 2001] [Miles and Macheret 2006] [Mironov and Aniskin 2004] [Moga 1980] [Moger and Ramsay 1964] [Moss et al 2006] [Moss and Price 1996] [Moulic 1963] [Moura and Ribeiro 2024] [Munipalli et al 2005] [Nagel 1967] [Nance 2013] [Naval Ordnance Systems Command Washington Dc 1957] [Neuwerth et al 1998] [Neuwerth et al 1999] [Nicolaides and Brady 1959] [Nicoll 1962] [Nietubicz 1975] [Nishino 1993] [Nishio 1996] [Nishio and Hagiwara 1998] [North American Aviation Inc Los Angeles Ca 1964] [Nydick et al 1995] [O’Neal et al 2026] [Olsen 1965] [Opalka 1968] [Oppenheimer et al 2008] [Orlik et al 2009] [Ormsbee 1962] [Ortloff 1968] [Padmapriya and Reddy 1998] [Paredes et al 2017] [Peng et al 2019] [Perminov 1969] [Peters and Phares 1976] [Pfaff 1965] [Phillips and Cruz 1991] [Phillips and Cruz 1993] [Pike 2006] [Platou 1959] [Poplavskaya 2002] [Probstein 1953] [Quick et al 2005] [Rathakrishnan 2025] [Reda 1977] [Reed 1997] [Reed 2013] [Regan 1964] [Reviznikov et al 2018] [Rhudy et al 1960] [Riabov 2002] [Riabov 2003] [Riabov 2011] [Riabov and Botin 1999] [Riabov and Riabov 1997] [Richardson and Herrmann 1966] [Rom 1965] [Rotta 1966] [Ruble 1964] [Ruffin 1996] [Sahu 1986] [Sahu 2007] [Sahu et al 2024] [Sapunkov 1966] [Schneider 2006] [Schueler 1963] [Segura 2007] [Sevigny et al 1972] [Sforza 1967] [Shang 2005] [Shang* 2009] [Shorenstein 1971] [Short 1961] [Sidharth and Dwivedi 2026] [Sidharth and Dwivedi 2026] [Simons 1975] [Sims and Hahn 1964] [Sivells and Payne 1959] [Skews 1994] [Skujins and Cesnik 2010] [Skujins and Cesnik 2011] [Smits 1988] [Sobel and Nawaz 1972] [Speyer et al 1980] [Spring 1972] [Stebbins and Loth 2024] [Stetson 1990] [Stone 1945] [Strome 1969] [Sturek and Schiff 1981] [Sugarno et al 2022] [Sun et al 2020] [Surzhikov 2009] [Swigart 1962] [Thomas 1942] [Tilmann 1998] [Ting and Libby 1960] [Tiwari et al 2026] [Triantafillou et al 1998] [Tumin 1996] [Ueno et al 2011] [Unnikrishnan and Gaitonde 2021] [Van 1963] [Van Driest and Blumer 1961] [Verhoff and O’Neil 1987] [Viviand 1991] [Walchner 1974] [Walker and Oberkampf 1991] [Wang 1998] [Wang et al 1980] [Wang et al 2012] [Wartemann et al 2009] [Washington and Humphrey 1969] [Wasserman 1952] [Watmuff and Smits 1987] [Weatherill and Zartarian 1958] [Weiland 2019] [Weilmuenster et al 1995] [Wepler et al 2001] [Weyl 1998] [White et al 1961] [Wilks 2006] [Williams and Lewis 1975] [Williams et al 2024] [Wilson 1966] [Witzeman 2003] [Wollrab 1966] [Xu and Cai 2011] [Xue and Haibin 2017] [Yahalom 1971] [Yamamoto and Kano 1996] [Yeneriz et al 1989] [Yeneriz et al 1991] [Young 1966] [Young and Goldstein 1999] [Zartarian 1956] [Zartarian and Hsu 1955] [Zhang et al 2019] [Zhang et al 2023] [Zhao 2021] [Zhi et al 2015] [Zhong 2009] [Zhong et al 2001]

At Mach 5 this is not background but the subject of the airframe, and 55 of these titles name a boundary layer, its transition or its stability.

Flight test, instrumentation and what was actually measured

Four flights, and telemetry for 370 seconds on the last of them [X-51 scramjet engine demonstrator, GlobalSecurity]. Flight experiment design, instrumentation, air data, telemetry and flight-derived data.

238 records. [A global telemetry data 1988] [Adolph 1981] [Air Force Flight Test Center Edwards Afb Ca 2002] [Air Force Test Pilot School Edwards Afb Ca 1962] [Air Force Test Pilot School Edwards Afb Ca 1962] [Air Force Test Pilot School Edwards Afb Ca 1967] [Air Force Test Pilot School Edwards Afb Ca 1979] [Air Force Test Pilot School Edwards Afb Ca 1990] [Air Force Test Pilot School Edwards Afb Ca 1990] [Air Force Test Pilot School Edwards Afb Ca 1992] [Air Force Test Pilot School Edwards Afb Ca 1993] [Aircraft and Flight Test 2021] [Alford and Knarr 1999] [Alich and Castillo 2007] [Approximate Method of Predicting 1983] [Armstrong 1977] [Arnold 1981] [Baer 1966] [Bartolome Calvo and Eggers 2011] [Baumann et al 2008] [Bender 1969] [Berens and Bissinger 1998] [Bertelrud et al 1992] [Bertelrud et al 1999] [Bever 1992] [Bleimeyer 1981] [Boeing to use X-43A 2005] [Bogue 1992] [Borg et al 2025] [Brooks 1986] [Brown 2012] [Brown and Bradley 1981] [Brunner 1996] [Bryan 1953] [Burnett 2002] [Burns 1974] [Burton 1987] [Butler et al 2022] [Butler et al 2023] [Cain and Walton 2003] [Carico 1998] [Cassanto 1971] [Cassanto 1972] [Cenkci 1991] [Cenko et al 2003] [Chase and Rust 1980] [Chen and Berry 2010] [Cheney 1988] [Clark 1965] [Comparison of Orbiter STS-2 1983] [Craig and Reich 1981] [Creating Hypersonic Flow in 2019] [Czysz and Murthy 1996] [Czysz et al 1997] [D’Amico et al 2004] [Dalle et al 2011] [Dasgupta et al 2012] [Davis and White 2006] [Davis and White 2008] [Davis. Marl C. and White, J. Terry 2006] [Demo 1986] [Dickhudt 1983] [Dolvin 2009] [Draper et al 1977] [Durbin 1959] [Schwegler - Lanl and Place - Honeywell 2000] [Edquist 2006] [Eppley 1963] [Erdman 2005] [Evaluation of turbulent heating 1973] [Falempin and Serre 2003] [Falempin and Serre 2006] [Falempin and Serre 2008] [Falempin et al 1995] [Faulstich and Law 2006] [Fechter and Mills 1988] [Feie and Kretz 2008] [Fletcher 1994] [Flight Test Instrumentation 1965] [Flight TEST Manual 1959] [Flight Test Planning 2021] [Furstenau 1965] [Förder and Steiner 2020] [Gibson et al 2002] [Godwin et al 1964] [Grantz et al 1993] [Guelhan et al 2012] [Hall 2002] [Harkins 2003] [Harris et al 1994] [Head 1981] [Herrington et al 1966] [Hicks 1992] [Hildebrand 1979] [Ho 2006] [Hoult et al 2003] [Howell 1988] [Howland 1953] [Hypersonic Air-Breathing Flight Testing 2022] [Iliff and Shafer 1992] [Iliff and Shafer 1993] [Iliff and Shafer 1993] [Iliff and Shafer 1995] [Ince 1967] [Initial Shuttle External Tank 1983] [James 2022] [Jann and Yakimenko 2015] [Jategaonkar et al 2005] [Lux-Baumann and Burkes 2005] [Jones 2006] [Kao and Anderson 1981] [Kelly 1988] [Kelso 1993] [Kennedy 1986] [Klingenberg et al 2026] [Klyde et al 2004] [Knighton 1992] [Knoblach 1974] [Ko and Gong 2001] [Kobayashi et al 2008] [Kotel’nikov et al 2020] [Krivanek et al 2002] [Lamy 1983] [Lang 1981] [Large et al 1981] [Ledu and Pollak 1968] [Lightweight low-cost flight test 2007] [Liu et al 2025] [Luecke 1957] [Lux and Burkes 2008] [Lux-Baumann and Burkes 2006] [Machnik et al 2022] [Mannai 1962] [Marren et al 2001] [Martin 1996] [Martínez Morán 2018] [Maydew 1964] [Mayer and Chalfant 2023] [McKenna 1990] [McQuellin et al 2020] [Mehta and Kutler 1994] [Mermagen 1964] [Moore 1965] [Morger 1988] [Mori et al 2001] [Mori et al 2002] [Moyer 1963] [Nardozzo et al 2019] [Neely and Tjong 2008] [Neely and Tracy 2006] [Niewöhner 2018] [Norton 1990] [Norton 1990] [Obermark 2004] [Okojie et al 2009] [Marshall et al 2005] [Palomino 2022] [Pawlak 1994] [Petersen 1981] [Platou 1968] [Platz and Bounajem 1992] [Porter 1965] [Rediess and Melton 1994] [Reimer et al 2025] [Research Instrumentation Requirements for 1974] [Response of Miniature Pressure 1974] [Rhea and Moore 1988] [Ricciardi and Minwalla 2016] [Richardson 1976] [Roberts and Brown 1988] [Roberts and Shawler 1994] [Robertson and Hartfield 1992] [Rooker 1970] [Roseberry 2025] [Rubio and Ballard 1967] [Sanderson 1965] [Sanderson 1987] [Sanderson 2003] [Sanderson 2010] [Sandoz and Klaeyle 2021] [Sandoz et al 2024] [Sappey et al 2009] [Sawai et al 2003] [Schumacher 1952] [Schweikhard 1983] [Shou and Li 2026] [Siddiqi and Abraham 1988] [Simpson 1979] [Simulation in support of 1988] [Smith et al 2011] [Snyder 2003] [Space systems. Launch-vehicle-to-spacecraft flight] [Spravka and Jorris 2015] [Spravka and Jorris 2015] [Sterbenz et al 2011] [Stottier 1995] [Strawa et al 1990] [Strock 1983] [Svendsen 1994] [Taguchi et al 2009] [Takahashi et al 2020] [Takahashi et al 2025] [Talmage 2008] [Taylor 1959] [The Agard Flight TEST 1959] [Thornton and Lamy 1992] [Tsoubanos 1979] [Turner et al 2006] [Ueno et al 2002] [Ueno et al 2004] [Van Pelt 1981] [Vanatta and Inderhees 1988] [Varner 1976] [Vaughn and Lindsay 1988] [Walker et al 2008] [Walker et al 2008] [Walter and Redman 1954] [Ward 1988] [Watanabe et al 1996] [Wells 1987] [Whitbeck et al 1982] [Whitmore and Moes 1994] [Whitmore et al 1994] [Widnall and Grundy 1974] [Winkler 1954] [Wolf and Bossert 2001] [Woolf 2012] [Wulff and Zoellner 1991] [Xin 2023] [Yanagihara et al 2003] [Yang 2021] [Yang 2021] [Yang 2021] [Yang 2021] [Yang 2021] [Yechout 1988] [Yergensen and Rhea 1988] [Zhao 2021]

A hypersonic demonstrator returns data or it returns nothing, since there is no vehicle to inspect afterwards and every X-51A ended in the Pacific.

Ground facilities and how hypersonic flow is made on Earth

Where almost all of this subject’s knowledge comes from. Shock tunnels, arc-heated and combustion-heated facilities, free-jet and direct-connect testing, free-flight testing in tunnels, and the flow-quality and vitiation problems that make ground data hard to trust.

239 records. [A Hypersonic Ground-Test Facility 2002] [A Hypersonic Test Capabilities 2002] [Abgrall 1991] [Abuaf 1976] [Adams and Rubin 1958] [Alkandry et al 2009] [An Assessment of Our 1964] [Anderson et al 1999] [Andrews and Poggie 2023] [Belanger and Hornung 1992] [Bensassi et al 2010] [Bensassi et al 2013] [Best et al 2001] [Bhakta et al 2025] [Biagioni et al 1998] [Bissinger and Schmitz 1993] [Borg et al 2012] [Borg et al 2013] [Bouchard and Chambers 1966] [Boyd et al 1993] [Boyer 1965] [Bradley et al 1981] [Britcher and Landman 2024] [Britcher and Landman 2024] [Britcher and Landman 2024] [Britcher and Landman 2024] [Buchanan and Crosby 1983] [Buck and Draper] [Buonadonna et al 1973] [Burns 1970] [Butler 1976] [Buttsworth et al 2017] [Giuseppe et al 2011] [Calder et al 2026] [Campbell et al 1997] [Carroll 1982] [Chen 2017] [Chen and Liu 2014] [Chokani 2001] [Chrusciel 1976] [Craig 2022] [Creating Hypersonic Flow in 2019] [Crumpton 2024] [Czysz 1963] [Czysz 1963] [Danberg 1961] [Danberg et al 1964] [Danehy et al 2015] [Daum 1963] [Davis et al 2006] [Deegan et al 2018] [Deepak et al 2006] [Development of the Shock 1962] [Diagnostic Studies of a 1962] [Diggins 1951] [Draper and Lee 2019] [Dukowicz 1968] [Edelman and Spadaccini 1969] [Enkenhus 1969] [Enkenhus and Parazzoli 1969] [Erdos 1998] [Eschenbach and Skinner 1961] [Esparza et al 1975] [Facility Requirements for Hypersonic 1991] [Fetterhoff and Burfitt 2011] [Fitch 1966] [Fitzgerald et al 1973] [Folck and Smith 1969] [Fujita et al 2011] [Gates et al 1999] [Giant liquid rheostat for 1955] [Goldbaum 1956] [Gregorek and Lee 1962] [Grossir 2015] [Grossir and Rambaud 2014] [Hackett 1992] [Hamner 2003] [Harris and Albacete 1964] [Hasegawa 2025] [Henckels and Maurer] [Henshall and Brower 1962] [Herdy 2025] [Herdy 2025] [Herdy 2026] [Hermann 1950] [Hertzberg et al 1961] [Hirsch et al 2023] [Holden 1993] [Hollis et al 1999] [Hu and Durbin 2012] [Huber 1966] [Hutt 1987] [Huebner et al 2001] [Hypersonic Ground Test Requirements 2002] [Initial Results from a 1962] [Jiang et al 2017] [Johnson et al 1970] [Jones and Laurence 2025] [Kalkhoran and Otugen 1994] [Kennell et al 2015] [Kidd and Adams 2000] [Knauss et al 1999] [Knight and Naiman 2009] [Koppenwallner 1968] [Korte 1992] [Korte 2000] [Korte and Hodge 1994] [Korte et al 1991] [Lafferty and Marren 1996] [Laurence 2023] [Legge 1995] [Leighton 1964] [Li and Wild 2026] [Li et al 2011] [Li et al 2022] [Liu et al 2019] [Liu et al 2019] [Liu et al 2022] [Liu et al 2025] [Lobb et al 1955] [Lockman 1967] [Lord et al 1960] [MacKenzie 1967] [Maddalena and Gopal 2023] [Markova et al 2017] [Matthews 1992] [Matthews and Trimmer 1969] [Maxwell 2017] [Maxwell 2019] [Maxwell and Goodwin 2018] [Maxwell and Goodwin 2018] [McClinton et al 1998] [McKenzie and Fletcher 1993] [McQuellin and Buttsworth 2024] [Melis and Gladden 1990] [Mikkelsen and Long 2005] [Miles 2003] [Miles and Brown 2002] [Montgomery and Garrard 2005] [Nagamatsu et al 1961] [NASA Glenn Research Center’s 2002] [Nelson 1967] [New-Generation Hypersonic Adiabatic Compression 2002] [Nishimura 2014] [Norfleet and Loper 1966] [Owen and Owen 2007] [Ozawa et al 2014] [Panfilov et al 2021] [Penland and Romeo 1971] [Pope and Maydew 1959] [Principles of Hypersonic Test 2002] [Rault 1992] [Resch et al 1992] [Richards 1979] [Scaggs 1966] [Scaggs et al 1963] [Scaggs et al 1992] [Schindel 2005] [Schmidt 1988] [Schneider 2000] [Schneider 2001] [Schneider 2009] [Segal 2011] [Serre 2009] [Serre and Falempin 2008] [Serre et al 2011] [Shadow 1987] [Shang] [Sherman and Cook 1963] [Shope 2006] [Shreeve et al 1961] [Simmons 2000] [Simmons et al 1989] [Simmons et al 1992] [Simmons et al 1995] [Sivells 1963] [Sivells 1969] [Slavick and Hiremath 2023] [Smith 1953] [Smith 2011] [Smith and Carver 1993] [Spearman 2003] [Spekreijse 1991] [Staack and De 2000] [Stalker 1992] [Stallings and Hartman 1981] [Stetson and Sawyer 1977] [Summerfield 1992] [Suppe 2000] [Surget and Dunet 1993] [Surzhikov 2021] [Surzhikov 2021] [Sylvester 1967] [Taguchi et al 2014] [Takahashi et al 2023] [Tanno et al 2015] [Tepe et al 1963] [Testing Methods and Wind 2009] [The AEDC Hypervelocity Wind 2002] [The ONERA F4 High-Enthalpy 2002] [The SCIROCCO 70-MW Plasma 2002] [Thomas and Perlbachs 1967] [Thomas et al 1969] [Tirres et al 2002] [Tirtey et al 2006] [Trimmer et al 1986] [Tuohy 2006] [Turner 1965] [van Hoffen 2024] [Varwig 1963] [Veraar 2008] [Vicente and Foy 1963] [Vicente and Foy 1963] [Wadhams et al 2008] [Wagner and Dale 1985] [Walchner et al 1969] [Wang 2017] [Ward and Myers 1967] [Ward et al 1977] [Watari et al 2006] [Watt and Aronson 1964] [Weatherston 1969] [Weeks 1969] [Wegener and Lobb 1952] [Weiler et al 1972] [Wilkinson and Wilkinson 1997] [Wilson 1990] [Wind Tunnel Test Techniques 2024] [Wing] [Winkler 1952] [Wittliff et al 1992] [Yang et al 2020] [Yin et al 2017] [Yu and Newman 2003] [Zeitoun et al 1991] [Zhao 2013] [Zhao 2021] [Zhu and Li 2023] [Zou et al 2021]

A ground facility that reproduces the Mach number does not reproduce the enthalpy, or reproduces it with the wrong gas, which is why flight test exists at all.

Fuel as coolant, and the endothermic heat sink

The coupling that makes a hydrocarbon scramjet possible and nearly impossible at once. Endothermic fuels, catalytic cracking, coking, thermal stability, regenerative cooling and aircraft thermal management.

212 records. [Aircraft Thermal Management System] [Appeldoorn and Tao 1966] [Appeldoorn and Tao 1967] [Balland et al 2015] [Barsness and Bertram 1959] [Bates et al 2004] [Beaver 1993] [Beery et al 1975] [Bejan 2010] [Bergholz and Hitch 1992] [Bessee et al 2012] [Billingsley et al 2010] [Bouchez and Beyer 2008] [Bouchez et al 1998] [Browne et al 2021] [Browne et al 2012] [Bucher and Bradley 1975] [Cao et al 2022] [Capparelli et al 2026] [Castaldi et al 2006] [Chow et al 2012] [Colbert and Nowack 2000] [Cox and Bobula 2015] [Crachi et al 2024] [Dai et al 2024] [Darrah 1988] [Dinda et al 2021] [Duvall et al 1985] [Edwards et al 2006] [Edwards et al 2024] [Endothermic Reactions] [Endothermic Reactions 2006] [Eser et al 1990] [Felderman et al 2003] [Fischer 2006] [Frederick 1987] [Glassman 1998] [Fuels for Hypersonic Air-Breathing 2022] [Gao et al 2024] [Gasner et al 1992] [George 1963] [Glickstein and Spadaccini 1998] [Guffey and Hunter 1990] [Guo et al 2022] [Guo et al 2023] [Guoliang et al 2017] [He et al 2015] [Heat transfer to endothermic 1991] [Heinrich et al 2001] [Holography of JP-4 Droplets 1974] [Huang and Spadaccini 2001] [Huang et al 2002] [Huang et al 2012] [Huang et al 2022] [Hui-Sheng and Bei-Jing 2021] [Impact of Copper Contamination] [Investigation of bubble-point vapor 2005] [Jackson et al 1995] [Jasa et al 2018] [Jeon and Park 2023] [Jeyashekar et al 2010] [Jiang et al 2021] [Jing et al 2023] [Johnson et al 2015] [Johnson et al 2017] [Johnston et al 1970] [Kalyan et al 2022] [Kanda et al 1994] [Kang and Sun 2011] [Kellermann et al 2020] [Kittredge et al 1961] [Korabelnikov and Kuranov 2002] [Korabelnikov and Kuranov 2005] [Kose and Celik 2023] [Krause et al 1991] [Kuranov et al 2012] [Kuranov et al 2016] [Kuranov et al 2017] [Lander 1968] [Leonard and Hardy 2000] [Levikhin and Musteikis 2025] [Lewis 2001] [Li et al 2019] [Li et al 2021] [Li et al 2021] [Li et al 2021] [Li et al 2021] [Li et al 2026] [Lillis 1987] [Liquid Hydrocarbon Fuels for 2001] [Liquid-Phase Reactions of Vaporizing 1978] [Liu and Liu 2022] [Liu et al 2015] [Liu et al 2019] [Liu et al 2022] [Longwell 1978] [Lyon 1992] [Maas et al 2004] [Marchand 1989] [Markham et al 2002] [Martel 1970] [Martel 1988] [Marteney et al 1982] [Mayo 1984] [McConnell et al 1982] [McLaren et al 1965] [Medwick et al 1999] [Mi et al 2025] [Mikhaylov 2013] [Mills 2001] [Mills 2002] [Minato et al 2009] [Minato et al 2012] [Miyaura et al 2018] [Montgomery et al 2006] [Morris and Robert W. 2012] [Morris and Robert W. 2013] [Morris Jr and Davis 2013] [Moszee and Moszee 1997] [Naegeli 1997] [Nalabala and Dinda 2024] [Naraghi et al 2006] [Nash et al 2017] [Nash et al 2018] [Negishi et al 2015] [Netzel et al 1961] [Nixon and Henderson 1966] [Nowack and Delfosse 1980] [Oba and Gonda 2014] [Palej and Palacz 2018] [Park and Jeon 2024] [Peacock et al 1980] [Pearce et al 2002] [Pelevin and Ponomarev 2018] [Pelevin and Ponomarev 2021] [Peng 2023] [Peng and Zhong 2022] [Morris et al 2002] [Purvis 1984] [Purvis and Meehan 1984] [Qian et al 2016] [Qin et al 2008] [Qin et al 2013] [Ramalingam et al 2003] [Rogers and Kaplan 1963] [Rohl and Cowling 1965] [Roland and Rumpfkeil 2017] [Rubey 1985] [Rubey 1985] [Rudey and Grobman 1978] [Rued et al 1991] [Ruhnke et al 1965] [Ruoling et al 2012] [Schneider and Myers 1979] [Schneider et al 2003] [Schobert 2007] [Schobert 2008] [Serio et al 1998] [Shumway 2000] [Sicard et al 2008] [Smits 1986] [Smooke and Gomez 2012] [Song et al 1992] [Southwest Research Inst San Antonio Tx 1963] [Stone 1975] [Streby et al 1999] [Striebich et al 2008] [Sun et al 2005] [Sun et al 2019] [Sun et al 2025] [Petley and Jones 1990] [Torres et al 2009] [Tran and Chen 1998] [Violi 2013] [Von Eckartsberg et al 2025] [Vuchuru and Dinda 2024] [Wang 2004] [Wang 2004] [Wang et al 2006] [Wang et al 2020] [Wang et al 2023] [Wang et al 2024] [Wang et al 2025] [Wang et al 2025] [Wang et al 2025] [Waynick et al 2002] [Wickham et al 1999] [Wickham et al 2002] [Wickham et al 2005] [Wickham et al 2008] [Wong and Bittker 1982] [Xie et al 2025] [Xin et al 2023] [Xin et al 2025] [Xu et al 2018] [Xu et al 2023] [Yang et al 2024] [Yang et al 2025] [Yang et al 2025] [Yeh et al 2017] [Yin et al 2024] [Yong-sheng and Rui-sen 2005] [Yue et al 2010] [Yue et al 2016] [Zabarnick et al 2008] [Zhang et al 2015] [Zhang et al 2023] [Zhang et al 2024] [Zhao et al 2018] [Zhao et al 2023] [Zheng et al 2021] [Zhou et al 2008]

The X-51A carried 270 pounds of JP-7 and that same 270 pounds was the engine’s coolant, so the fuel had to cool the engine on its way to being burned in it.

Shock and boundary layer interaction

Where the flowpath’s difficulties actually live. Shock impingement on boundary layers, separation, viscous interaction and the entropy layer.

202 records. [A computational study on 1994] [Adams et al 1976] [Agostini et al 2013] [Altstatt 1977] [Ardonceau 1984] [Aso et al 1992] [Babinsky 2002] [Babinsky 2007] [Babinsky and Délery 2011] [Ballaro and Anderson 1991] [Barberis and Molton 1995] [Barnhart et al 1988] [Batcho and Sullivan 1988] [Beketaeva et al 2016] [Benay 2003] [Benay and Pot 1986] [Bergier] [Bhagwandin and DeSpirito 2011] [Bhanderi and Babinsky 2005] [Bogdonoff 1990] [Bohning and Doerffer 2002] [Bourgoing and Benay 2005] [Boyd 2004] [Brown et al 1986] [Brown 2014] [Bur et al 2002] [Burt and Josyula 2013] [Candler 2011] [Canoville and Lewis 2025] [Carroll and Dutton 1989] [Chakravarty and Narayanaswamy 2026] [Chandler 2003] [Chen et al 2016] [Chern et al 2014] [Chow 1979] [Chuck and Eberhardt 1990] [Comfort and Todisco 1969] [Comparison of flowfield surveys 1994] [Cresci and Rubin 1980] [Cui et al 2022] [Damazo et al 2012] [Davis 2015] [De Tullio and Sandham 2012] [Debiève and Dupont 2009] [Degrez and Ginoux 1983] [Degrez and Ginoux 1987] [Deshpande and Poggie 2017] [Deshpande and Poggie 2020] [Deshpande and Poggie 2021] [Dolling 1993] [Dolling 2000] [Dolling and Gramann 1986] [Drikakis and Rana 2015] [Du et al 2022] [Dunagan] [Dupont et al 2011] [Dvořák 1965] [Dwoyer 1973] [Effects of chemical nonequilibrium 1969] [Erb and Hosder 2018] [Evolution of Disturbances from 2024] [Gaglio and Bevilacqua 2026] [Galli et al 2004] [Garrison et al 1994] [Gartling 1970] [Gawehn et al 2022] [Ge and Gan 2026] [Gerolymos et al 2003] [Giehler] [Giehler et al 2023] [Glass 2003] [Gol’dfel’d 1985] [Grasso and Falconi 1993] [Gupta] [Hadjadj and Dussauge 2009] [Hallgren and Anderson 1991] [Hamed 1993] [Hamed and Kumar 1992] [Harney and Petrie 1971] [Harvey 2011] [Hatayama et al 2025] [Hillier and Netterfield 1990] [Holden 1970] [Holden 1972] [Holden 1977] [Holden 2000] [Holden 2011] [Holden et al 2001] [Holden et al 2010] [Horstman 1987] [Horstman 1991] [Hossain Joy et al 2017] [Hung and Buning 1984] [Hung and Maccormack 1978] [Hunt and Nixon 1995] [Hypersonic Viscous Interactions 2006] [Hypersonic Viscous Interactions 2019] [Inger 1984] [Inger 1986] [Inger 1995] [Inger 1995] [Inger 2011] [Inger and Rangwalla 1988] [Jammalamadaka et al 2014] [Kaneko and Nakamura 1999] [Kaneko et al 2000] [Kimmel and Prabhu 2015] [Kluwick and Stross 1984] [Knight 2015] [Knight and Kianvashrad 2023] [Knight and Zheltovodov 2011] [Kokkinakis et al 2023] [Kong et al 2024] [Kuntz et al 1986] [Kuntz et al 1987] [Kussoy et al 1993] [Kussoy and Horstman 1989] [Law 1976] [Lee and Gross 2021] [Lee and Gross 2022] [Lee et al 2005] [Lees and Reeves 1964] [Leger and Poggie 2014] [Levy et al 1977] [Li 1977] [Li 2019] [Li and Shi 1993] [Liou et al 2000] [Liu and Squire 1986] [Lugrin] [Lüdeke and Schülein 2003] [Malik] [Mashburn 1969] [Mateer et al 1976] [Matsuo et al 2023] [McLean and Matoi 1986] [Mee] [Meyer et al 1997] [Mikulla and Horstman 1976] [Mittal et al 2026] [Munuswamy and Govardhan 2022] [Murray and Hillier 2009] [Murugan and Govardhan 2016] [Muruganandam et al 2026] [Numerical Analysis of Two-Dimensional 2015] [Ogawa and Babinsky 2008] [Optimization design of dual 2023] [Pal and Roy 2024] [Pane] [Peake] [Perrot and Hadjadj 2005] [Poggie 2006] [Poggie 2008] [Polivanov et al 2010] [Polivanov et al 2016] [Popinski 2019] [Porter and Poggie 2017] [Povitsky et al 2021] [Quadros and Bernardini 2018] [Raghunathan and McAdam 1983] [Rahman et al 2017] [Reshotko 1987] [Saida 1986] [Samtaney and Pullin 1998] [Sandham 2026] [Schuelein 2014] [Scuderi 1978] [Settles and Dodson 1994] [Shang et al 1976] [Shinde and Gaitonde 2022] [Shock Wave-Boundary Layer Interactions] [Simeonides] [Simmons 1989] [Singh et al 1989] [Stollery 1990] [Szwaba and Doerffer 2017] [Tan and Bogdonoff 1985] [Tang et al 2025] [Threadgill and Bruce 2015] [Tinney 2014] [Tong et al 2022] [Touré and Schuelein 2017] [Verma et al 2014] [Volpiani 2021] [Votta et al 2011] [Wang et al 2024] [Warning and McQuilling 2022] [Wei et al 2026] [Wideman et al 1994] [Wideman et al 1995] [Wu et al 2024] [Wu et al 2026] [Yan et al 2020] [Yang et al 2017] [Yoon and Chung 1996] [Zhang et al 2020] [Zhang et al 2026] [Zhang et al 2026] [Zheltovodov and Knight 2011] [Zhikharev 1993] [Zhong and Lee 1996] [Zuo et al 2023]

An isolator exists because this interaction exists, and its length is chosen so that a shock train has somewhere to sit without reaching the inlet throat.

High-temperature materials and structures

What the vehicle is actually made of, and it is the cluster the first flight ended in. Refractory alloys, ceramic matrix and carbon-carbon composites, coatings, high-temperature seals, thermal stress and hot structures.

168 records. [Adelman and Robinson 1978] [Ali Hussein 2019] [Ardema 1972] [Ault 1965] [Baker 1975] [Barnett and Starrett 1994] [Berkovits 1973] [Berthelot et al 2026] [Blum 2006] [Bodryakov 2014] [Bodryakov 2015] [Bodryakov 2018] [Boettinger 1988] [Boggs and Davidson 1960] [Boland et al 2023] [Bonnell 2000] [Bootle 1999] [Cazier and Ricketts 1991] [Characterization of High-Temperature Materials 2014] [Choi and Alexander 2008] [Collier 1992] [Composite, high-temperature dynamic seal 2007] [Danquah et al] [Daub et al 2020] [Delale and Liaw 1989] [DeMange et al 2007] [Demange et al 2014] [Development of friction-seal materials 1957] [Dittert and Kütemeyer 2017] [Dong and Li 2012] [Duesbery and Louat 1992] [Duesbery and Louat 1994] [Eason and Spottswood 2013] [Edwards et al 1951] [Eldridge 1988] [Evans et al 2011] [Expandable high-pressure, high-temperature seal 2015] [Fokin 2020] [Folweiler 1962] [Franklin and Bennett 1971] [Friedman 1965] [Friedman et al 1967] [Gaal 1974] [Gao et al 2023] [Gardi et al 2015] [Gardner 1964] [Gopinath et al 2019] [Grunlan et al 2010] [Haftka and Shore 1979] [Harrison 1976] [Heathman and Kelly 1966] [Hemming 1966] [High temperature materials] [High Temperature NASP Engine 1992] [High-temperature and high-pressure seal 2010] [High-temperature axial seal 2011] [High-temperature dynamic seal 2010] [High-Temperature Materials and Mechanisms 2014] [High-Temperature Materials Chemistry and 2014] [High-Temperature Materials Processing 2014] [High-temperature seal assembly 2015] [Huang et al 2025] [Hunt 1976] [Hunter 1981] [Hyers 2009] [Ifflnder and Keller] [Igari 2019] [Integrated transient thermal-structural finite 1981] [Iwashita 2015] [Iwashita 2026] [Jaskowiak and Dickens 2005] [Kelly 1972] [Kelly 1972] [Kerans 2002] [Knott 1984] [Ko and Jackson 1992] [Konovalikhin et al 2018] [Kozlovskii and Stankus 2014] [Krikorian 1960] [Li 2008] [Li et al 2020] [Light High-Temperature Aluminum Alloys 1992] [Lohner and Yang 2002] [Lowell 1963] [Lu and Mahapatra 2008] [Ma and Liu 2026] [Mahapatra et al 2008] [Marschall 2011] [Marshall and Davis 2001] [Marshall et al 2014] [McCOWN et al 1966] [McMillin 1969] [Mendiratta and Choudhury 1978] [Metallic SEAL Rings for] [Miller 1999] [Miller et al 2011] [Miyazaki et al 1986] [Morrison 1985] [Mukherjee and Thomson 2009] [Nadler 2003] [Narayanan et al 1992] [Nobe 1975] [Nondestructive Evaluation and Health 2014] [Odabas and Sarigul-Klijn 1992] [Orikasa and Watanabe 2025] [Paquette and Palko 2004] [Parker 2022] [Parthasarathy et al 2014] [Patra and Lee 2018] [Paul et al 2014] [Percy and Fields 1990] [Plank 1975] [Plank and Penning 1973] [Pozefsky 1989] [Preliminary Thermal/Structural Analysis of 1992] [Agrawal et al 2026] [Probabilistic Assessment of Thermal 1992] [Rahimi et al 2026] [Raj 1987] [Rauh et al 2026] [Recent Advances in Structures 1978] [Reimer et al 2026] [Rodriguez-Segade et al 2020] [Rogers et al 1976] [Rowley and Thornton 1994] [Sacks 1996] [Sankar and Kelkar 1995] [Santhy et al 2022] [Seal between two elements 2011] [Slapikas et al 2022] [Smarslok 2015] [Steinetz 1990] [Steinetz 1992] [Steinetz et al 1991] [Steinetz et al 1991] [Steinetz et al 1992] [Stewart 1981] [Stoloff and Jone 1997] [Stroud and Rummler 1980] [Sutton et al 1997] [Swanson et al 2007] [Swanson et al 2015] [Takahashi 2012] [Tandon et al 2006] [Teng et al 2012] [Thermal Structural Analysis of 1992] [Thermal Structures and Materials 1992] [Thornton and Dechaumphai 1984] [Thornton and Dechaumphai 1986] [Tomar 2012] [Tong and Steinetz 1991] [Transient Thermal-Structural Analysis Using 1992] [Turcotte 1987] [Tyagi and Achary 2017] [Vaughan and Schwartz 1962] [Vedula 1989] [Vlach 2014] [Weber et al 1997] [Westinghouse Electric Corp Pittsburgh Pa 1967] [White 2004] [White and Andrikidis 1996] [Wieting et al 1988] [Wimber 1976] [Wolfe 1964] [Wu et al 2015] [Wu et al 2020] [Xue et al 1994] [Zhou 2018]

The engine grew about three quarters of an inch when it got hot [X-51 scramjet engine demonstrator, GlobalSecurity], and the seal that had to accommodate that growth is what ended the first flight early.

Real gas effects and chemical nonequilibrium

Why the combustion has to stay supersonic. Dissociation, vibrational relaxation, chemical kinetics, high-enthalpy flow and the reaction mechanisms of air and of hydrocarbon combustion.

168 records. [Agarwal 2002] [Alferov et al 2007] [Allouche and Haoui 2006] [Bansal et al 2010] [Bansal et al 2010] [Bauer 1967] [Bellan 2012] [Bhagwandin and Sahu 2023] [Bhutta and Lewis 1988] [Birrer and Stemmer 2012] [Bortner 1964] [Boyd 1990] [Boyd 1999] [Boyd 2002] [Boyer et al 1960] [Bradley and Magee 1995] [Bruno 1989] [Caledonia and Krech 1994] [California Inst Of Tech Pasadena 1990] [Candler 1989] [Candler 1989] [Candler 2001] [Candler 2010] [Candler 1989] [Candler and Park 1988] [Chang 1962] [Chapter 5 Physicochemical Models 2013] [Chapter 9 Model of 2013] [Chemical and Vibrational Nonequilibrium 2006] [Chemical and Vibrational Nonequilibrium 2019] [Chemical Kinetics of High 1962] [Chen and Wu 2018] [Chen et al 2012] [Chen et al 2021] [Chen et al 2021] [Clarey and Greendyke 2018] [Clarke 1989] [Combustion Chemistry of Chain 1978] [Cornell Aeronautical Lab Inc Buffalo Ny 1963] [Edwards and Babikian 1987] [Elder 1980] [Ellison and Johnson 1964] [Fontijn 1987] [Gao et al 2014] [Gay and Brehm 2025] [Gazaix 1992] [Delwert and Eltetberg 1998] [Gimelshein 2019] [Goin 1961] [Golovachev 1979] [Golovachev 1979] [Golovachev 1981] [Golubinskii and Golubkin 1983] [Graber 1964] [Grossman and Cinnella 1990] [Grunbok et al 2023] [Gupta and Agarwal 2001] [Hansen 1991] [Hao et al 2016] [Harney 1963] [Hassan et al 1992] [He et al 2021] [Heinbockel and Landry 1995] [Hermann 1965] [Higgins et al 2002] [High-Temperature Gas Dynamics and 2009] [Hornung 1991] [Hucknall 1985] [Hucknall 1985] [Huffman and Davidson 1958] [Human 2002] [Hypersonic Nonequilibrium Flows Fundamentals 2015] [Inger 2008] [Inger et al 2001] [Josyula and Bailey 2003] [Josyula and Shang 1992] [Josyula and Vedula 2015] [Kang and Dunn 1972] [Koschel et al 1998] [Kydd 1959] [Le et al 2012] [Lehoczky 1977] [Lenard et al 1962] [Levin 2015] [Levy 1982] [Li 1974] [Lindstedt and Markaki 2009] [Ludwig and Sulzmann 1961] [Lumpkin and Chapman 1991] [Ma and Zhong 1999] [Maccormack 1989] [Margaritis et al 2024] [Maus et al 1983] [McCracken 1970] [McQuaid 2013] [Menne et al 1994] [Metghalchi 2009] [Meuwly 2014] [Miner and Lewis 1974] [Molvik and Merkle 1989] [Montagne et al 1988] [Montagne et al 1989] [Moretti and Byrne 1964] [Moss and Simmonds 1987] [Mott and Oran 2001] [Musal 1962] [Nagamatsu et al 1960] [Naumann et al 1993] [Ng and Dressler 2002] [Nguyen-Bui and Duffa 2004] [Non-empirical analytical model of 2019] [Numerical Modeling of Combustion 1991] [O’Byrne et al 2014] [Olivier et al 1993] [Oswald et al 1995] [Park 1996] [Petrie 1965] [Prabhu 1995] [Prabhu and Tannehill 1984] [Radiation Properties of Hypersonic 2018] [Raghunandan and Ruffin 2016] [Rajan 1970] [Riedelbauch and Brenner 1990] [Rose and Teare 1964] [Rouel and Richards 1975] [Rouel and Richards 1975] [Roy 2008] [Roy et al 2011] [Salooja 1968] [Sardeshmukh et al 2014] [Sawley and Wüthrich 1995] [Sayapin 1966] [Scherding] [Scherding et al 2024] [Schwartzentruber et al 2012] [Scott 1992] [Seshadri 1990] [Stalker 1989] [Stemmer and Adams] [Stone 2024] [Study of Combustion and 1991] [Subrata 2007] [Surzhikov and Surzhikov 1997] [Swigart 1963] [Tam and Li 1989] [Tchuen and Burtschell 2011] [Thermodynamics of Real Gas 2010] [Thirunavukkarasu and Ghosh 2023] [Thompson 2015] [Trella and Vaglio-Laurin 1964] [Tsuboi et al 2008] [Varma and Zhong 2022] [Viscous Shock-Layer Predictions for 1983] [Volkov 2023] [von Elbe 1955] [Wang 2007] [Wang 2014] [Wang 2014] [Wang et al 2026] [Welsh et al 1979] [Windisch et al 2012] [Woodward and Mesrobain 1953] [Wurster and Marrone 1962] [Yeh et al 2023] [Zeng et al 2016] [Zhang et al 2022] [Zhong 2000] [Zivanovic 1963]

Slowing Mach 5 air to subsonic before burning it would leave the stagnation temperature where it is and put the static temperature where diatomic gases come apart, and a gas that has come apart will not release its energy again on the way out.

The waverider shape and compression lift

The name on the aeroplane. Waverider generation from conical and osculating flowfields, compression lift, shock-attached leading edges, the lift-to-drag ratio such shapes reach, and the oblique shock relations they are designed from.

163 records. [Chang 1992] [Sandlin and Pessin 1993] [Cockrell et al 1995] [Ames and Tang 2021] [Appendix C Oblique Shock 2015] [Armstrong and Latimer 1969] [Babu 2020] [Baron and Efrat 1979] [Bedanand Mandal 2025] [Ben-Dor 1978] [Ben-Dor 1978] [Ben-Dor 2001] [Blankson and Hagseth 1993] [Blankson et al 1998] [Borovoi et al 1996] [Broadaway 1984] [Buttsworth and Morgan 1995] [Bykerk et al 2020] [Cao et al 2007] [Center et al 1991] [Chauffour and Lewis 2003] [Chen et al 2019] [Chuanzhen et al 2022] [Cockrell 1994] [Cockrell et al 1996] [Cramer 2001] [Cui et al 2015] [de Moura and Ribeiro 2026] [Design of a hypersonic 1993] [Duran and Zeng 2026] [Edquist and Lewis 1993] [Emanuel 1992] [Emanuel 1992] [Emanuel and Yi 2000] [Ferguson and Anderson 1993] [Ferguson et al 2015] [Ferguson et al 2015] [Finley and Cockrell 1995] [Ghosh and Ogawa 2022] [Giampetro 2026] [Giampetro et al 2026] [Gillum et al 1994] [Glass and Sislian 1994] [Gusev and Chinilov 2003] [Guzmán-Bohórquez et al 2025] [Hagseth and Blankson 1993] [Han et al 2025] [Haney 1995] [Haney et al 1993] [He et al 2009] [Hemanth et al 2009] [Higashino et al 1995] [Hu et al 2018] [Hugo and Lago 2022] [Hung 1982] [Cockrell 1993] [Isaac and Miles 1990] [Jade et al 2025] [Javaid and Serghides 2003] [Javaid and Serghides 2004] [Kim et al 1982] [Klothakis and Nikolos 2024] [Knittel and Lewis 2012] [Kobayashi and Adachi 2015] [Kobayashi and Adachi 2017] [Kobayashi et al 2018] [Kostyukov 1980] [Lee and Glass 1982] [Lewis 1991] [Li 2007] [Li and Chen 2011] [Li and Wang 2011] [Li et al 2020] [Lin and Luo 1995] [Ling et al 2025] [Liu 1995] [Liu et al 2014] [Liu et al 2016] [Liu et al 2018] [Liu et al 2020] [Lobbia 2015] [Lobbia and Suzuki 2003] [Lunan 2015] [Mani and Haney 1994] [Maxwell 2016] [Maxwell 2017] [Maxwell and Phoenix 2017] [Miller et al 1997] [Moran et al 2023] [Morita et al 2020] [Mursenkova et al 2021] [Mursenkova et al 2022] [Mursenkova et al 2023] [Noraml and Oblique Shock 1986] [Normal and Oblique Shock 1986] [Norris 2006] [Numerical Simulations of Oblique 2006] [O’Brien and Lewis 2000] [Oblique Shock and Expansion 2019] [Oblique Shock Wave Angle 2000] [Oblique Shock Wave Angle 2015] [Oblique Shock Waves 2013] [Oblique Shock Waves in 1983] [Oblique-Shock Chart 2017] [Olfe 1964] [Palomero] [Pfaff 1968] [Piccirillo et al 2023] [Pisano and Whitfield 2024] [Qiao et al 2025] [Rao et al 2023] [Rasmussen 1978] [Rasmussen and Stevens 1987] [Rault 1992] [Rizzetta 1994] [Rizzetta 1996] [Rodi 2012] [Rodi 2018] [Rodi 2020] [Saheby et al 2017] [Santos 2008] [Santos 2011] [Santos 2012] [Saqib and Linshu 2007] [Shi et al 1994] [Shvets et al 2005] [Silvester and Morgan 2004] [Smart and Kalkhoran 1995] [Smart and Kalkhoran 1995] [Smart et al 1998] [Son et al 2022] [Srivastava 1994] [Srivastava 1994] [Starkey and Lewis 1999] [Starkey et al 2005] [Stecklein et al 1993] [Steelant and van Duijn 2011] [Takama 2011] [Takashima and Lewis 1995] [Takashima and Lewis 1996] [Takashima and Lewis 1999] [Takashima et al 1996] [Takashima 1992] [Tarpley and Lewis 1993] [Tarpley and Lewis 1995] [Tarpley and Lewis 1995] [Tarpley et al 1996] [Tincher and Burnett 1992] [Tsai et al 1992] [Utheza et al 1996] [Cockrell 1994] [Wang et al 2024] [Waverider Aerodynamics 1986] [Weaver and Hunsaker 2025] [Wu and Xiao 2009] [Xiao-Qing et al 2011] [Xiaoqing et al 2010] [Yan et al 2016] [Yan et al 2018] [Yankui et al 2005] [Yao et al 2017] [Yatsukhno 2020] [Yoon and Rasmussen 1991]

The shape exists to ride its own shock, which is a statement about lift and a statement about where the engine’s air comes from. 51 of these titles name an oblique shock.

Computation of hypersonic flow and its validation

How the flowpath is designed, since it cannot be flown first. Navier-Stokes and Euler solvers, particle methods, large eddy simulation, turbulence and chemistry models, and validation against experiment.

152 records. [Abarbanel 1977] [Abbass 2024] [Abolhassani et al 1987] [Adams 1998] [Advisory Group for Aerospace Research and Development 1993] [Alliney et al 2025] [Amato et al 2026] [Armstrong 1979] [Avcilar and Celik 2026] [Azevedo and Korzenowski 1998] [Baganoff 1990] [Barber and Cox 1989] [Barber and Cox 1988] [Bardina and Lombard 1987] [Baruzzi et al 2021] [Boyd 2008] [Boyd 2013] [Boyd 2015] [Brief Review of Computational 2024] [Bruno 2023] [Brykina 1996] [Candler and Nompelis 2002] [Casseau et al 2022] [Catalano and Sturek 2001] [Catalano and Sturek 2001] [CFD Applications to Engine/Airframe 1986] [Chakravarthy et al 1988] [Chang and Cheng 1963] [Chapter 18 Near-Wall Domain 2013] [Chapter 7 Navier-Stokes-Based Numerical 2013] [Chen et al 2008] [Chen et al 2018] [Chourushi et al 2021] [Clement 2018] [Computational Fluid Dynamic Methods 2009] [Computational Fluid Dynamics Continuity 2000] [Computational Fluid Dynamics Design 1990] [Computational Fluid Dynamics Using 2000] [Computational-Fluid-Dynamic Solutions of Hypersonic 2006] [Computational-Fluid-Dynamic Solutions of Hypersonic 2019] [Conway and Johansson 2001] [Cutler and Magnotti 2008] [Cutrone 2023] [Cvrlje et al 2000] [Davis 1988] [Daywitt et al 1993] [Decker 2010] [DeSpirito 2009] [DeSpirito 2014] [DeSpirito 2015] [Dharavath et al 2015] [Di Giovanni and Stemmer 2018] [Dwoyer and Kumar 1987] [Edwards 2014] [Egorov and Erofeev 1997] [Farrell and Martin 1998] [Ferziger and Leslie 1979] [Galera et al 2006] [Gamertsfelder et al 2022] [Gnoffo 1989] [Gnoffo et al 1987] [Gottlieb and Don 2008] [Haley and Zhong 2017] [Hodge 1976] [Hoffmann 2000] [Holden et al 2008] [Hommel 1989] [Hooper] [Hui and Hu 2006] [Hypersonic Aerodynamics on the 2019] [Ilie et al 2023] [Josyula and Shang 1990] [Kitamura and Shima 2011] [Kitamura et al 2007] [Knight 2002] [Knight and Yan 2000] [Korte and McRae 1989] [Kumar] [Kumar Sulur Loganathan 2023] [Labbé et al 1999] [Lawrence 1992] [Li and Wey 1988] [Li et al 2014] [Liu 2023] [Liu and Lu 2011] [Liu et al 2005] [Lofthouse et al 2002] [Loh and Hui 1991] [Majumdar 2011] [Mallikarjun et al 2023] [Marconi et al 1976] [Marcum 2000] [Matsukawa 2011] [Matsuyama et al 2003] [McGrory 2001] [Mendoza 1995] [Merkle 2007] [Moreira and Azevedo 2005] [Morinishi 1999] [Mueller 1989] [Muslubas and Eyi 2015] [Myong 1999] [Nagdewe and Shevare 2006] [Nakamori and Nakamura 1995] [Navier-Stokes Equations for Partially 2018] [Nichols et al 2011] [Nichols et al 2015] [Nompelis et al 2005] [Nompelis et al 2007] [Nompelis et al 2011] [Noori and Karimian 2008] [Palmer and Venkatapathy 1993] [Perrier and Rostand 1994] [Portis et al 2024] [Povinelli 1991] [Povinelli 1996] [Prakash et al 2010] [Pruett and Chang 1998] [Reklis and Conti 1984] [Riedelbauch et al 1989] [Righi 2015] [Rizzetta and Visbal † 2004] [Baurle et al] [Rowan Gollan] [Saric 2012] [Schaupp and Friedrich 2010] [Schmatz 1989] [Schwartzentruber and Boyd 2013] [Shilnikov and Elizarova 2018] [Shvydkyi 2023] [Srinivas 1992] [Stewart et al 1992] [Tang et al 2005] [Tanjung 2022] [Tchuen et al 2008] [Thomas et al 1991] [Thome et al 2018] [Thompson 2025] [Wada 2026] [Wang et al 2007] [Watkins 1990] [White 1993] [Williams et al 2001] [Wilson et al 2009] [Xu and Mao] [Xu et al 1996] [Yao et al 2006] [Zhao 2021] [Zhong 2007] [Zhong and Furumoto 1998] [Zhou and Davidson 1995] [Zilberter and Edwards 2016]

A scramjet combustor is a turbulent reacting supersonic flow, which is close to the hardest thing this discipline asks a code to do.

Hypersonic vehicle concepts, programmes and system studies

Where the components become a vehicle. Design studies of hypersonic cruise and access-to-space vehicles, programme overviews and histories, and the multidisciplinary sizing and optimisation methods that join the subsystems of the clusters above.

123 records. [A preliminary component analysis 1988] [Advisory Group for Aerospace Research and Development 1997] [Airbreathing Hypersonic Aircraft and 1997] [Alberico 1992] [Alkamhawi et al 1990] [Arai et al 2008] [Araújo et al 2024] [Atkins 2026] [Becker 1970] [Benton 1990] [Bhungalia et al 2000] [Bogdonoff 1999] [Bonelli et al 2011] [Bonnefond et al 1996] [Bowcutt 2001] [Boyd 2024] [Bricker et al 1989] [Chavez and Schmidt 1993] [Che and Tang 2008] [Chudoba et al 2015] [Combs 1977] [Curran et al 2003] [Dalle and Driscoll 2012] [Davis and Grindle 2007] [Dietrick 2013] [Doolan 2006] [Escher and Ehrlic 2000] [Kirkham et al 1975] [Fain et al 2026] [Feng et al 2026] [Flaherty et al 2010] [Froning 2006] [Fu et al 2024] [Fusaro and Viola 2020] [Gao 2023] [Geshele et al 2013] [Glass and Glass 2002] [Hallion 1998] [Harloff and Berkowitz 1988] [Harloff and Berkowitz 1990] [Hassan et al 2001] [Hearth and Preyss 1976] [Hermann and Schmidt 1995] [Herrmann et al 2025] [Hollanders et al 1992] [Hunt 1989] [Hunt and Eiswirth 1996] [Hunt and Rausch 1998] [Hunt et al 1978] [Hunt et al 1979] [Hunt et al 1997] [Hunt et al 1978] [McClinton et al 2001] [Hypersonic and Supersonic Flight 2023] [Hypersonic drone design A 1988] [Hypersonic Drone Vehicle Design 1988] [Ingenito 2021] [Ingenito et al 2009] [Jing and Shuo 2008] [Jing and Yuan-pei 2015] [Johnson et al 2001] [Khambaswadkar 2024] [Kokan et al 2004] [Kothari et al 2010] [Kuranov and Korabelnikov 2008] [Kuranov and Korabelnikov 2008] [Lee] [Lees and Kubota 1972] [Lewis 2010] [Lockwood et al 1996] [Lockwood et al 1999] [Lovell and Schmidt 1994] [Mackle] [Mackle et al 2024] [Maisaia 2023] [Maita et al 1990] [Martin et al 1998] [Maynard et al 2025] [Mayrhofer and Sachs 1999] [McClinton et al 1999] [McCormick et al 2010] [McDonald and Mavris 2000] [Messersmith 1995] [Murbach 1993] [Murray and Steelant 2009] [Nagel and Becker 1973] [Nangia 2011] [Palmer] [Perlini et al 2026] [Preller] [Preller and Smart 2012] [Priyamvada et al 2015] [Ren 2009] [Repic et al 1973] [Research and Technology Organisation Rto 2005] [Robinson, Jeffrey S. et al 2006] [Roth and Mavris 1999] [Rudiments and Methodology for 2001] [Schindel 1991] [Schweikart and Hallion 1998] [Scuderi et al 1998] [Shirasu et al 1996] [Silva Marques Soares et al 2021] [Smart and Tetlow 2006] [Sobieczky 1991] [Sobieczky 2026] [Starkey et al 2006] [Stein et al 1993] [Suchomel et al 2006] [Tachinina et al 2018] [Thibodeaux 2002] [Upadhyay et al 2019] [van der Heide et al 2026] [Van Der Kreek] [Wang et al 2019] [Ward and Smart 2026] [Wegener 1991] [Wegener 1997] [Wenkai et al 2017] [Voland et al 2005] [Young et al 2006] [Zhou et al 2017] [Zweber et al 2002]

The X-51A was a component demonstration and not a vehicle concept, and the overviews of its sibling’s programme sit here, 3 of these titles naming the X-43 or Hyper-X.

Airframe and propulsion as one object

A hypersonic vehicle has no separable engine. Airframe and propulsion integration, nozzle and afterbody expansion, installed thrust and its bookkeeping.

95 records. [Aarnes and White 1975] [Aarnes and White 1975] [Anderson 1990] [Bencze 1972] [Benson et al 1976] [Borovikov et al 1996] [Brown 1978] [Cassidy and Halley 1991] [Chen et al 2017] [Chen et al 2024] [Choi and Driscoll 2024] [Clark et al 2006] [Coniglio] [Cubbage et al 1970] [Cubbage et al 1967] [Denney et al 2012] [Doty et al 2011] [Early 2000] [Elements of Computational Engine/Airframe 1986] [Engelund et al 1999] [Engine/Airframe Performance Matching 1989] [Espinosa 2003] [Fan et al 2009] [Feifel and Kerkam 1992] [Fleming et al 2004] [Froning 1986] [Gary and McDonald 2014] [Gong et al 2006] [Gregory et al 1967] [Gronland et al 1997] [Gubanov 2019] [Gusev et al 1993] [Hahn 2012] [Hartill et al 1978] [Henderson 1987] [Henderson 1991] [High specific impulse propulsion 1987] [Hirschel et al 2025] [Huebner et al 2003] [Imrak et al 2021] [Jones et al 2021] [Jones and Huber 1978] [Kanda et al 2003] [Kanda et al 2007] [Keshmiri et al 2007] [Kirkpatrick] [Kitowski 1992] [Kopp et al 1999] [Koschel and Rick 1991] [Lamorte et al 2011] [Lewis 2003] [Lewis 2003] [Li and Geiselhart 2024] [Lin et al 1995] [Liston and Small 1992] [Liu et al 2009] [Mace and Nyberg 1992] [May and Richey 1979] [Mikhail 1979] [Mishler and Wilkinson 1992] [Morris and Brewer 1979] [Morris and Brewer 1979] [Narayan and Kumar 1989] [Nichols and Heikkinen 2010] [Nickerson et al 1988] [O’Brien and Lewis 2001] [O’Neill and Lewis 1992] [Optimal Aerodynamic Shapes Of 1996] [Patel and Chudoba 2026] [Perrier et al 1995] [Perrier et al 1996] [Piscitelli et al 2017] [Powers and Robinson 1992] [Propulsion System Performance and 1991] [Ramunno et al 2021] [Richey et al 1968] [Richey et al 1983] [Rodriguez 2007] [Sheffer and Dulikravich 1993] [Smith et al 2004] [Sullins and Billig 1987] [Szema et al 2010] [Takahashi 2005] [Waszkowski and Pisani 2025] [Weidner 1980] [Weidner 1992] [Weirich et al 1996] [White et al 1983] [Williams 1965] [Wilson and Benson 1978] [Wilson and Wright 1977] [Witte et al 2003] [Yao et al 2009] [Zhang and Tang 2015] [Zheng et al 2019]

The forebody is the inlet and the afterbody is the nozzle, so a drag bookkeeping error and a thrust bookkeeping error are the same error.

Boost, separation and getting to the start line

A scramjet cannot start from rest and this cluster is how the X-51A got to where it could work. Stage, booster and shroud separation, staging dynamics and the boosters that bring an air-breathing stage to its starting condition.

71 records. [Albertson et al 2012] [Allen 1964] [Aso et al 2018] [Bamber 1961] [Baysal and Luo 1998] [Bing and Gong 2015] [Black 1968] [Bordelon et al 2003] [Breitsamter et al 2001] [Cenko 1992] [Chamberlain and Baltar 1993] [Chao Song et al 2011] [Chase et al 1978] [Choi et al 2009] [Cvrlje 1999] [Cvrlje and Laschka 2001] [Dalle et al 2016] [Decker and Laschka 2001] [Dettling and McIntyre 1978] [Duan et al 2024] [Eggers 2003] [Eklund 2004] [Elchert 1982] [Gea and Vicker] [Gong et al 2017] [Guo et al 2025] [Hank et al 2006] [Hohn and Guelhan 2015] [Jacobson 1952] [Jayanthi and Jain 2019] [Jeyakumar et al 2005] [Johnson and Sorenson 2006] [Kim et al 2023] [Lanshin et al 1996] [Lepsch and Naftel 1993] [Lepsch and Naftel 1992] [Li et al 2012] [Liao et al 2023] [Liever et al 2004] [Luo and Baysal 1999] [Marcum 2001] [McGill 2000] [Mehta et al 2012] [Morani et al 2026] [Murphy et al 2004] [Naftel et al 1986] [Newman et al 1992] [Okamoto et al 2002] [Pamadi et al 2004] [Pamadi et al 2006] [Pamadi et al 2009] [Peng and Smith 1996] [Reubush 1999] [Reubush et al 2001] [Rodighiero] [Rothschild and Schuster 1999] [Smith and Chase 1976] [Suzuki 2016] [Tarfeld 2003] [Tsukamoto et al 2003] [Unsteady interaction mechanism of 2023] [Wang and Ma 2024] [Wang and Wang 1997] [Wang and Wang 2024] [Wang et al 2017] [Wang et al 2023] [Wen et al 2027] [Wingfield 2001] [Zaehringer et al 2003] [Zhao et al 2011] [Zhong and Wu 2021]

A twenty-six second rocket burn supplied eighty-nine percent of the vehicle’s kinetic energy, and the engine under test supplied the rest across two hundred and ten seconds.

The atmosphere and the flight condition

The medium, named rather than assumed, and it matters more here than usual. Standard atmosphere properties, the density of the upper atmosphere and the speed of sound at altitude.

47 records. [A Properties of Standard 2006] [Air Force Test Pilot School Edwards Afb Ca 1962] [Appendix A Standard Atmosphere 2021] [Appendix A. The Standard 2011] [Appendix B Properties of 2003] [B-34. U. S. Standard 1963] [Comparison of high-altitude rocket 1960] [Comparison of high-altitude rocket 1960] [Definition of the standard 1954] [El-Kebir and Ornik 2020] [Gringorten 1967] [Gringorten and Tattelman 1970] [Herbert] [High-altitude atmospheric density 1960] [Hïgh-altitude atmospheric density 1960] [ICAO Standard Atmosphere 2021] [International Standard Atmosphere 2010] [Kaushik 2018] [Kurzke and Halliwell 2018] [Kurzke et al 2025] [Pressures and Temperatures for 2000] [Properties of the U.S 2014] [Properties of the U.S 2024] [Report No. 538, altitude-pressure 1935] [Science Communication Inc McLean Va 1960] [Sellers and Hunerwadel 1977] [Space environment natural and] [Standard Atmosphere 1997] [Standard Atmosphere 2005] [standard atmosphere 2014] [Standard Atmosphere 2023] [Standard Atmosphere 2024] [Standard atmosphere chart 1927] [Standard atmosphere chart supersedes 1927] [Standard Atmosphere Data 1992] [Standard Atmospheric Profilesa aSource 2002] [Sterne 1958] [The Flight Environment Standard 2021] [The International Standard Atmosphere 2017] [The international standard atmosphere 2026] [The Standard Atmosphere 1964] [The Standard Atmosphere 1976] [Turns and Kraige] [U.S. Standard Atmosphere, 1976] [US Standard Atmosphere Model 2014] [Vaughan 2003] [Yager 2013]

The two powered flights cruised at 70,000 and 60,000 feet, a factor of 1.62 in density, so a comparison that averages them away is not a comparison.

Where the Framing Breaks Down

Five things in this article are weaker than the rest and the article would rather say so than be caught at it.

First, the heat load ratio is a scaling argument and not a calculation. It treats the heating rate as constant across each burn and it uses the velocity term of a stagnation-point correlation while omitting the density term, on the grounds that the two vehicles flew at broadly comparable dynamic pressures. The X-43’s second powered flight is recorded at a dynamic pressure near a thousand pounds per square foot [Voland et al 2005] [Marshall et al 2005] and the X-51A’s fourth flight computes to 2,750, so the density term is not negligible. At the X-43’s altitude the standard atmosphere gives 0.0106 kilograms per cubic metre against 0.1163 for the X-51A, and the square root of that ratio, 3.30, would raise the X-51A’s flux relative to the X-43’s and its heat load ratio from 2.51 to about 8.3. The omission therefore works against the article’s conclusion rather than for it, so the ratio stated above is the conservative one.

Second, the heat sink figure is a literature range and not a measurement of this fuel. No source consulted gives the heat sink the X-51A’s fuel system realised, so 1,075 to 1,505 British thermal units per pound is taken from the open literature on endothermic hydrocarbons, in which JP-7 itself reaches 3,233 kilojoules per kilogram, or 1,390 British thermal units per pound, at 700 degrees Celsius [Dinda et al 2021]. The 5.7 to 8.0 percent result inherits that range entirely.

Third, the energy share computation uses the boost and cruise Mach numbers of the fourth flight and treats the vehicle mass as constant. It burned 270 pounds of a roughly four thousand pound vehicle during the cruise, so the mass falls by under seven percent, and accounting for it would move the scramjet’s share slightly. The conclusion that the rocket did the great majority of the work does not depend on that correction.

Fourth, five results in this article rest on material and mixture properties this vehicle never published. The thermal penetration depths use a diffusivity for the nickel superalloy class, the implied engine length uses an expansion coefficient and a temperature rise from the same class, the heat flux and radiation temperatures use a nose radius given only as a range and an assumed emissivity, and the air flow uses a stoichiometric ratio for kerosene rather than for JP-7. Each of those is stated where it appears and none is presented as a measurement of this aeroplane.

The penetration depth matters most, and it is also the most robust. Its ratio between the two flights is the square root of the ratio of burn times and depends on no material property at all, because the diffusivity cancels. The absolute depths depend on it entirely.

Fifth, the specialist designation directory records plainly that no detailed design data for the X-51A has been published [Boeing X-51, Directory of U.S. Military Rockets and Missiles]. There is no published internal geometry against a design literature in which one is the starting point [Raymer, Aircraft design, a conceptual approach], no inlet contraction ratio, no combustor length, no isolator length and no engine mass. Every statement in this article about the flowpath is therefore about scramjets in general and not about this one in particular, and the article has tried to keep those two registers apart.

The Source Base

The survey rests on 4,909 research records assembled from Crossref, the NASA Technical Reports Server and the Defense Technical Information Center, of which 987 are report primaries, being 20.1 percent, split 309 from the first and 678 from the second, by the rule set out under The Definition of Primary. The median publication year is 2008. Of the 4,793 dated records, 1,761 were published before 2000, being 36.7 percent, and 1,684 in 2015 or later, being 35.1 percent.

The Keystone Is Carried by the Journal Literature

The keystone rests almost entirely on journal literature rather than on reports. Counting research titles that contain scramjet or supersonic combustion, the survey holds 947, of which 84 are report primaries, being 8.9 percent, and of the 85 titles that contain endothermic or heat sink, 4 are, being 4.7 percent.

That is a fact about where hypersonic propulsion was published. The subject was worked out by NASA Langley, the Air Force Research Laboratory and their contractors between roughly 1960 and 2010 and issued as reports, while the modern journal literature on scramjet combustion is enormous and international. A survey balanced across both dilutes the primary fraction even when every record in it is on subject.

Fuel heat-sink measurement and engine cycle accounting are thin in the reports as well as in the journals. Of the 9 research titles that contain cycle analysis or specific impulse, 1 is a report primary. Both are things a contractor measures and does not publish, and this article’s arguments about both rest on a small number of documents which are named where they are used.

The Aeroplane Has Almost No Literature of Its Own

Two research titles in 4,909 name the X-51, one being the programme’s own account of the flight demonstration [Hank et al 2008] and the other a study of the thrust of a generic vehicle of its form [Choi and Driscoll 2024]. The X-49 article reports the same kind of finding for the X-49, and it is a fact about programme literature. Counting titles, the waverider shape is named in 157, supersonic combustion or the scramjet in 947, the sibling programme that this article compares against in 30, and the aeroplane that used all of it in two.

The programme’s own flight test account is held by the Defense Technical Information Center, which refuses automated requests, and an archived copy of the document is retrievable. It is the 2013 paper by the 412th Test Wing on the waverider ground and flight test [X-51A Scramjet Demonstrator Program, Waverider Ground and Flight Test, Defense Technical Information Center]. It reports that only the fourth of the four flights was fully successful, and it gives no cause for the outcomes of the first three.

The Definition of Primary

Primacy is derived from the identifier, and on no other ground. A record is a report primary when its address is on the NASA Technical Reports Server or it carries a digital object identifier under the 10.21236 prefix, which Crossref registers for Defense Technical Information Center reports. The rule reaches most of the sibling programme’s flight reports, 22 of the 30 titles that name the X-43 or Hyper-X, and it does not reach the journal papers in which the same laboratories published, so 20.1 percent is a lower bound on how much of the survey is first-hand.

Thin Subjects

Seven subjects that this article’s derivations depend on have thin literatures. Each count below is the number of research records in this survey whose title carries at least one of the listed terms, with a hyphen read as a space.

Subject	Title terms counted	Records
transient heat conduction into a structure	transient heat, transient thermal, heat conduction, thermal penetration, penetration depth, heat soak, thermal soak	27
the seal at a hot joint and its thermal growth	seal, seals, sealing, thermal expansion, differential expansion, thermal growth	52
the control fin, its actuator and its lock	fin, fins, actuator, actuators, actuation, latch, latches, locking, freeplay, free play	46
the duration of a burn	duration, durations, endurance	8
engine cycle accounting and stream thrust	cycle analysis, specific impulse, stream thrust, force accounting, thrust accounting	11
radiation equilibrium of a hot surface	radiation equilibrium, radiative equilibrium, radiatively cooled	1
the range relation of a cruising air-breather	breguet, range equation	0

The seal is the first flight’s cause, and it is this article’s most concrete example of its own thesis. Of the 52 titles that name a seal or thermal growth, 10 name a hypersonic vehicle, a scramjet, an engine or an airframe.

The third flight’s cause has no title at all. Of the 46 titles on fins, actuators and their locks, none names a latch or a lock, and they treat fin aerodynamics and actuation.

Duration, the quantity the article turns on, is named in 8 titles, and none of them names a scramjet. They concern long-endurance and short-duration test facilities, flight telemetry and the thermal management of a long-endurance vehicle.

The accounting the article uses to bound the engine has 11 titles, and stream thrust, the method it names, appears in 1 of them. Transient conduction carries the distinction between a heating rate and a heat load, and 27 titles name it.

Two relations the article uses are settled rather than neglected. The range relation of a cruising air-breather is named in no title and radiation equilibrium of a hot surface in one, which is the shape a textbook subject takes.

Two subjects that are not thin carry the rest of the argument’s physics. Counting research titles that contain real gas, chemical kinetics, chemical nonequilibrium, dissociation, vibrational, high enthalpy or thermochemical, the survey holds 116, and counting those that contain high-temperature material, alloy, composite or ceramic, refractory, ceramic matrix, carbon-carbon or hot structure, it holds 76.

The claim that the engine was never the limiting item is not one a bibliographic survey can test, because a survey is a poor instrument for a claim about where a programme’s difficulty lay, and the X-45 article records the same limit for a negative claim of its own. The claim rests on four flight outcomes and their recorded causes, which is a small sample, and the Epistemic State says so.

What the Survey Admits

A record is admitted only when a person reading its title finds it on this article’s subject, meaning that it bears on a subject the argument uses, read in aeronautical, missile or high-speed flight, or as general theory and method with no application to an unrelated domain. The subjects are those of the clusters above.

The excluded records are mostly homonyms and distant domains, and the homonyms say something about this subject’s vocabulary, since nearly every technical word a scramjet uses is also used elsewhere. Specific impulse names electric and nuclear space propulsion and the chemistry of rocket propellants, inlet names the tidal inlets of a coast, the pelvic and thoracic inlets of anatomy and the particle separators of helicopter engines, endothermic names furnace atmosphere generators, thermal expansion names the mineralogy and solid-state physics of materials no aeroplane is built from, contraction ratio names microfluidics and metallurgy, shock names the physics of solids and explosives, seal names the shaft seals of turbines and of spacecraft mechanisms, Kantrowitz names a cardiac assist device and the physicist’s own oral histories, buzz names the noise of a fan, hypersonic names a class of small arms ammunition, and jet fuel names the toxicology of exposure to it and an engine starter. All of those are excluded.

Three classes are excluded because the section headed Out of Scope places them there, being hypersonic weapons policy and doctrine, glide vehicles treated by their guidance, control, trajectory, tracking or strategy, and rocket propulsion other than the booster. Aeronautics remote from the argument is excluded too, being turbine machinery as such, rotorcraft, subsonic transport and fighter programmes, the low-speed and transonic aerodynamics of vehicles that are not hypersonic, and jet noise.

Notices that are not research works are excluded, being every record whose title opens with the words Correction to, or with Correction, Clarification, Errata, Withdrawn or Withdrawal followed by a colon, and a record its publisher marks as removed. A record and its twin deposit are one document, so where two records carry the same title of five or more words and form a version pair, such as a meeting paper and its journal article, a preprint and its article, or a repository copy, only one is kept. Two records from one report server, two meeting papers and two book chapters are kept as distinct documents unless their records show one paper deposited twice. Book reviews, unsigned news items, encyclopedia and dictionary entries of two pages or fewer and the record of a whole conference volume, which lists a meeting’s papers and carries none of its own, are not admitted either, because they are not research works.

Several doubtful classes are kept, on the judgement that they belong to the literature this survey describes, and a reader who draws the line elsewhere would remove them. They are flight test methods, instrumentation and telemetry written for aircraft in general, flight control actuation and digital flight control in general, regenerative cooling of liquid rocket engines, since the coolant passage is the same device the scramjet uses, general computational fluid dynamics texts, classical transient conduction and thermal stress solutions with no stated application, thermal expansion of refractory metals, graphite, beryllium and its oxide and boron carbide, high-temperature seal glass, jet fuel quality, thermal stability and handling, projectile and missile aerodynamics at high Mach number, planetary entry aerothermodynamics, glide vehicles treated through their heating, aerodynamics or structures, and the low-speed aerodynamics of hypersonic configurations.

The survey has no residual cluster. Every title the reading kept belongs to one of the named literatures above, and the records that a broader grouping would have held were each read and either assigned to the literature their titles belong to or excluded.

Every research title has been read for relevance, so the off-topic share that remains is a matter of reading judgement. A reading of titles cannot show that a work is relevant in substance, so this is a statement about titles only.

Epistemic State

Historical Fact

The programme dates and cost, the designation date, the participating organisations, the vehicle dimensions and fuel load, the launch and boost arrangement, the four flight dates with their outcomes and recorded causes, and the burn durations. These come from the manufacturer’s announcements, the specialist designation directory, the Air Force and the general press, and are consistent across them except where noted.

Verified by Independent Derivation

Everything in this article expressed as a number is computed from published inputs and is reproducible from them. That covers the stagnation temperatures and their ratio, the isentropic stagnation pressure and density ratios, the dynamic pressures at both cruise conditions and the density ratio between them, the burn ratio against the X-43, the heating rate and heat load ratios, the Sutton and Graves heat flux across a range of nose radii and the radiation equilibrium temperatures it implies, the thermal penetration depths and their ratio, the isentropic area ratio and the Kantrowitz throat limit, the fuel flow rate and the air flow it implies at stoichiometric, the cooling power and its share of the fuel’s combustion energy, the fuel required for a three hundred second burn, the kinetic energy shares of the booster and the scramjet, the engine growth as a fraction of vehicle length and the engine length that growth implies, the powered distance, the product of specific impulse and lift-to-drag ratio the range relation yields, the net force and net specific impulse the flight realised, the burn fractions against the plan, and the programme arithmetic.

Analysis

The reading of duration as the quantity that converts a propulsion demonstration into a thermal one. The identification of the fuel’s dual role as the configuration’s binding constraint. The claim that the forebody, inlet, combustor and nozzle are one device rather than four.

Inference

That this engine, once lit and running on its working fuel, was not the component that limited its flights, and that its change from the starting fuel was a weaker point than its steady combustion. Both are inferred from four flights and three early endings, one of them caused by the engine itself, and that is a small sample. Three early endings are not a distribution.

What the Record Does Not Settle

Whether a scramjet can run for the hours an operational aircraft would need. Two hundred and ten seconds was the longest scramjet-powered flight in history when it was flown [Boeing X-51A WaveRider sets record with successful fourth flight], and it is three and a half minutes. Nothing in this record bears on the step from minutes to hours, and this article makes no claim about it.

What caused the second flight’s unstart. The Air Force announced a review of the telemetry [Second hypersonic flight ends prematurely, brings new flight test data, United States Air Force], and no finding of that review appears in the sources cited here.

Out of Scope

Rocket propulsion other than as the booster that got this vehicle to its start line, hypersonic weapons policy and doctrine, the boost-glide vehicles that carry no engine at all, and the turbine-based combined cycle work aimed at making such a vehicle take off from a runway.

Conclusion

The X-51A Waverider set out to show that a scramjet could run on a fuel you can put in a tank, and it did, for two hundred and ten seconds at Mach 5.

What it also showed, by falling short three times in three different ways, is where such an engine is weakest. A thermal seal cut the first flight short, a fin latch ended the third before the engine was lit, and the second ended when the inlet unstarted as the engine changed from ethylene to JP-7. Once the engine was running on JP-7 its combustion never stopped a flight, but getting it there stopped one.

Why a seal could end a flight of minutes is arithmetic, and this article has done it. A flight nineteen times longer than the X-43’s, at under a third the stagnation temperature and under a seventh the heating rate, still absorbs more than two and a half times the heat. Duration is not a scaling of the same problem. It is the arrival of a different one, in which the structure reaches equilibrium, every joint has to hold while the engine grows a quarter of a percent, and the engine’s coolant is the fuel you are trying to burn, whose capacity to absorb heat is between a twelfth and a seventeenth of the heat it makes.

And after all of it, the engine added about eleven percent of the vehicle’s energy while a rocket added eighty-nine. A cruise demonstration looks like that, and the split also measures the gap between demonstrating cruise and having an aircraft.

References

Books

• Anderson, Hypersonic and high-temperature gas dynamics
• Anderson, Modern compressible flow
• Bertin, Hypersonic aerothermodynamics
• Curran and Murthy, Scramjet propulsion
• Heiser and Pratt, Hypersonic airbreathing propulsion
• Hill and Peterson, Mechanics and thermodynamics of propulsion
• Raymer, Aircraft design, a conceptual approach
• Schlichting and Gersten, Boundary-layer theory

Reference

• Air Force Research Laboratory
• Boeing X-51 Waverider
• Boeing X-51, Directory of U.S. Military Rockets and Missiles
• Boeing X-51A WaveRider breaks record in first flight
• Boeing X-51A WaveRider sets record with successful fourth flight
• DARPA Blackswift
• Defense Advanced Research Projects Agency
• INCONEL alloy 625, Special Metals Corporation
• Jp-7
• Mgm-140 atacms
• Modified X-51A Waverider ready for next hypersonic test, United States Air Force
• NASA x-43
• Naval Air Station Point Mugu
• Scramjet
• Second hypersonic flight ends prematurely, brings new flight test data, United States Air Force
• Second X-51 hypersonic flight ends prematurely, Flight International
• U.S. Standard Atmosphere
• Waverider
• X-51 scramjet engine demonstrator, GlobalSecurity
• X-51 Waverider makes historic hypersonic flight, United States Air Force
• X-51A Scramjet Demonstrator Program, Waverider Ground and Flight Test, Defense Technical Information Center

Related Post

• X-Planes: Aerojet X-8 Aerobee
• X-Planes: Bell X-1
• X-Planes: Bell X-14
• X-Planes: Bell X-16
• X-Planes: Bell X-2
• X-Planes: Bell X-22
• X-Planes: Bell X-5
• X-Planes: Bell X-9 Shrike
• X-Planes: Bensen X-25
• X-Planes: Boeing X-20 Dyna-Soar
• X-Planes: Boeing X-32
• X-Planes: Boeing X-37
• X-Planes: Boeing X-40
• X-Planes: Boeing X-45
• X-Planes: Boeing X-46
• X-Planes: Boeing X-48
• X-Planes: Boeing X-50 Dragonfly
• X-Planes: Convair X-11
• X-Planes: Convair X-12
• X-Planes: Convair X-6
• X-Planes: Curtiss-Wright X-19
• X-Planes: Douglas X-3 Stiletto
• X-Planes: Framing and the Research Aircraft Model
• X-Planes: Grumman X-29
• X-Planes: Hiller X-18
• X-Planes: Lockheed Martin X-33
• X-Planes: Lockheed Martin X-35
• X-Planes: Lockheed X-17
• X-Planes: Lockheed X-27
• X-Planes: Lockheed X-7
• X-Planes: Martin Marietta X-23 PRIME and a Contested Assignment
• X-Planes: Martin Marietta X-24
• X-Planes: McDonnell Douglas X-36
• X-Planes: Micro-Craft X-43 Hyper-X
• X-Planes: North American X-10
• X-Planes: North American X-15
• X-Planes: Northrop Grumman X-47
• X-Planes: Northrop X-21
• X-Planes: Northrop X-4 Bantam
• X-Planes: Orbital Sciences X-34
• X-Planes: Orbital Sciences X-42
• X-Planes: Osprey X-28 Sea Skimmer
• X-Planes: Piasecki X-49 SpeedHawk
• X-Planes: Rockwell X-30 and the National Aero-Space Plane
• X-Planes: Rockwell-MBB X-31
• X-Planes: Ryan X-13 Vertijet
• X-Planes: Scaled Composites X-38
• X-Planes: Schweizer X-26 Frigate
• X-Planes: X-39, Reserved but Never Assigned
• X-Planes: X-41 Common Aero Vehicle
• X-Planes: X-44, One Designation and Two Aircraft

Research

• A computational study on 1994
• A global telemetry data 1988
• A Hypersonic Ground-Test Facility 2002
• A Hypersonic Test Capabilities 2002
• A preliminary component analysis 1988
• A Properties of Standard 2006
• Aarnes and White 1975
• Aarnes and White 1975
• Abarbanel 1977
• Abbass 2024
• Abbass 2024
• Abdel-Salam and Carson 2004
• Abdel-Salam et al 2000
• Abdel-Salam et al 2001
• Abdel-Salam et al 2001
• Abdollahi et al 2024
• Abedi et al 2020
• Abgrall 1991
• Abhishek et al 2025
• Abolhassani et al 1987
• Abuaf 1976
• Achambath et al 2019
• Acharya 2025
• Acharya and Murphy 1998
• Acharya et al 2020
• Acheson and Rothnie 2009
• Adami and Zhu 2007
• Adami and Zhu 2008
• Adams 1967
• Adams 1998
• Adams and John C. 1970
• Adams and Rubin 1958
• Adams et al 1973
• Adams et al 1976
• Adams et al 1984
• Adelman and Robinson 1978
• Aditya et al 2016
• Adolph 1981
• Advanced Fuel Research Inc East Hartford Ct 1957
• Advisory Group for Aerospace Research and Development 1993
• Advisory Group for Aerospace Research and Development 1997
• Aerodynamic Heating to the 1979
• Aerothermodynamics A Tutorial Discussion 1992
• Aerothermodynamics of the Dual-Mode 2001
• Aerothermodynamics Research in the 2002
• Aftosmis and Baron 1989
• Agarwal 2002
• Agarwal 2011
• Agarwal and Deb 2001
• Agnone 1987
• Agostini et al 2013
• Agrawal et al 2012
• Agrawal et al 2026
• Aguilera and Yu 2017
• Aguilera et al 2009
• Aguilera Munoz and Yu 2014
• Ahmed et al 2025
• Ahuja and Hartfield 2008
• Ahuja and Hartfield 2009
• Aiello 1962
• Aiello 1963
• Air Force Flight Test Center Edwards Afb Ca 1974
• Air Force Flight Test Center Edwards Afb Ca 1974
• Air Force Flight Test Center Edwards Afb Ca 2002
• Air Force Test Pilot School Edwards Afb Ca 1962
• Air Force Test Pilot School Edwards Afb Ca 1962
• Air Force Test Pilot School Edwards Afb Ca 1962
• Air Force Test Pilot School Edwards Afb Ca 1967
• Air Force Test Pilot School Edwards Afb Ca 1979
• Air Force Test Pilot School Edwards Afb Ca 1987
• Air Force Test Pilot School Edwards Afb Ca 1988
• Air Force Test Pilot School Edwards Afb Ca 1990
• Air Force Test Pilot School Edwards Afb Ca 1990
• Air Force Test Pilot School Edwards Afb Ca 1992
• Air Force Test Pilot School Edwards Afb Ca 1993
• Airbreathing Hypersonic Aircraft and 1997
• Airbreathing Propulsion
• Aircraft and Flight Test 2021
• Aircraft Flight Control Actuation
• Aircraft Flight Control Systems
• Aircraft Thermal Management System
• Akihisa et al 2002
• Aksu and Uslu 2017
• Alam et al 2006
• Albano et al 2013
• Alberico 1992
• Albertson and Emami 2001
• Albertson et al 2006
• Albertson et al 2012
• Alex and Lijo 2021
• Alexander 1970
• Alexander and Acharya 2024
• Alexander and Acharya 2025
• Alferov and Marchenko 2012
• Alferov et al 2001
• Alferov et al 2007
• Alford and Knarr 1999
• Ali and Fujiwara 2005
• Ali et al 2000
• Ali et al 2003
• Ali Hussein 2019
• Alich and Castillo 2007
• Alkamhawi et al 1990
• Alkandry et al 2009
• Allen 1958
• Allen 1964
• Allen et al 2005
• Allen et al 2007
• Alliney et al 2025
• Allouche and Haoui 2006
• Almeida 2021
• Alsalihi and Deconinck 1991
• Alter 2012
• Altstatt 1977
• Alvi 2012
• Amati et al 2008
• Amato et al 2026
• Ambe Verma et al 2021
• Ambe Verma et al 2021
• Ames and Tang 2021
• An Assessment of Our 1964
• An et al 2017
• An et al 2020
• An et al 2021
• Ananthapadmanaban
• Ananthapadmanaban and Murganandam 2016
• Anderson 1958
• Anderson 1959
• Anderson 1960
• Anderson 1990
• Anderson 1996
• Anderson 2014
• Anderson 2019
• Anderson and Gooderum 1974
• Anderson et al 1999
• Anderson Jr. 2006
• Andreadis et al 2002
• Andreadis et al 2003
• Andrews 1978
• Andrews and Poggie 2023
• Andrews et al 1985
• Andrews et al 1994
• Anhtuan D. Ngo
• Anthony and Halenbrook 1981
• Anthony and Helenbrook 1972
• Anthony et al 1975
• Appar and Kumar 2021
• Appeldoorn and Tao 1966
• Appeldoorn and Tao 1967
• Appendix A Standard Atmosphere 2021
• Appendix A. The Standard 2011
• Appendix B Properties of 2003
• Appendix C Oblique Shock 2015
• Appleby and Adams 1991
• Approximate Method of Predicting 1983
• Aprovitola et al 2019
• Arad 2024
• Arad 2026
• Arai et al 2008
• Araújo et al 2024
• Ardema 1972
• Ardema 1995
• Ardonceau 1984
• Arens 1961
• Armstrong 1977
• Armstrong 1979
• Armstrong and Latimer 1969
• Army War Coll Carlisle Barracks Pa 1952
• Arnold 1981
• Arnold et al 2023
• Aronov and Klyagin 2021
• Asma and Van der Haegen 2010
• Asma et al 2009
• Aso et al 1992
• Aso et al 1993
• Aso et al 2002
• Aso et al 2018
• Assessment of Key Aerothermal 1992
• Assis et al 2019
• Atay et al 2026
• Atkins 2026
• Attar et al 2026
• August and Joshi 1997
• Ault 1965
• Auslender et al 2009
• Austin
• Autenrieb 2023
• Autenrieb and Fezans 2024
• Automatic Detection and Suppression 1974
• Auxer 1968
• Avasali Dineshkumar et al 2026
• Avcilar and Celik 2026
• Avery 1981
• Avidor and Lederman 1971
• Axdahl et al 2011
• Axdahl et al 2012
• Azevedo and Korzenowski 1998
• B-34. U. S. Standard 1963
• Babinsky 2002
• Babinsky 2007
• Babinsky 2014
• Babinsky and Délery 2011
• Babu 2020
• Babu 2021
• Baccarella et al 2020
• Bachchan and Hillier 2004
• Baer 1961
• Baer 1966
• Baganoff 1990
• Bagaveyev et al 2010
• Bahambari and Khankalantary 2023
• Bahm et al 2005
• Bahuguna et al 2023
• Baker 1975
• Bakos
• Balaji and Venkatasubbaiah 2025
• Balaji Himakar and Rao 2025
• Balakrishnan et al 1997
• Balent and Kutschenreuter 1964
• Ball et al 1981
• Balland and Vincent-Randonnier 2015
• Balland et al 2015
• Ballaro and Anderson 1991
• Bamber 1961
• Ban et al 2026
• Bano et al 2026
• Bano et al 2026
• Bansal et al 2010
• Bansal et al 2010
• Bao et al 2010
• Bao et al 2012
• Bao et al 2013
• Bao et al 2017
• Baradell and McLellan 1963
• Baranovskii and Levin 1990
• Baranovskii and Levin 1991
• Barber and Cox 1988
• Barber and Cox 1989
• Barber et al 1997
• Barber et al 2006
• Barbera 1980
• Barberis and Molton 1995
• Bardina and Lombard 1987
• Barlow and Wood 1987
• Barlow et al 1988
• Barnes and Segal 2015
• Barnett and Starrett 1994
• Barnhart et al 1988
• Baron and Efrat 1979
• Barone et al 2022
• Barreto et al 2021
• Barsness and Bertram 1959
• Barth
• Barth et al 2014
• Bartolome Calvo and Eggers 2011
• Baruzzi et al 2021
• Barz 2026
• Barzegar Gerdroodbary 2020
• Batcho and Sullivan 1988
• Bates 2004
• Bates et al 2004
• Batiuk and Henderson 1976
• Bauer 1966
• Bauer 1967
• Bauer et al 1974
• Bauer et al 1998
• Baumann 2006
• Baumann et al 2008
• Baumberger et al 2026
• Baurle and Eklund 2001
• Baurle and Gruber 1998
• Baurle et al
• Baurle et al 1998
• Baye-Wallace and Krouse 2022
• Baysal and Luo 1998
• Baş 2026
• Beaver 1993
• Beck 1984
• Becker 1965
• Becker 1970
• Bedanand Mandal 2025
• Bedarev and Fedorova 2001
• Beery et al 1975
• Bein et al 1993
• Beitel 1991
• Bejan 2010
• Beketaeva et al 2016
• Belanger and Hornung 1992
• Bellan 2012
• Belmont 1983
• Ben-Arosh et al 1997
• Ben-Arosh et al 1998
• Ben-Arosh et al 1999
• Ben-Dor 1978
• Ben-Dor 1978
• Ben-Dor 2001
• Ben-Yakar and Hanson 1999
• Benay 2003
• Benay and Pot 1986
• Bencze 1972
• Bencze and Sorensen 1970
• Bender 1969
• Bendot et al 1975
• Benjelloun Touimi and Doom 2025
• Bennett 1971
• Bennett and Edwards 1990
• Bensassi et al 2010
• Bensassi et al 2013
• Benson and Maslowe 1965
• Benson and McRae 1993
• Benson et al 1976
• Benson et al 2009
• Benton 1990
• Berens and Bissinger 1996
• Berens and Bissinger 1998
• Berens and Bissinger 1998
• Berger 1971
• Berger et al 2019
• Bergholz and Hitch 1992
• Bergier
• Berglund and Fureby 2007
• Berglund et al 2010
• Berkovits 1973
• Berry and Scott 2023
• Bertelrud et al 1992
• Bertelrud et al 1999
• Berthelot et al 2026
• Bertin et al 1997
• Bessee et al 2012
• Besserer 1952
• Bessire
• Best et al 2001
• Bestman 1991
• Bettis and Hosder 2010
• Bever 1992
• Bezerra et al 2024
• Bezerra et al 2026
• Bhagwandin and DeSpirito 2011
• Bhagwandin and Sahu 2023
• Bhagwandin et al 2009
• Bhakta et al 2025
• Bhanderi and Babinsky 2005
• Bhat and Lind 2009
• Bhatia and Sirignano 1990
• Bhungalia et al 2000
• Bhutta and Lewis 1988
• Biagioni et al 1998
• Bielawski 2026
• Bilchenko 2015
• Billig 1967
• Billig 1967
• Billig 1992
• Billig 1993
• Billig 1995
• Billig and Grenleski 1970
• Billig et al 1979
• Billingsley et al 2010
• Bin and Hongxin 2006
• Bing and Gong 2015
• Birrer and Stemmer 2012
• Birzer and Doolan 2007
• Bissinger and Schmitz 1993
• Bissinger et al 1998
• Bityurin and Bocharov 2010
• Black 1968
• Blankson and Hagseth 1993
• Blankson et al 1998
• Bleimeyer 1981
• Blosser 1982
• Blosser 1987
• Blosser 1988
• Blosser and McWithey 1983
• Blum 2006
• Bodryakov 2014
• Bodryakov 2015
• Bodryakov 2018
• Bodson 2000
• Boeing Scientific Research Labs Seattle Wa 1963
• Boeing to use X-43A 2005
• Boettinger 1988
• Bogdnoff 1953
• Bogdonoff 1970
• Bogdonoff 1990
• Bogdonoff 1999
• Boggs and Davidson 1960
• Bogi et al 2025
• Bogue 1992
• Bogue et al 1995
• Bohning and Doerffer 2002
• Boiocchi et al 2018
• Bokor et al 2026
• Boland et al 2023
• Bolender and Doman 2005
• Bolender and Doman 2006
• Bolender et al 2007
• Bolender et al 2009
• Boles and Milligan 2013
• Bonanni and Ihme 2023
• Bonelli et al 2011
• Bonnefond et al 1996
• Bonnell 2000
• Boon and Hillier 2006
• Boon and Hillier 2006
• Bootle 1999
• Boppe and Davis 1989
• Bordelon et al 2003
• Bordoloi et al 2021
• Bordoloi et al 2022
• Bordoloi et al 2022
• Borg et al 2012
• Borg et al 2013
• Borg et al 2025
• Bormotova et al 2003
• Borovikov et al 1996
• Borovoi et al 1996
• Borovoy et al 2015
• Borrelli et al 1998
• Bortner 1964
• Bose 2012
• Bouazzi et al 2025
• Bouchard and Chambers 1966
• Bouchez 2001
• Bouchez and Beyer 2005
• Bouchez and Beyer 2006
• Bouchez and Beyer 2008
• Bouchez and Levine 2003
• Bouchez et al 1998
• Bouchez et al 2004
• Bouchez et al 2005
• Bouchez et al 2011
• Boudreau 1979
• Boudreau et al 1993
• Boulal and Le Pichon 2026
• Boulal et al 2026
• Bourgoing and Benay 2005
• Bowcutt 2001
• Bowcutt and Haney 1995
• Bowersox and Fan 2000
• Bowles et al 1998
• Bowman 1995
• Bowman et al 1990
• Bowman et al 1991
• Bowman et al 1992
• Bowman et al 1997
• Boyce and Paull 2001
• Boyce et al 2003
• Boyd 1990
• Boyd 1999
• Boyd 2002
• Boyd 2004
• Boyd 2008
• Boyd 2013
• Boyd 2015
• Boyd 2024
• Boyd et al 1993
• Boyer 1965
• Boyer et al 1960
• Brabbs and Robertson 1987
• Bradford and Olds 1999
• Bradley and Magee 1995
• Bradley et al 1981
• Brahmachary and Ogawa 2021
• Brauckmann 1986
• Braun et al 2025
• Braun et al 2025
• Braun et al 2026
• Bravo et al 2025
• Breitsamter et al 2001
• Brenneis and Wanie 1991
• Bretherton
• Bricker et al 1989
• Brief Review of Computational 2024
• Brieschenk et al 2013
• Brinda et al 2006
• Britcher and Landman 2024
• Britcher and Landman 2024
• Britcher and Landman 2024
• Britcher and Landman 2024
• Brits
• Broadaway 1984
• Brocanelli et al 2012
• Brociek et al 2023
• Brodsky 1970
• Brooke 1957
• Brooks 1986
• Brophy and Hawk 1990
• Brown 1978
• Brown 2003
• Brown 2012
• Brown 2014
• Brown and Boyce 2012
• Brown and Bradley 1981
• Brown and Donbar 2013
• Brown and Donbar 2015
• Brown and Hale 1984
• Brown et al 1963
• Brown et al 1986
• Brown et al 2010
• Browne et al 2012
• Browne et al 2021
• Brummund and Scheel 2002
• Brune et al 2016
• Brunner 1959
• Brunner 1996
• Bruno 1989
• Bruno 2023
• Bruno 2023
• Bruno 2023
• Bruno 2023
• Bryan 1953
• Brykina 1996
• Bryson 2021
• Bu and Lei 2018
• Buchanan and Crosby 1983
• Bucher and Bradley 1975
• Buchmann 1978
• Buchmann 1990
• Buck and Draper
• Bucy 1979
• Builder 1964
• Bulman and Siebenhaar 1995
• Bulman et al 1997
• Buonadonna et al 1973
• Bur et al 2002
• Bura 2017
• Burchfield and Bontrager 1966
• Burke and Poggie 2023
• Burnett 2002
• Burnett and Czysz 1963
• Burns 1965
• Burns 1970
• Burns 1974
• Burr 1968
• Burris 1966
• Burrows et al 2017
• Burt and Josyula 2013
• Burt and Reynolds 1968
• Burton 1987
• Busa et al 2016
• Bussing and Murman 1983
• Bustard et al 2024
• Butler 1976
• Butler et al 2022
• Butler et al 2023
• Butt 2013
• Butt et al 2010
• Butt et al 2011
• Buttsworth and Morgan 1995
• Buttsworth et al 2017
• Buzz Suppression of Supersonic 2005
• Bykerk et al 2020
• Byun and Kim 2026
• Cai and Huang 2022
• Cai et al 2016
• Cai et al 2017
• Cai et al 2018
• Cai et al 2025
• Cain 2002
• Cain and Walton 2003
• Calder et al 2026
• Caldwell et al
• Caledonia and Krech 1994
• California Inst Of Tech Pasadena 1990
• Calise et al 1990
• Calligeros and Dugundji 1961
• Calogeras 1969
• Camarda 1982
• Cambier and Adelman 1997
• Campbell et al 1997
• Campuzano and Dang 1995
• Candler 1989
• Candler 1989
• Candler 1989
• Candler 2001
• Candler 2010
• Candler 2011
• Candler and Nompelis 2002
• Candler and Park 1988
• Candler et al 2015
• Canoville and Lewis 2025
• Cao et al 2007
• Cao et al 2014
• Cao et al 2015
• Cao et al 2019
• Cao et al 2021
• Cao et al 2022
• Cao et al 2022
• Cao et al 2023
• Cao et al 2026
• Capparelli et al 2026
• Caraballo et al 2009
• Carbajosa et al 2025
• Carbajosa et al 2026
• Carico 1998
• Carlomagno et al 1993
• Carman 1966
• Carroll 1982
• Carroll and Dutton 1989
• Carson et al 2004
• Carter 2012
• Carter and Springfield 2002
• Carvalho et al 2020
• Cassanova 1967
• Cassanto 1971
• Cassanto 1972
• Casseau et al 2022
• Cassidy and Halley 1991
• Castaldi et al 2006
• Castner et al 2018
• Catalano and Sturek 2001
• Catalano and Sturek 2001
• Cavanaugh and Narayanaswamy 2024
• Cavanaugh et al 2025
• Cavanaugh et al 2026
• Cavity-actuated supersonic mixing and 1995
• Cavolowsky et al 1995
• Cavolowsky et al 1995
• Cazier and Ricketts 1991
• Celmins 1990
• Cenkci 1991
• Cenko 1992
• Cenko et al 2003
• Center et al 1991
• Centlivre 2023
• CFD Applications to Engine/Airframe 1986
• CFD optimization and test 1994
• Chakravarthy et al 1988
• Chakravarty and Narayanaswamy 2026
• Chamberlain and Baltar 1993
• Chambers Jr 2007
• Chan and Ihme 2014
• Chan and Ihme 2016
• Chandler 2003
• Chandrasekhar et al 2014
• Chang 1962
• Chang 1966
• Chang 1992
• Chang 2025
• Chang and Cheng 1963
• Chang and Choudhari 2010
• Chang et al 2008
• Chang et al 2008
• Chang et al 2009
• Chang et al 2010
• Chang et al 2010
• Chang et al 2011
• Chang et al 2011
• Chang et al 2012
• Chang et al 2014
• Chang et al 2017
• Chang et al 2022
• Chang et al 2026
• Chao Song et al 2011
• Chapter 1 Asymptotically Simplified 2013
• Chapter 10 Numerical Modeling 2013
• Chapter 13 Numerical Modeling 2013
• Chapter 18 Near-Wall Domain 2013
• Chapter 5 Physicochemical Models 2013
• Chapter 6 Modeling of 2013
• Chapter 7 Navier-Stokes-Based Numerical 2013
• Chapter 8 Numerical Study 2013
• Chapter 9 Model of 2013
• Characterization of High-Temperature Materials 2014
• Charyulu et al 1998
• Chase and Rust 1980
• Chase et al 1978
• Chauffour and Lewis 2003
• Chaussee and Rizk 1982
• Chauvin et al 1968
• Chavez and Schmidt 1993
• Che and Tang 2008
• Cheadle and DiZinno 2026
• Chemical and Vibrational Nonequilibrium 2006
• Chemical and Vibrational Nonequilibrium 2019
• Chemical Kinetics of High 1962
• Chen 1958
• Chen 2017
• Chen and Berry 2010
• Chen and He 2025
• Chen and Henline 1993
• Chen and Liu 2014
• Chen and Milos 1996
• Chen and Tan 2019
• Chen and Wu 2018
• Chen et al 2003
• Chen et al 2006
• Chen et al 2008
• Chen et al 2009
• Chen et al 2012
• Chen et al 2013
• Chen et al 2014
• Chen et al 2015
• Chen et al 2016
• Chen et al 2016
• Chen et al 2016
• Chen et al 2017
• Chen et al 2017
• Chen et al 2018
• Chen et al 2018
• Chen et al 2018
• Chen et al 2018
• Chen et al 2019
• Chen et al 2019
• Chen et al 2020
• Chen et al 2020
• Chen et al 2021
• Chen et al 2021
• Chen et al 2022
• Chen et al 2024
• Chen et al 2024
• Chen et al 2024
• Chen et al 2025
• Chen et al 2025
• Chen et al 2025
• Chen et al 2026
• Chen et al 2026
• Chen et al 2026
• Cheney 1988
• Cheng 1960
• Cheng 1993
• Cheng and Liu 2015
• Cheng et al 2017
• Cheng et al 2018
• Chengbin Lian et al 2012
• Chern et al 2014
• Chern et al 2025
• Cheung et al 1974
• Chi et al 2014
• Chi et al 2021
• Chima 2011
• Chiu 1987
• Chiu 1987
• Choe and Kim 2016
• Choe et al 2020
• Choi and Alexander 2008
• Choi and Driscoll 2024
• Choi and Gamba 2026
• Choi and Menon 2009
• Choi and Yang 2003
• Choi and Yang 2014
• Choi et al 2005
• Choi et al 2009
• Choi et al 2011
• Choi et al 2026
• Chokani 2001
• Chou and Smith 1974
• Chou et al 1996
• Choubey and Pandey 2018
• Choubey and Tiwari 2022
• Choubey and Tiwari 2022
• Choubey and Tiwari 2022
• Choubey et al 2016
• Choubey et al 2021
• Choubey et al 2022
• Choubey et al 2023
• Choubey et al 2023
• Choubey et al 2027
• Chourushi et al 2021
• Chow 1979
• Chow et al 2012
• Chrusciel 1976
• Chuang and Morimoto 1996
• Chuang and Morimoto 1997
• Chuanzhen et al 2022
• Chuck and Eberhardt 1990
• Chudej 1993
• Chudoba 2019
• Chudoba 2019
• Chudoba et al 2015
• Chun 1991
• Cisneros-Garibay et al 2020
• Cisneros-Garibay et al 2022
• Clarey and Greendyke 2018
• Clark 1965
• Clark 1966
• Clark et al 2006
• Clark et al 2006
• Clarke 1989
• Clarke 2008
• Clauser 1954
• Clauss et al 1994
• Clemens 2010
• Clement 2018
• Clever 1984
• Cliff and Well 1991
• Cliff et al 1992
• Cockrell 1993
• Cockrell 1994
• Cockrell 1994
• Cockrell and Huebner 1991
• Cockrell et al 1995
• Cockrell et al 1996
• Cockrell et al 2002
• Cocks et al 2013
• Cohen 1968
• Cohen 2011
• Cohen et al 1997
• Colbert and Nowack 2000
• Collier 1992
• Collins et al 2005
• Colwill et al 1969
• Combs 1977
• Combustion Chemistry of Chain 1978
• Combustion in Supersonic Flows 2006
• Combustion of High-Energy Fuels 2001
• Combustion Scaling in an 2012
• Comfort and Todisco 1969
• Comparison of flowfield surveys 1994
• Comparison of high-altitude rocket 1960
• Comparison of high-altitude rocket 1960
• Comparison of Orbiter STS-2 1983
• Composite, high-temperature dynamic seal 2007
• Computational Fluid Dynamic Methods 2009
• Computational Fluid Dynamics Continuity 2000
• Computational Fluid Dynamics Design 1990
• Computational Fluid Dynamics Using 2000
• Computational-Fluid-Dynamic Solutions of Hypersonic 2006
• Computational-Fluid-Dynamic Solutions of Hypersonic 2019
• Comstock
• Cong and Kunfeng 2017
• Coniglio
• Connolly 1965
• Connolly and Loth 2020
• Connolly et al 2021
• Connors and Allen 1958
• Control system design using 1976
• Conway and Johansson 2001
• Cook
• Cookson 1976
• Corbin et al 2008
• Cornell Aeronautical Lab Inc Buffalo Ny 1963
• Cotton 1974
• Couch and Wieting 1979
• Courtland 2010
• Cousin 1967
• Couture et al 2008
• Cox and Bobula 2015
• Cox et al 1995
• Crachi et al 2024
• Craig 1965
• Craig 2022
• Craig and Reich 1981
• Cramer 2001
• Creating Hypersonic Flow in 2019
• Creating Hypersonic Flow in 2019
• Cresci 1966
• Cresci and Rubin 1980
• Cristiano Paulino Pereira et al 2021
• Crow et al 2012
• Crown 1950
• Crumpton 2024
• Cubbage et al 1967
• Cubbage et al 1970
• Cuda and Hass 2010
• Cui et al 2011
• Cui et al 2015
• Cui et al 2018
• Cui et al 2022
• Culick et al 1982
• Culick et al 1983
• Culick et al 1985
• Culler and McNamara 2011
• Culler et al 2007
• Cuppoletti et al 2020
• Curran 1996
• Curran and Craig 1973
• Curran et al 2003
• Current State-of-the-Art for Airbreathing 1974
• Cutler and Magnotti 2008
• Cutler et al 2013
• Cutrone 2023
• Cvrlje 1999
• Cvrlje and Laschka 2001
• Cvrlje et al 2000
• Cymbalist and Dimotakis 2013
• Czysz 1963
• Czysz 1963
• Czysz 1988
• Czysz and Murthy 1996
• Czysz et al 1997
• D’Amico et al 2004
• da Costa et al 2016
• da Costa et al 2018
• da Silva Junior et al 2018
• Dai et al 2023
• Dai et al 2024
• Dai et al 2024
• Daines and Segal 1998
• Dajun et al 2006
• Daliri et al 2018
• Dalle and Driscoll 2012
• Dalle et al 2010
• Dalle et al 2011
• Dalle et al 2011
• Dalle et al 2015
• Dalle et al 2016
• Damazo et al 2012
• Danberg 1961
• Danberg et al 1964
• Danehy et al 2003
• Danehy et al 2015
• Daniau et al 2006
• Danquah et al
• Darabseh et al 2008
• Darrah 1988
• Daryabeigi et al 2006
• Das et al 2015
• Das et al 2021
• Das et al 2025
• Dasgupta et al 2012
• Daub et al 2020
• Daum 1963
• David O. Sigthorsson 2006
• Davidson et al 1999
• Davis 1970
• Davis 1988
• Davis 1993
• Davis 1995
• Davis 2015
• Davis and Grindle 2007
• Davis and White 2006
• Davis and White 2008
• Davis et al 2006
• Davis. Marl C. and White, J. Terry 2006
• Daywitt et al 1993
• De Corso and Coit 1953
• de Moura and Ribeiro 2026
• De Rosa et al 2026
• de Siqueira and Ribeiro 2023
• De Tullio and Sandham 2012
• De Vault 1957
• Debiève and Dupont 2009
• DeBoskey et al 2026
• Dec and Mitcheltree 2002
• Dechaumphai et al 1989
• Decker 1970
• Decker 2010
• Decker and Laschka 2001
• Deegan et al 2018
• Deepak et al 2006
• Definition of the standard 1954
• Degrez and Ginoux 1983
• Degrez and Ginoux 1987
• Delale and Liaw 1989
• Delwert and Eltetberg 1998
• DeMange et al 2007
• Demange et al 2014
• Demarchi and Haning 1978
• Demetriades 1975
• Demetriades 1983
• Demetriades 1985
• Demir et al 2025
• Demo 1986
• Dendy et al 2026
• Deng and Kim 2017
• Deng et al 2016
• Deng et al 2017
• Denman
• Denney et al 2012
• Depiro
• Desbordes et al 1995
• Deshpande and Poggie 2017
• Deshpande and Poggie 2020
• Deshpande and Poggie 2021
• Design Considerations for a 1963
• Design of a hypersonic 1993
• DeSpirito 2009
• DeSpirito 2013
• DeSpirito 2014
• DeSpirito 2015
• Dessornes et al 2001
• Dettling and McIntyre 1978
• Deveikis et al 1975
• Development of friction-seal materials 1957
• Development of the Shock 1962
• Dewell and Speyer 1993
• Dharavath et al 2014
• Dharavath et al 2015
• Dharavath et al 2015
• Dharavath et al 2023
• Di Clemente et al 2009
• Di Giovanni and Stemmer 2018
• Di Stefano et al 2018
• Di Stefano et al 2020
• Diagnostic Studies of a 1962
• Diao et al 2022
• Dickeson et al 2009
• Dickhudt 1983
• Dicristina 1979
• Dietrick 2013
• Diggins 1951
• DiGregorio et al
• Dimotakis and Leonard 1998
• Dinda et al 2021
• Ding et al 2015
• Ding et al 2018
• Ding et al 2020
• Ding et al 2021
• Ding et al 2022
• Ding et al 2023
• Direct numerical simulations of 2023
• Diskin et al 1987
• Disturbance Rejection For Airbreathing 2016
• Dittert and Kütemeyer 2017
• Djanal-Mann and Murugan 2025
• Do et al 2010
• Do et al 2010
• Do et al 2011
• Do et al 2011
• Do et al 2011
• Do et al 2011
• Do et al 2012
• Dodd 1980
• Doherty
• Doherty
• Dolan 1970
• Dolling 1993
• Dolling 2000
• Dolling and Gramann 1986
• Dolnik and Michaels 2025
• Dolvin 2009
• Domack 1991
• Domel and Thompson 1991
• Donbar 2012
• Donbar et al 2000
• Dong and Li 2012
• Dong et al 2015
• Donohue 2013
• Doolan 2006
• dos Santos et al 2025
• Doster et al 2007
• Doty et al 2011
• Dou et al 2024
• Douglas and Bhushan 2025
• Draper 2004
• Draper and Lee 2019
• Draper et al 1977
• Drikakis and Rana 2015
• Drozda
• Drummond 1991
• Drummond 1992
• Drummond and Weidner 1981
• Drummond et al 1989
• Drummond et al 2002
• Drummond et al 2006
• Drummond et al 2007
• Du et al 2017
• Du et al 2018
• Du et al 2022
• Du et al 2023
• Du et al 2025
• Dual-Mode Combustion Scramjet 2022
• Duan and Zhang 2016
• Duan et al 2011
• Duan et al 2024
• Dudebout and Sislian 1994
• Dudin 2002
• Dudley and Ukeiley 2011
• Duesbery and Louat 1992
• Duesbery and Louat 1994
• Dufour and Bouchez 2001
• Dugan 1969
• Dugger 1959
• Dugundji 1965
• Dukowicz 1968
• Dulikravich and Sheffer 1991
• Dunagan
• Dupont et al 2011
• Duran and Zeng 2026
• Durant et al 2015
• Durbin 1959
• Duston et al 2004
• Dutt 1980
• Dutta et al 2011
• Duvall et al 1985
• Dvořák 1965
• Dwoyer 1973
• Dwoyer and Kumar 1987
• Dyakonov et al 2012
• Dynamic Testing of the 2011
• Eagle and Ross 1955
• Early 2000
• Eason and Spottswood 2013
• Ebrahimi et al 2007
• Economos 1962
• Edelman
• Edelman and Spadaccini 1969
• Edelman et al 1980
• Edquist 2006
• Edquist and Lewis 1993
• Edwards 1988
• Edwards 2014
• Edwards and Babikian 1987
• Edwards et al 1951
• Edwards et al 1975
• Edwards et al 2006
• Edwards et al 2011
• Edwards et al 2024
• Effect of the Configuration 2017
• Effects of Atmospheric Structure 1979
• Effects of chemical nonequilibrium 1969
• Effects of compression and 1993
• Effects of wind-tunnel disturbances 1972
• Eggers 2002
• Eggers 2003
• Eggers and Novelli 1999
• Eggers et al 2001
• Egorov and Erofeev 1997
• Eklund 2004
• Eklund et al 2001
• El-Askary 2011
• El-Kebir and Ornik 2020
• El-Sayed 2016
• Elands et al 1991
• Elchert 1982
• Elder 1980
• Eldridge 1988
• Elements of Computational Engine/Airframe 1986
• Elkowitz et al 2023
• Elliott 1968
• Elliott et al 2019
• Ellis et al 1978
• Ellison and Johnson 1964
• Ely
• Emami et al 1995
• Emami et al 1995
• Emanuel 1989
• Emanuel 1992
• Emanuel 1992
• Emanuel and Yi 2000
• Endothermic Reactions
• Endothermic Reactions 2006
• Engblom et al 2005
• Engblom et al 2012
• Engelund 2001
• Engelund et al 1999
• Engine/Airframe Performance Matching 1989
• Enkenhus 1969
• Enkenhus and Parazzoli 1969
• Enns 2003
• Eppley 1963
• Epstein 1954
• Erb and Hosder 2018
• Erdman 2005
• Erdos 1998
• Ericsson 1968
• Ericsson 1977
• Ericsson 1977
• Ericsson 1978
• Ericsson and Scholnick 1968
• Eschenbach and Skinner 1961
• Escher 2001
• Escher and Ehrlic 2000
• Eser et al 1990
• Esparza et al 1975
• Espinosa 2003
• Eugênio Ribeiro
• Evaluation of turbulent heating 1973
• Evans et al 2011
• Eves and Valasek 2024
• Evolution of Disturbances from 2024
• Expandable high-pressure, high-temperature seal 2015
• Experimental Study of the 2022
• Facility Requirements for Hypersonic 1991
• Fain et al 2026
• Falempin 1999
• Falempin and Serre 2003
• Falempin and Serre 2003
• Falempin and Serre 2006
• Falempin and Serre 2006
• Falempin and Serre 2008
• Falempin et al 1992
• Falempin et al 1995
• Falempin et al 2009
• Falkiewicz et al 2009
• Falkiewicz et al 2010
• Falkiewicz et al 2011
• Famularo et al 2018
• Fan and Chang 2009
• Fan et al 2009
• Fan et al 2010
• Fan et al 2016
• Fan et al 2017
• Fan et al 2017
• Fan et al 2017
• Fan et al 2024
• Fan et al 2026
• Fang et al 2020
• Farahani et al 2019
• Farmakovsky et al 2005
• Farrell and Martin 1998
• Fatemi and Lemmen 2006
• Fathauer and Rogers 1993
• Faulkner 2003
• Faulkner and Weber 1999
• Faulstich and Law 2006
• Fechter and Mills 1988
• Fedioun and Orlik 2012
• Fedorov and Khokhlov 2001
• Fedorov and Khokhlov 2002
• Feie and Kretz 2008
• Feifel and Kerkam 1992
• Fejer et al 1964
• Felderman et al 2003
• Feldman
• Feldman et al 2019
• Fenfen et al 2020
• Feng 2022
• Feng et al 2014
• Feng et al 2020
• Feng et al 2022
• Feng et al 2023
• Feng et al 2026
• Ferguson and Anderson 1993
• Ferguson et al 2011
• Ferguson et al 2015
• Ferguson et al 2015
• Ferguson et al 2016
• Ferguson et al 2018
• Ferguson et al 2022
• Ferlemann 2005
• Ferlemann 2008
• Ferlemann et al 2000
• Ferlemann et al 2005
• Fermen-Coker and Johnson 1999
• Ferreira de Moura and Borges Ribeiro 2025
• Ferreira de Moura and Borges Ribeiro 2025
• Ferreira de Moura and Borges Ribeiro 2025
• Ferreira de Moura and Borges Ribeiro 2025
• Ferreira et al 1996
• Ferrero 2020
• Ferri 1964
• Ferrier et al 2006
• Ferrier et al 2008
• Ferziger and Leslie 1979
• Fetterhoff and Burfitt 2011
• Filipkovskyi 2026
• Finkler and Weiser 1994
• Finley 1990
• Finley and Cockrell 1995
• Fiorentini and Serrani 2012
• Fiorentini et al 2009
• Fischer 2006
• Fischer and Olivier 2011
• Fischer and Rock 1995
• Fitch 1966
• Fitzgerald et al 1973
• Fiévet et al 2015
• Flaherty et al 2010
• Flanagan 1993
• Fleming et al 2004
• Flesberg et al 2018
• Fletcher 1967
• Fletcher 1994
• Flight Sciences Lab Inc Buffalo Ny 1964
• Flight Test Instrumentation 1965
• Flight TEST Manual 1959
• Flight Test Planning 2021
• Flora et al 2019
• Florence 1979
• Flow establishment in a 1990
• Foelsche et al 2006
• Fokin 2020
• Folck and Smith 1969
• Folweiler 1962
• Fontan Moura
• Fontijn 1987
• Forbes-Spyratos et al 2014
• Foreman 1963
• Forsythe et al 1961
• Fort and Pratt 1990
• Fosdick 1970
• Foster et al 2012
• Fotia 2015
• Fotia and Driscoll 2012
• Fotia and Driscoll 2013
• Franciscus and Lezberg 1963
• Franciscus and Lezberg 1963
• Franklin and Bennett 1971
• Frederick 1987
• Frey 2014
• Frey et al 2025
• Friedauer and Segal 1996
• Friedberg and Ahmed 1982
• Friedman 1965
• Friedman et al 1953
• Friedman et al 1967
• Frisch and Giedt 1965
• Frisch and Giedt 1965
• Froning 1986
• Froning 2006
• Froning and Roach 1999
• Frost
• Fu et al 2015
• Fu et al 2018
• Fu et al 2021
• Fu et al 2022
• Fu et al 2023
• Fu et al 2024
• Fu et al 2024
• Fu et al 2026
• Fuels for Hypersonic Air-Breathing 2022
• Fujii and Inoue 1998
• Fujii et al 2000
• Fujio and Ogawa 2021
• Fujio and Taguchi 2026
• Fujita et al 2011
• Fukuda et al 1975
• Fukuzawa et al 2025
• Fulmer and Wirtz 1964
• Fureby et al 2025
• Fureby et al 2025
• Furstenau 1965
• Fusaro and Viola 2020
• Förder and Steiner 2020
• Förster et al 2016
• G.Balu et al 2005
• Gaal 1974
• Gaede and Lopez 1967
• Gager and Schleter 1949
• Gaglio and Bevilacqua 2026
• Galaktionov et al 2006
• Galera et al 2006
• Gallegos et al 2024
• Gallegos et al 2024
• Galli et al 2004
• Gallo et al 1966
• Gally and Campbell 2002
• Gamble et al 2008
• Gamble et al 2009
• Gamertsfelder et al 2022
• Ganapuram et al 2014
• Gany 2006
• Gao 2023
• Gao et al 2012
• Gao et al 2014
• Gao et al 2015
• Gao et al 2020
• Gao et al 2020
• Gao et al 2020
• Gao et al 2020
• Gao et al 2021
• Gao et al 2021
• Gao et al 2021
• Gao et al 2023
• Gao et al 2024
• Gao et al 2024
• Gao et al 2024
• Gao et al 2026
• Gao et al 2026
• Gardi et al 2015
• Gardner 1964
• Gardner et al 2002
• Garrison et al 1994
• Gartling 1970
• Gary and McDonald 2014
• Gasner et al 1992
• Gates et al 1999
• Gawehn et al 2022
• Gay and Brehm 2025
• Gazaix 1992
• Ge and Gan 2026
• Gea and Vicker
• Geerts and Yu 2012
• Geerts and Yu 2013
• Geerts and Yu 2015
• Geerts and Yu 2017
• Gehre
• Gehre et al 2015
• Geiger et al 2024
• Geiger et al 2026
• Geng et al 2017
• Genin and Menon 2004
• George 1963
• Gerbsch and Agarwal 1988
• Gernansky 1990
• Gerolymos et al 2003
• Geshele et al 2013
• Ghenai et al 2005
• Ghodke et al 2011
• Ghori et al 2023
• Ghosh and Ogawa 2022
• Giampetro 2026
• Giampetro et al 2026
• Giant liquid rheostat for 1955
• Gibbons et al 2021
• Gibson et al 2002
• Gidzak 2015
• Giehler
• Giehler et al 2023
• Gilinsky et al 2003
• Gillum et al 1994
• Gimelshein 2019
• Ginoux 1966
• Girimaji and Srinivasan 2009
• Giuseppe et al 2011
• Gladden and Melis 1994
• Gladden et al 1990
• Glass
• Glass
• Glass
• Glass 2003
• Glass 2018
• Glass and Glass 2002
• Glass and Sislian 1994
• Glass et al
• Glass et al 2013
• Glass et al 2014
• Glassman 1998
• Glassman and Nosek 1971
• Glezer 1999
• Glezer and Leonard 2012
• Glickstein and Powell 1987
• Glickstein and Spadaccini 1998
• Gnoffo 1989
• Gnoffo 2001
• Gnoffo 2007
• Gnoffo et al 1987
• Gockel 1993
• Godwin et al 1964
• Gogineni 1991
• Goin 1961
• Gokulakrishnan et al 2006
• Gol’dfel’d 1985
• Goldbaum 1956
• Goldberg and Scala 1965
• Goldfeld 2003
• Goldfeld 2019
• Goldfeld and Nestoulia 2003
• Goldfeld et al 2019
• Gollan and Smart 2010
• Gollan and Smart 2013
• Gollan et al 2011
• Golovachev 1979
• Golovachev 1979
• Golovachev 1981
• Golubinskii and Golubkin 1983
• Golubkin 1992
• Golubkin and Negoda 1995
• Golubkin and Postnov 2000
• Gong et al 2006
• Gong et al 2017
• Gong et al 2024
• Gong Weijie and Tang Shuo 2010
• Gonzalez 1996
• Gonzalez et al 2025
• Goodwin and Maxwell 2017
• Goonko et al 2003
• Gopal and Wilson 2016
• Gopinath et al 2015
• Gopinath et al 2019
• Gorshkov 2011
• Gorshkov and Lunev 2002
• Goss and Cook 1948
• Gottlieb and Don 2008
• Gounko and Shumskiy 2014
• Goyal et al 2023
• Goyne and McDaniel 2002
• Goyne et al 2006
• Goz and Theodoulis 2025
• Graber 1964
• Grady and Madzsar 1998
• Grady et al 2016
• Graham
• Graham et al 1954
• Grainger et al 2012
• Grainger et al 2014
• Grant 2013
• Grantz et al 1993
• Graphite Materials Ablation Performance 1980
• Grasso and Falconi 1993
• Gray 1965
• Green
• Gregorek and Lee 1962
• Gregory et al 1967
• Griffith and Lewis 1963
• Grimm 1993
• Grine et al 2007
• Gringorten 1967
• Gringorten and Tattelman 1970
• Grohens et al 2000
• Gronland et al 1997
• Gros 1963
• Grossir 2015
• Grossir and Rambaud 2014
• Grossman and Cinnella 1990
• Ground et al 2014
• Groves et al 2005
• Gruber et al 2004
• Gruenig and Mayinger 1999
• Gruhn and Gülhan 2011
• Grunbok et al 2023
• Grunlan et al 2010
• Gu et al 2009
• Gu et al 2010
• Guan and Yarng 1987
• Guan et al 2013
• Guan Ping et al 2012
• Guangbin Cai et al 2010
• Guangren et al 2015
• Gubanov 2019
• Guderley 1987
• Guderley 1988
• Gudimella et al 2018
• Guelhan et al 2012
• Guffey and Hunter 1990
• Gugulothu 2020
• Gugulothu and Nutakki 2019
• Guizzo 2004
• Gunderson 1963
• Guo and Liu 2024
• Guo et al 2016
• Guo et al 2017
• Guo et al 2022
• Guo et al 2023
• Guo et al 2023
• Guo et al 2025
• Guoliang et al 2017
• Gupta
• Gupta
• Gupta and Agarwal 2001
• Gusev 1990
• Gusev and Chinilov 2003
• Gusev et al 1993
• Guy 1990
• Guy et al 1996
• Guzmán-Bohórquez et al 2025
• Gülçat 2010
• Gülçat 2015
• GÜlçat 2021
• Ha et al 2018
• Haas and Karanian 1980
• Hack
• Hackett 1992
• Hadjadj and Dussauge 2009
• Haftka and Shore 1979
• Hagenmaier et al 1997
• Hagenmaier et al 2011
• Hagenmaier et al 2013
• Hagseth and Blankson 1993
• Hahn 2012
• Hahn et al 2026
• Haley and Zhong 2017
• Hall 2002
• Hall and Poggie 2019
• Hall et al 2026
• Hallgren and Anderson 1991
• Hallion 1998
• Hallion et al 1995
• Halter and Cliff 1991
• Hamed 1990
• Hamed 1993
• Hamed and Kumar 1992
• Hammack and Ombrello 2021
• Hamner 2003
• Han and Han 2024
• Han et al 2020
• Han et al 2024
• Han et al 2025
• Han et al 2027
• Hanai et al 2007
• Haney 1995
• Haney et al 1993
• Hank et al 2006
• Hank et al 2008
• Hannah and Muessig 1970
• Hannemann et al 2015
• Hannemann et al 2017
• Hanquist and Boyd 2018
• Hansen 1991
• Hao et al 2014
• Hao et al 2016
• Hao et al 2016
• Hao et al 2016
• Hardie and O’Byrne 2025
• Harkins 2003
• Harloff 1987
• Harloff and Berkowitz 1988
• Harloff and Berkowitz 1990
• Harloff and Petrie 1987
• Harloff et al 1988
• Harney 1963
• Harney and Petrie 1971
• Harri 1964
• Harris and Albacete 1964
• Harris et al 1994
• Harris et al 2023
• Harrison 1976
• Hart 1956
• Hartill 1977
• Hartill et al 1978
• Hartley et al 1965
• Harvey 2011
• Hasegawa 2025
• Hasen et al 2019
• Hass and Cabell
• Hass et al 2010
• Hass et al 2011
• Hassan et al 1992
• Hassan et al 2001
• Hatayama et al 2025
• Hattis 1990
• Hawkins and Marquart 1995
• Hawkins and Richardson 1991
• Hayashi and Aso 1988
• Hayes 1959
• He 2015
• He et al 2009
• He et al 2015
• He et al 2021
• He et al 2022
• He et al 2022
• He et al 2022
• He et al 2023
• He et al 2026
• He et al 2026
• Head 1981
• Hearth and Preyss 1976
• Heat transfer to endothermic 1991
• Heathman and Kelly 1966
• Heberling 2020
• Hedges et al 1996
• Hegde et al 1987
• Heinbockel and Landry 1995
• Heinrich et al 2001
• Heiser and Pratt 2005
• Heiser et al 1994
• Heitmeier and Bissinger 1995
• Heitmeir et al 1992
• Hejranfar et al 2011
• Helenbrook et al 1971
• Helgeson and Chinitz 1995
• Heller et al 1998
• Heller et al 2000
• Hemanth et al 2009
• Hemming 1966
• Henckels and Maurer
• Henderson 1987
• Henderson 1991
• Henderson 1999
• Henry 1969
• Henry and Anderson 1973
• Henshall and Brower 1962
• Henson and Robertson 1962
• Heo and Sung 2017
• Herbert
• Herbert 1992
• Herdy 2025
• Herdy 2025
• Herdy 2026
• Herges et al 2012
• Herling et al 1985
• Hermann 1950
• Hermann 1965
• Hermann and Schmidt 1995
• Herrington et al 1966
• Herrlin and Gelderloos 1988
• Herrmann and Gülhan 2015
• Herrmann et al 2013
• Herrmann et al 2025
• Hersh and Gerstein 1970
• Hertzberg et al 1961
• Hexia et al 2014
• Hicks 1992
• Higashino et al 1995
• Higgins et al 2002
• High specific impulse propulsion 1987
• High temperature materials
• High Temperature NASP Engine 1992
• High-altitude atmospheric density 1960
• High-temperature and high-pressure seal 2010
• High-temperature axial seal 2011
• High-temperature dynamic seal 2010
• High-Temperature Gas Dynamics and 2009
• High-Temperature Materials and Mechanisms 2014
• High-Temperature Materials Chemistry and 2014
• High-Temperature Materials Processing 2014
• High-temperature seal assembly 2015
• Hildebrand 1979
• Hillier and Netterfield 1990
• Hinderks et al 2004
• Hiraiwa et al 1995
• Hirsch et al 2023
• Hirschel and Meier 2004
• Hirschel and Weiland 2009
• Hirschel and Weiland 2009
• Hirschel et al 2025
• Hirschel et al 2025
• Hitch and Lynch 2009
• Ho 2006
• Hodge 1976
• Hoeger et al 2010
• Hoeger et al 2011
• Hoegl and Duesterhaus 1988
• Hoffert 1968
• Hoffmann 2000
• Hohn and Guelhan 2012
• Hohn and Guelhan 2015
• Hohn and Gülhan 2011
• Hohn and Gülhan 2017
• Hohn and Gülhan 2022
• Hojnacki 1972
• Holden 1970
• Holden 1972
• Holden 1977
• Holden 1993
• Holden 2000
• Holden 2011
• Holden et al 2001
• Holden et al 2008
• Holden et al 2010
• Holifield and Tufts 2024
• Holland 1991
• Holland 1994
• Holland 1994
• Holland and Perkins 1991
• Holland and Perkins 1992
• Hollanders et al 1992
• Hollis et al 1999
• Holm-Hansen et al 2010
• Holography of JP-4 Droplets 1974
• Homan 1970
• Hommel 1989
• Hong and Kim 2011
• Hong et al 2005
• Hong et al 2014
• Hong Qian. Lu et al 2011
• Hongbo and Yongyuan 2016
• Hongpeng and Weiqiang 2016
• Hongpeng and Zhenguo 2021
• Hooper
• Hopkins
• Horisawa 2004
• Horisawa et al 2004
• Hornbeck 1975
• Hornung 1991
• Hornung 2001
• Hornung et al 2003
• Horstman 1987
• Horstman 1991
• Horvath et al 2002
• Hossain 2025
• Hossain Joy et al 2017
• Hostetler 2005
• Hoter et al 2026
• Hou et al 2015
• Hou et al 2020
• Hoult et al 2003
• Houria et al 2026
• Howell 1988
• Howland 1953
• Hoying et al 1990
• Hristov 2021
• Hromas and Lees 1962
• Hsia et al 1989
• Hsieh et al 1997
• Hsu et al 2007
• Hu and Durbin 2012
• Hu and Liu 2013
• Hu and Zhu 2017
• Hu et al 2008
• Hu et al 2010
• Hu et al 2013
• Hu et al 2013
• Hu et al 2014
• Hu et al 2014
• Hu et al 2015
• Hu et al 2018
• Hu et al 2018
• Hu et al 2018
• Hu et al 2021
• Hu et al 2022
• Hu et al 2022
• Hu et al 2022
• Hu et al 2022
• Hu et al 2026
• Huang and Chen 2021
• Huang and Spadaccini 2001
• Huang and Xing 2005
• Huang and Yan 2016
• Huang et al 2002
• Huang et al 2002
• Huang et al 2010
• Huang et al 2011
• Huang et al 2011
• Huang et al 2012
• Huang et al 2017
• Huang et al 2018
• Huang et al 2018
• Huang et al 2020
• Huang et al 2021
• Huang et al 2022
• Huang et al 2024
• Huang et al 2025
• Huang et al 2025
• Huang et al 2025
• Huang et al 2025
• Huang et al 2025
• Huang et al 2025
• Huang et al 2026
• Huang et al 2026
• Hube 1968
• Huber 1966
• Hucknall 1985
• Hucknall 1985
• Huebner and Tatum 1991
• Huebner et al 2001
• Huebner et al 2003
• Hueter 1999
• Huffman and Davidson 1958
• Hughes and Wu 2010
• Hughes and Wu 2012
• Hugo and Lago 2022
• Hui and Hu 2006
• Hui-Sheng and Bei-Jing 2021
• Human 2002
• Humphrey and Culick 1987
• Humrutha et al 2017
• Humrutha et al 2017
• Hung 1982
• Hung and Buning 1984
• Hung and Maccormack 1978
• Hunt
• Hunt 1976
• Hunt 1989
• Hunt and Eiswirth 1996
• Hunt and Hunt 2020
• Hunt and Hunt 2021
• Hunt and Nixon 1995
• Hunt and Rausch 1998
• Hunt et al 1978
• Hunt et al 1978
• Hunt et al 1979
• Hunt et al 1997
• Hunt et al 2019
• Hunter 1981
• Huo et al 2006
• Hutchins et al 2012
• Hutchins et al 2014
• Hutt 1987
• Hutt and East 1983
• Hutt et al 2001
• Hutzel et al 2011
• Hutzel et al 2011
• Hyers 2009
• Hypersonic Aerodynamics 1988
• Hypersonic Aerodynamics 2016
• Hypersonic Aerodynamics on the 2019
• Hypersonic Aerodynamics Slender Bodies 2025
• Hypersonic Air-Breathing Flight Testing 2022
• Hypersonic and Supersonic Flight 2023
• Hypersonic drone design A 1988
• Hypersonic Drone Vehicle Design 1988
• Hypersonic Flight 2025
• Hypersonic flow in a 1989
• Hypersonic Flow Past Thin 2009
• Hypersonic Flows 2021
• Hypersonic Flows 2025
• Hypersonic Ground Test Requirements 2002
• Hypersonic Inviscid Flowfields Approximate 2006
• Hypersonic Inviscid Flowfields Approximate 2019
• Hypersonic Inviscid Flowfields Exact 2006
• Hypersonic Inviscid Flowfields Exact 2019
• Hypersonic Materials for Thermal 2023
• Hypersonic Nonequilibrium Flows Fundamentals 2015
• Hypersonic Shock and Expansion-Wave 2006
• Hypersonic Shock and Expansion-Wave 2019
• Hypersonic Thin Viscous Shock 2018
• Hypersonic Viscous Interactions 2006
• Hypersonic Viscous Interactions 2019
• Hyunwoo et al 2023
• Hïgh-altitude atmospheric density 1960
• Iannelli 2007
• Iannelli 2007
• Iannelli 2008
• Ibrahim 1967
• ICAO Standard Atmosphere 2021
• Ide et al 1989
• Idris et al 2014
• Idris et al 2015
• Ifflnder and Keller
• Igari 2019
• Igra 2026
• Iida and Komai 1992
• Ikawa 1989
• Ikawa 1991
• Ikenson 2025
• Ilie and Sullivan 2021
• Ilie et al 2023
• Ilie et al 2023
• Iliff and Shafer 1992
• Iliff and Shafer 1993
• Iliff and Shafer 1993
• Iliff and Shafer 1995
• Im and Do 2018
• Impact of Copper Contamination
• Imrak et al 2021
• Inamura et al 1996
• Ince 1967
• Influence of Plasma on 2024
• Influence of the rising 2023
• Ingenito 2015
• Ingenito 2021
• Ingenito 2021
• Ingenito 2021
• Ingenito 2021
• Ingenito 2021
• Ingenito 2021
• Ingenito et al 2009
• Ingenito et al 2009
• Inger 1984
• Inger 1986
• Inger 1989
• Inger 1991
• Inger 1994
• Inger 1995
• Inger 1995
• Inger 1995
• Inger 1995
• Inger 2008
• Inger 2011
• Inger and Rangwalla 1988
• Inger et al 2001
• Initial Results from a 1962
• Initial Shuttle External Tank 1983
• Inokuma et al 2025
• Instrumentation for Airbreathing Propulsion 1974
• Instrumentation for In-Flight Determination 1974
• Integrated transient thermal-structural finite 1981
• International Standard Atmosphere 2010
• Introduction to Hypersonic Air-Breathing 2022
• Investigation of bubble-point vapor 2005
• Investigation of mixing characteristics 2023
• Investigation of the Use 1974
• Isaac and Miles 1990
• Ishimoto et al 1996
• Ispir and Saracoglu 2019
• Ispir et al 2023
• Itabashi et al 1995
• Itoh 2007
• Itoh et al 2002
• Iwashita 2015
• Iwashita 2026
• Izard et al 2009
• Jackson and Anderson 1967
• Jackson and Wang 1974
• Jackson et al 1995
• Jackson et al 2015
• Jacobson 1952
• Jade et al 2025
• Jagadeesh et al 1998
• James 2022
• Jammalamadaka et al 2014
• Janardanan and Jayakumar 2006
• Janarthanam and Babu 2012
• Jann and Yakimenko 2015
• Jasa et al 2018
• Jaskowiak 2004
• Jaskowiak and Dickens 2005
• Jategaonkar et al 2005
• Javaid and Serghides 2003
• Javaid and Serghides 2004
• Jayanthi and Jain 2019
• Jazra and Smart 2011
• Jazra et al 2013
• Jee
• Jeffrie and Rolston 1972
• Jenney et al 1982
• Jensen and Braendlein 1996
• Jensen et al 1972
• Jeon and Park 2023
• Jeong et al 2008
• Jeong et al 2008
• Jeong et al 2020
• Jeyakumar et al 2005
• Jeyashekar et al 2010
• Ji 2017
• Ji and Zhou 2017
• Ji and Zhou 2018
• Ji et al 2019
• Ji et al 2023
• Ji et al 2024
• Ji et al 2025
• Jia et al 2004
• Jian and Yude 2024
• Jianchen et al 2014
• Jiang et al 2010
• Jiang et al 2017
• Jiang et al 2018
• Jiang et al 2020
• Jiang et al 2021
• Jiang et al 2023
• Jiang et al 2024
• Jiang et al 2025
• Jianguo et al 2018
• Jianqiang et al 2016
• Jiao et al 2015
• Jiao et al 2016
• Jiao et al 2017
• Jiao et al 2018
• Jiao et al 2021
• Jie Wang et al 2012
• Jin and Yao 2023
• Jin et al 2016
• Jin et al 2022
• Jin et al 2022
• Jin et al 2023
• Jin et al 2023
• Jin et al 2023
• Jin et al 2026
• Jing and Shuo 2008
• Jing and Yuan-pei 2015
• Jing et al 2007
• Jing et al 2023
• Jing et al 2026
• Jing-guang and Shen-min 2017
• Jingang et al 2026
• Jingqi and Yulong 2024
• Jischke 1978
• Jo 2026
• Jo et al 2024
• Jo et al 2025
• Jo et al 2026
• Johnson 1967
• Johnson and Conley 2015
• Johnson and Narayanaswamy 2024
• Johnson and Narayanaswamy 2026
• Johnson and Sorenson 2006
• Johnson et al 1970
• Johnson et al 2001
• Johnson et al 2015
• Johnson et al 2017
• Johnson et al 2022
• Johnson III and Wu 1974
• Johnston 1969
• Johnston and Candler 2023
• Johnston et al 1970
• Jones 2006
• Jones and Huber 1978
• Jones and Huber 1978
• Jones and Laurence 2025
• Jones et al 1975
• Jones et al 2021
• Josyula and Bailey 2003
• Josyula and Shang 1990
• Josyula and Shang 1992
• Josyula and Vedula 2015
• Juluru Sandeep and Avss Kumara Swami Gupta 2023
• Kadosh and Natan 2020
• Kai and Ohtake 1996
• Kai-li and Kun-yuan 2010
• Kai-li and Kun-yuan 2011
• Kailasanath et al 1986
• Kaiser and Fluegge-Lotz 1968
• Kakatsios and Houzouris 1998
• Kalkhoran and Otugen 1994
• Kalra et al 2018
• Kalyan et al 2022
• Kamath and McClinton 1992
• Kamath et al 1991
• Kamath et al 1991
• Kamezawa and Ruffin 2018
• Kanapathipillai and Yu 2024
• Kanapathipillai et al 2020
• Kanda 1998
• Kanda 1998
• Kanda 2000
• Kanda et al 1993
• Kanda et al 1994
• Kanda et al 2001
• Kanda et al 2003
• Kanda et al 2003
• Kanda et al 2007
• Kanderpalli et al 2014
• Kandula and Kummitha 2025
• Kaneko and Nakamura 1999
• Kaneko et al 2000
• Kang and Dunn 1972
• Kang and Sun 2011
• Kang et al 2008
• Kannaiyan 2020
• Kantrowitz and Petschek 1964
• Kao and Anderson 1981
• Karanian and Kepler 1965
• Karimi and Oboodi 2018
• Kato and Im 2019
• Kato et al 2006
• Kauffman et al 1990
• Kauffman et al 1991
• Kaufman 1963
• Kaufman and Louis G. 1963
• Kaufman and Louis G. 1964
• Kaushik 2018
• Kaushik 2018
• Kaushik 2023
• Kay 1989
• Kay et al 1990
• Kazmar 2005
• Keanini et al 1989
• Kellenberger and Ciccarelli 2015
• Kellermann et al 2020
• Kelly 1972
• Kelly 1972
• Kelly 1973
• Kelly 1988
• Kelso 1993
• Kendall 1974
• Kennedy 1986
• Kennell et al 2015
• Kenworthy 1967
• Kepler and Champagne 1989
• Kerans 2002
• Keshmiri 2008
• Keshmiri et al 2005
• Keshmiri et al 2006
• Keshmiri et al 2006
• Keshmiri et al 2006
• Keshmiri et al 2007
• Keshmiri et al 2007
• Ketter 1974
• Khairul Habib Pulok and Chakravarty 2021
• Khambaswadkar 2024
• Khan et al 2018
• Khobragade and Kumar 2022
• Khorrami and Chang 1997
• Khorunzhenko et al 2002
• Khrapko 2018
• Khurana and Suzuki 2013
• Kidd and Adams 2000
• Killackey et al 1978
• Killackey et al 1980
• Killough et al 1983
• Kim 2017
• Kim and Lee 2022
• Kim and Menon 1999
• Kim and Park 2026
• Kim et al 1982
• Kim et al 2004
• Kim et al 2010
• Kim et al 2020
• Kim et al 2023
• Kim et al 2025
• Kim et al 2025
• Kimmel 1993
• Kimmel and Poggie 1997
• Kimmel and Prabhu 2015
• Kimmel et al 2005
• Kimmel et al 2011
• Kimmerly
• King 1962
• Kinslow and Busby 1973
• Kinslow et al 1973
• Kireeti et al 2022
• Kirkby 1964
• Kirkham et al 1975
• Kirkpatrick
• Kishida 2006
• Kitamura and Shima 2011
• Kitamura et al 2007
• Kitowski 1992
• Kittredge et al 1961
• Kkn and Reddy 2016
• Klepper et al 2017
• Kline et al 2014
• Klineberg 1989
• Klingenberg et al 2026
• Klock and Cesnik 2015
• Klock and Cesnik 2016
• Klothakis and Nikolos 2024
• Kluwick and Stross 1984
• Klyde et al 2004
• Knauss et al 1999
• Knight 2002
• Knight 2015
• Knight and Kianvashrad 2023
• Knight and Naiman 2009
• Knight and Yan 2000
• Knight and Zheltovodov 2011
• Knight et al 2026
• Knighton 1992
• Knittel and Lewis 2012
• Knoblach 1974
• Knott 1984
• Ko 1997
• Ko and Gong 2001
• Ko and Jackson 1992
• Kobayashi 1984
• Kobayashi and Adachi 2015
• Kobayashi and Adachi 2017
• Kobayashi et al 2001
• Kobayashi et al 2003
• Kobayashi et al 2007
• Kobayashi et al 2008
• Kobayashi et al 2018
• Koch and Pagel 1978
• Kodera et al 2005
• Kodera et al 2007
• Koeplinger et al
• Kohl 1993
• Kohnhorst and Magnacca 1980
• Kojima et al 2012
• Kojima et al 2015
• Kokan et al 2004
• Kokkinakis et al 2023
• Kong et al 2020
• Kong et al 2021
• Kong et al 2024
• Konovalikhin et al 2018
• Kontinos 1996
• Kontogiannis et al 2016
• Kopp and Garbers 2014
• Kopp et al 1999
• Koppenwallner 1968
• Korabelnikov and Kuranov 2002
• Korabelnikov and Kuranov 2005
• Korte 1992
• Korte 2000
• Korte and Hodge 1994
• Korte and McRae 1989
• Korte et al 1991
• Koschel 1996
• Koschel and Rick 1991
• Koschel et al 1998
• Kose and Celik 2023
• Kostoff et al 2003
• Kostyk and Risch 2013
• Kostyukov 1980
• Kotel’nikov et al 2020
• Kothari et al 1996
• Kothari et al 2010
• Kourtides et al 1988
• Kozlovskii and Stankus 2014
• Kramer and Buhler 1980
• Krause et al 1991
• Krawczyk et al 1986
• Kremeyer and Pakhomov 2008
• Krikorian 1960
• Krivanek et al 2002
• Krouse and Ellis 1966
• Kubo et al 2014
• Kubota and Berg 1977
• Kubota and Uchida 1999
• Kudryavtsev et al 2009
• Kuipers et al 2007
• Kuipers et al 2008
• Kuipers et al 2009
• Kulkarni and Phan 2003
• Kulkarni et al 2024
• Kumar
• Kumar 1992
• Kumar 2022
• Kumar and Anderson 1986
• Kumar and Ghosh 2024
• Kumar and Mahulikar 2017
• Kumar et al 2001
• Kumar et al 2022
• Kumar et al 2023
• Kumar Gugulothu et al 2020
• Kumar Sulur Loganathan 2023
• Kumm and Bitondo 1953
• Kummitha 2022
• Kummitha 2022
• Kummitha 2024
• Kummitha and Kandula 2026
• Kummitha and Pandey 2020
• Kummitha and Pandey 2021
• Kummitha et al 2017
• Kundu 2013
• Kuntz et al 1986
• Kuntz et al 1987
• Kuo 1976
• Kuranov and Korabelnikov 2008
• Kuranov and Korabelnikov 2008
• Kuranov et al 2012
• Kuranov et al 2016
• Kuranov et al 2017
• Kurtz et al 2015
• Kurzke and Halliwell 2018
• Kurzke et al 2025
• Kussoy and Horstman 1989
• Kussoy et al 1993
• Kutschenreuter et al 1966
• Kuznetsov 1992
• Kwak and Lee 2011
• Kwak and Lee 2013
• Kwak and Lee 2013
• Kwak et al 2013
• Kydd 1959
• Kydd and Mullaney 1961
• La Sorsa et al 2025
• Labbé et al 1999
• Ladeinde 2019
• Ladeinde 2020
• Ladeinde 2020
• Laderman 1979
• Laderman and Demetriades 1977
• Ladyzhenskij 1963
• Lafferty and Marren 1996
• Lago et al 2012
• Lahaye and Heckman 1968
• Lambert
• Lambert and Coughlin 1967
• Lamorte et al 2011
• Lamy 1983
• Landau and Yeneriz 1965
• Lander 1968
• Landrum and Tournes 2002
• Landsberg et al 2016
• Landsberg et al 2020
• Landsberg et al 2021
• Landsberg et al 2022
• Lane and Kirlin 1978
• Lang 1981
• Lanshin et al 1996
• Large et al 1981
• Latvala and Anderson 1959
• Lau 2007
• Laurence 2023
• Laurence et al 2015
• Law 1976
• Law 2004
• Lawrence 1991
• Lawrence 1992
• Lazur et al 1999
• Le et al 2005
• Le et al 2006
• Le et al 2012
• Leadon and Scott 1956
• Leckie
• Lederer et al 1991
• Ledu and Pollak 1968
• Lee
• Lee 1977
• Lee 1995
• Lee 2006
• Lee 2006
• Lee 2012
• Lee and Glass 1982
• Lee and Gross 2021
• Lee and Gross 2022
• Lee and James T. 1963
• Lee and Jeung 2009
• Lee and Kang 2019
• Lee and Ombrello 2024
• Lee and Rasmussen 1978
• Lee et al 2000
• Lee et al 2001
• Lee et al 2005
• Lee et al 2007
• Lee et al 2013
• Lee et al 2015
• Lee et al 2021
• Lee et al 2022
• Lee et al 2026
• Lee et al 2026
• Lees and Hromas 1961
• Lees and Kubota 1972
• Lees and Reeves 1964
• Leger and Poggie 2014
• Legge 1995
• Lehoczky 1977
• Lehtinen and Zeller 1972
• Lei and Zha 2022
• Lei et al 2012
• Lei et al 2023
• Leighton 1964
• Leingang and Stull 1992
• Lempert and Miles 1995
• Lenard et al 1962
• Leng et al 2024
• Leonard and Hardy 2000
• Leonov et al 2007
• Leonov et al 2009
• Leonov et al 2011
• Leonov et al 2012
• Leonov et al 2018
• Leontiev et al 2000
• Lepsch and Naftel 1992
• Lepsch and Naftel 1993
• Levermore and Brio 1994
• Levikhin and Musteikis 2025
• Levin 2015
• Levin et al 2008
• Levy 1982
• Levy et al 1977
• Lewis 1991
• Lewis 2001
• Lewis 2003
• Lewis 2003
• Lewis 2010
• Leyland 1992
• Li 1974
• Li 1977
• Li 2007
• Li 2008
• Li 2019
• Li 2022
• Li 2022
• Li and Chen 2011
• Li and Fu 2010
• Li and Geiselhart 2024
• Li and Han 2025
• Li and Nagamatsu 1953
• Li and Shi 1993
• Li and Wang 2011
• Li and Wang 2017
• Li and Wey 1988
• Li and Wild 2026
• Li and Zhao 2014
• Li and Zhu 2012
• Li et al 2004
• Li et al 2007
• Li et al 2011
• Li et al 2012
• Li et al 2014
• Li et al 2014
• Li et al 2015
• Li et al 2015
• Li et al 2017
• Li et al 2017
• Li et al 2017
• Li et al 2017
• Li et al 2017
• Li et al 2017
• Li et al 2017
• Li et al 2017
• Li et al 2018
• Li et al 2018
• Li et al 2019
• Li et al 2019
• Li et al 2019
• Li et al 2019
• Li et al 2020
• Li et al 2020
• Li et al 2020
• Li et al 2020
• Li et al 2020
• Li et al 2020
• Li et al 2021
• Li et al 2021
• Li et al 2021
• Li et al 2021
• Li et al 2021
• Li et al 2021
• Li et al 2021
• Li et al 2021
• Li et al 2022
• Li et al 2022
• Li et al 2022
• Li et al 2022
• Li et al 2022
• Li et al 2023
• Li et al 2023
• Li et al 2023
• Li et al 2023
• Li et al 2023
• Li et al 2024
• Li et al 2024
• Li et al 2024
• Li et al 2024
• Li et al 2024
• Li et al 2024
• Li et al 2025
• Li et al 2025
• Li et al 2025
• Li et al 2025
• Li et al 2026
• Li et al 2026
• Li et al 2026
• Li et al 2026
• Li et al 2026
• Li et al 2026
• Lian et al 2012
• Lian et al 2013
• Lian et al 2013
• Lian et al 2025
• Liang et al 2013
• Liang et al 2021
• Liang et al 2022
• Liang et al 2024
• Liang et al 2025
• Liao et al 2023
• Libby et al 1963
• Liever et al 2004
• Light High-Temperature Aluminum Alloys 1992
• Lightweight low-cost flight test 2007
• Lijewski 1980
• Lillis 1987
• Lim et al 2025
• Limage 1996
• Lin and Luo 1995
• Lin and Shen 1997
• Lin et al 1991
• Lin et al 1995
• Lin et al 2006
• Lin et al 2007
• Lin et al 2008
• Lin et al 2026
• Lin et al 2026
• Lind et al 1999
• Lindsay and Fikes 1976
• Lindsey and McMullan 2006
• Lindstedt and Markaki 2009
• Ling et al 2025
• Lino et al 2024
• Linqi et al 2015
• Liou et al 2000
• Liou et al 2010
• Liquid Hydrocarbon Fuels for 2001
• Liquid-Phase Reactions of Vaporizing 1978
• Liston and Small 1992
• Litchford et al 2000
• Liu 1995
• Liu 2014
• Liu 2023
• Liu and Brown 2012
• Liu and Cao 2017
• Liu and Fang 2024
• Liu and Jiang 2013
• Liu and Liu 2022
• Liu and Lu 2011
• Liu and Squire 1986
• Liu and Yao 2021
• Liu et al 2002
• Liu et al 2005
• Liu et al 2005
• Liu et al 2007
• Liu et al 2009
• Liu et al 2010
• Liu et al 2014
• Liu et al 2014
• Liu et al 2014
• Liu et al 2015
• Liu et al 2016
• Liu et al 2016
• Liu et al 2016
• Liu et al 2016
• Liu et al 2017
• Liu et al 2018
• Liu et al 2018
• Liu et al 2019
• Liu et al 2019
• Liu et al 2019
• Liu et al 2019
• Liu et al 2019
• Liu et al 2019
• Liu et al 2020
• Liu et al 2022
• Liu et al 2022
• Liu et al 2022
• Liu et al 2022
• Liu et al 2022
• Liu et al 2022
• Liu et al 2022
• Liu et al 2023
• Liu et al 2023
• Liu et al 2023
• Liu et al 2023
• Liu et al 2024
• Liu et al 2024
• Liu et al 2025
• Liu et al 2025
• Liu et al 2025
• Liu et al 2025
• Liu et al 2025
• Liu et al 2026
• Liu et al 2026
• Liu et al 2026
• Lloyd 1959
• Lobb et al 1955
• Lobbia 2015
• Lobbia and Suzuki 2003
• Lockman 1967
• Lockwood et al 1996
• Lockwood et al 1999
• Lofthouse et al 2002
• Loh and Hui 1991
• Lohner and Yang 2002
• Longwell 1978
• Longwell and Weiss 1952
• Lonkar and Panda 2026
• Loper and Lightsey 1967
• Lord et al 1960
• Loth et al 2016
• Lovell and Schmidt 1994
• Lowell 1963
• Lu 1991
• Lu and Jiang 2019
• Lu and Liu 2011
• Lu and Liu 2012
• Lu and Mahapatra 2008
• Lu and Zhou 2017
• Lu et al 2012
• Lu et al 2016
• Lu et al 2016
• Lu et al 2016
• Lu et al 2025
• Lu et al 2025
• Lubarsky and Levy 1998
• Lubing et al 2017
• Lubing et al 2020
• Luboński 1964
• Luce 1949
• Lucquin and Antonik 1972
• Ludwig and Sulzmann 1961
• Luecke 1957
• Lugrin
• Lukasiewicz 1961
• Lumpkin and Chapman 1991
• Lunan 2015
• Luo 1999
• Luo and Baysal 1999
• Luo and Bray 1998
• Luo and Wang 2015
• Luo et al 2003
• Luo et al 2020
• Luo et al 2022
• Luo et al 2024
• Luo et al 2025
• Luo et al 2025
• Luo et al 2026
• Lux and Burkes 2008
• Lux-Baumann and Burkes 2005
• Lux-Baumann and Burkes 2006
• Lv and Zhou 2023
• Lv et al 2026
• Lynch 1968
• Lyon 1992
• Lüdeke and Schülein 2003
• M. A. Al-Nimr 2000
• Ma and Liu 2026
• Ma and Zhong 1999
• Ma et al 2006
• Ma et al 2020
• Ma et al 2021
• Ma et al 2022
• Ma et al 2023
• Maas et al 2004
• Maccormack 1989
• Mace and Nyberg 1992
• Macheret et al 2001
• Machnik et al 2022
• Mack et al 2009
• MacKenzie 1967
• Mackle
• Mackle and Jahn 2024
• Mackle et al 2024
• Maddalena and Gopal 2023
• Madden and Solomon 1993
• Madhumitha and Karmakar 2024
• Mahapatra et al 2008
• Mahato et al 2023
• Mahlmeister et al 1955
• Mahulikar et al 2008
• Maisaia 2023
• Maita et al 1990
• Majumdar 2011
• Makhija et al 2026
• Malik
• Mallikarjun et al 2023
• Malsur Dharavath et al 2023
• Mane et al 2026
• Mani and Haney 1994
• Mann and Garner 1977
• Manna et al 2023
• Mannai 1962
• Manoj Prabakar and Muruganandam 2019
• Manor et al 2002
• Maorui Zhang et al 2010
• Maples 1979
• Mar and Engel 1954
• Marchand 1989
• Marchello and Morgenthaler 1966
• Marconi et al 1976
• Marcum 2000
• Marcum 2001
• Margaritis et al 2024
• Markham et al 2002
• Markova et al 2017
• Marley and Driscoll 2017
• Marley and Driscoll 2018
• Marley and Driscoll 2022
• Marquart 1991
• Marren et al 2001
• Marschall 2011
• Marsh and Sears 1954
• Marshall and Davis 2001
• Marshall et al 2005
• Marshall et al 2005
• Marshall et al 2014
• Marston 1965
• Martel 1970
• Martel 1988
• Marteney et al 1982
• Martin 1996
• Martin and Gerber 1953
• Martin et al 1998
• Martínez Morán 2018
• Marvin 1968
• Mashburn 1969
• Mashio et al 2001
• Maslov 2001
• Massa 2022
• Massa and Pace 2025
• Masson et al 1989
• Mateer et al 1976
• Matheny and Smith 2026
• Mathur et al 2001
• Matsukawa 2011
• Matsunaga et al 2017
• Matsuo et al 2023
• Matsuyama et al 2003
• Matthews 1992
• Matthews 1993
• Matthews and Jones 2005
• Matthews and Trimmer 1969
• Matula 1965
• Maus et al 1983
• Maxwell 2016
• Maxwell 2017
• Maxwell 2017
• Maxwell 2019
• Maxwell and Goodwin 2017
• Maxwell and Goodwin 2018
• Maxwell and Goodwin 2018
• Maxwell and Hoang 2016
• Maxwell and Phoenix 2017
• May and Richey 1979
• Maydew 1964
• Mayer and Chalfant 2023
• Mayer and Paynter 1994
• Maynard et al 2025
• Mayne and Arloe W. 1979
• Mayo 1984
• Mayrhofer and Sachs 1999
• Mbagwu et al 2018
• McClinton 1976
• McClinton et al 1996
• McClinton et al 1998
• McClinton et al 1999
• McClinton et al 2001
• McClure and Sirbaugh 1991
• McConnell et al 1982
• McCormick et al 2010
• McCOWN et al 1966
• McCracken 1970
• McDaniel 1998
• McDaniel 2005
• McDonald 2025
• McDonald and Mavris 2000
• McDonald et al 2017
• McElderry 1973
• McGill 2000
• McGrory 2001
• McIntosh 1964
• McIntosh 1972
• McKenna 1990
• McKenzie and Fletcher 1993
• McLaren et al 1965
• McLean and Matoi 1986
• McMillin 1969
• McQuaid 2013
• McQuellin and Buttsworth 2024
• McQuellin et al 2020
• McRae and Edwards 2001
• McRae and Neaves 1998
• McRuer 1991
• McTaggart 1973
• Mease and Vinh 1988
• Measurement Techniques for Supersonic 1974
• Measuring kinematic parameters of 1998
• Meckler 1964
• Meckler 1965
• Medina et al 2021
• Medwick et al 1999
• Mee
• Mehta and Kutler 1994
• Mehta et al 2012
• Mehta et al 2025
• Melis and Gladden 1990
• Mendiratta and Choudhury 1978
• Mendoza 1995
• Meng et al 2020
• Meng et al 2022
• Meng et al 2024
• Meng et al 2024
• Menne et al 1994
• Menon 1989
• Menon 1990
• Menon 1991
• Menon 1992
• Menon and Jou 1990
• Menon et al 2003
• Menssen 2026
• Merkle 2007
• Merkli 1975
• Mermagen 1964
• Mermagen and Yalamanchili 1983
• Merz 1968
• Meshcheryakov and Yashina 2015
• Messersmith 1995
• Mestwerdt and Rambauske 1961
• Metallic SEAL Rings for
• Metghalchi 2009
• Methodology for Investigation of
• Meuwly 2014
• Meyer 1938
• Meyer 1969
• Meyer et al 1997
• Mi et al 2025
• Miao et al 2020
• Michalski et al 2018
• Micka and Driscoll 2008
• Micka and Driscoll 2009
• Midea 1991
• Miele 1962
• Miele and Hull 1963
• Miele and Pritchard 1963
• Miele and Saaris 1963
• Mifsud et al 2012
• Mikhail 1979
• Mikhaylov 2013
• Mikkelsen and Long 2005
• Mikulla and Horstman 1976
• Miles 1998
• Miles 2001
• Miles 2003
• Miles and Brown 2002
• Miles and Macheret 2006
• Miller 1965
• Miller 1999
• Miller and Smith 2003
• Miller et al 1956
• Miller et al 1997
• Miller et al 2011
• Millerd
• Milligan et al 2009
• Mills 2001
• Mills 2002
• Min et al 2009
• Min et al 2024
• Min et al 2026
• Minard and Falempin 2008
• Minato et al 2009
• Minato et al 2012
• Miner and Lewis 1974
• Mirmirani et al 2005
• Mirmirani et al 2009
• Mironov and Aniskin 2004
• Mishler and Wilkinson 1992
• Mitani 1995
• Mitani 1996
• Mitani and Izumikawa 2000
• Mitani and Kouchi 2005
• Mitani et al 2003
• Mittal et al 2026
• Mixing and Mixing Enhancement 1991
• Miyajima et al 1992
• Miyashita et al 2025
• Miyashita et al 2025
• Miyaura et al 2018
• Miyazaki et al 1986
• Miyazawa 2000
• Moga 1980
• Moger and Ramsay 1964
• Mohamadi and Tahsini 2023
• Mohieldin and Carson 2003
• Mohieldin et al 2001
• Mohieldin et al 2004
• Moin and Lele 1998
• Molina et al 1996
• Molvik and Merkle 1989
• Molvik et al 1992
• Molvik et al 1993
• Molvik et al 1993
• Mondal and Jagtap 2026
• Montagne et al 1988
• Montagne et al 1989
• Montes et al 2005
• Montgomery and Garrard 2005
• Montgomery et al 2006
• Mooij 2023
• Moon and Sung 2015
• Moore 1965
• Moran et al 2023
• Morani et al 2026
• Moreira and Azevedo 2005
• Morelli 2008
• Moretti and Byrne 1964
• Morgan and Casey 1991
• Morgan and Stalker 1985
• Morgan and Zander 2009
• Morgan et al 2012
• Morgan et al 2014
• Morgenthaler 1967
• Morger 1988
• Mori 1965
• Mori et al 2001
• Mori et al 2002
• Mori et al 2012
• Morimoto and Chuang 1998
• Morinishi 1999
• Morita et al 2020
• Morozkin 2026
• Morris and Brewer 1979
• Morris and Brewer 1979
• Morris and Robert W. 2012
• Morris and Robert W. 2013
• Morris et al 2002
• Morris Jr and Davis 2013
• Morrison 1985
• Morrison and Ianculescu 1992
• Moses et al 1999
• Moss and Price 1996
• Moss and Simmonds 1987
• Moss et al 2006
• Moss et al 2026
• Moszee and Moszee 1997
• Mott and Oran 2001
• Moulic 1963
• Moura and Borges Ribeiro 2025
• Moura and Ribeiro 2024
• Moyer 1963
• Moyer and Wool 1970
• Mrozinski and Hayes 1999
• Mu et al 2022
• Mudaliar et al 2022
• Mueller 1989
• Mueller et al 1977
• Muhammad Haseeb 2025
• Mukherjee and Thomson 2009
• Mungal 1998
• Munipalli et al 2005
• Munuswamy and Govardhan 2022
• Mura and Sabelnikov 2021
• Murbach 1993
• Murphy et al 2004
• Murray and Hillier 2009
• Murray and Steelant 2009
• Mursenkova et al 2021
• Mursenkova et al 2022
• Mursenkova et al 2023
• Murty and Chakraborty 2011
• Murugan and Govardhan 2016
• Muruganandam et al 2026
• Murzionak
• Musa et al 2018
• Musa et al 2022
• Musa et al 2024
• Musal 1962
• Musielak and Musielak 1997
• Muslubas and Eyi 2015
• Myong 1999
• Nadler 2003
• Naegeli 1997
• Naftel et al 1986
• Nagamatsu 1989
• Nagamatsu et al 1960
• Nagamatsu et al 1961
• Nagao et al 2019
• Nagarajan Kirupakaran et al 2023
• Nagdewe and Shevare 2006
• Nagel 1967
• Nagel and Becker 1973
• Nagendra Babu et al 2018
• Nagy 1979
• Nair et al 2003
• Nair et al 2005
• Nair et al 2020
• Nair et al 2022
• Nair et al 2023
• Najafiyazdi 2005
• Najafiyazdi 2005
• Nakagawa and Kuwahara 1992
• Nakamori and Nakamura 1995
• Nakaya et al 2015
• Nakayama et al 2018
• Nalabala and Dinda 2024
• NamKoung et al 2012
• Nance 2013
• Nangia 2011
• Naraghi et al 2006
• Narayan 1994
• Narayan and Kumar 1989
• Narayanan et al 1992
• Nardo and Sadler 1962
• Nardozzo et al 2019
• NASA Glenn Research Center’s 2002
• Nash et al 2017
• Nash et al 2018
• Natan 1987
• Natan and Gany 1989
• Naumann et al 1993
• Naval Ordnance Systems Command Washington Dc 1957
• Naveira et al 2007
• Navier-Stokes Equations for Partially 2018
• Nayal et al 2020
• Neaves and McRae 1995
• Neaves et al 2001
• Neely and Tjong 2008
• Neely and Tracy 2006
• Negaard 1979
• Negishi et al 2015
• Nelson 1967
• Nestler 1970
• Netzel et al 1961
• Neumann 1993
• Neumann et al 1978
• Neuwerth et al 1998
• Neuwerth et al 1999
• New-Generation Hypersonic Adiabatic Compression 2002
• Newberry et al 1988
• Newman et al 1992
• Ng and Dressler 2002
• Ngo
• Ngoc Long 2016
• Nguyen and Massa 2023
• Nguyen and Massa 2024
• Nguyen et al 2011
• Nguyen et al 2024
• Nguyen-Bui and Duffa 2004
• Nichols and Heikkinen 2010
• Nichols et al 2011
• Nichols et al 2015
• Nickerson et al 1988
• Nicolae Tudosie 2018
• Nicolaides and Brady 1959
• Nicoll 1962
• Nie and Liu 2013
• Nie et al 2019
• Nietubicz 1975
• Niewöhner 2018
• Nikaido and Hobson 2025
• Nikhilesh and Rao 2023
• Ning
• Ning 1981
• Nishiguchi et al 2025
• Nishimura 2014
• Nishino 1993
• Nishio 1996
• Nishio and Hagiwara 1998
• Niu and Chen 2024
• Niu and Chen 2025
• Niu and Piao 2016
• niu and wang 2023
• Niu et al 2018
• Nixon and Henderson 1966
• Nobe 1975
• Noda 1988
• Noftz and Jewell 2025
• Nompelis et al 2005
• Nompelis et al 2007
• Nompelis et al 2011
• Non-empirical analytical model of 2019
• Nondestructive Evaluation and Health 2014
• Noori and Karimian 2008
• Noraml and Oblique Shock 1986
• Nordin-Bates and Fureby 2015
• Nordin-Bates et al 2017
• Norfleet and Loper 1966
• Norimatsu et al 2026
• Norimatsu et al 2026
• Normal and Oblique Shock 1986
• Norris 2006
• North American Aviation Inc Los Angeles Ca 1964
• Northam 1985
• Northam and Anderson 1986
• Northam et al 1988
• Northrop Aircraft Inc Hawthorne Ca 1952
• Norton 1990
• Norton 1990
• Novelli and Koschel 2001
• Nowack and Delfosse 1980
• Numerical Analysis of Two-Dimensional 2015
• Numerical Modeling of Combustion 1991
• Numerical Research of Three-Dimensional 2008
• Numerical Simulation on Hypersonic 2015
• Numerical Simulations of Oblique 2006
• Nusca 1989
• Nydick et al 1995
• O’Brien and Lewis 2000
• O’Brien and Lewis 2001
• O’Byrne et al 2005
• O’Byrne et al 2011
• O’Byrne et al 2014
• O’Neal et al 2026
• O’Neill and Lewis 1992
• O’Neill and Lewis 1992
• O’Neill and Lewis 1993
• O’Rorke and Cuppoletti 2024
• Oamjee and Sadanandan 2020
• Oamjee and Sadanandan 2020
• Oba and Gonda 2014
• Obermark 2004
• Obikane 1984
• Oblique Shock and Expansion 2019
• Oblique Shock Wave Angle 2000
• Oblique Shock Wave Angle 2015
• Oblique Shock Waves 2013
• Oblique Shock Waves in 1983
• Oblique-Shock Chart 2017
• Ochi 2004
• Odabas and Sarigul-Klijn 1992
• Oehlschlaeger 2010
• Ogawa and Babinsky 2008
• Ogawa and Boyce 2013
• Ogawa et al 2009
• Ogg and Schetz 1979
• Ogg and Schetz 1980
• Ognjanovic et al 2017
• Ogren et al 1974
• Okamoto et al 2002
• Okojie et al 2009
• Okuno and Watanabe 1992
• Olfe 1964
• Oliveira Júnior et al 2021
• Olivier et al 1993
• Olivon et al 2024
• Olivon et al 2026
• Olsen 1965
• Ombrello et al 2015
• On ascent guidance of 1994
• Ootao and Ishihara 2013
• Ootao and Tanigawa 2005
• Opalka 1968
• Oppenheimer and Doman
• Oppenheimer and Doman 2006
• Oppenheimer et al 2007
• Oppenheimer et al 2008
• Oppenheimer et al 2008
• Optimal Aerodynamic Shapes Of 1996
• Optimization design of dual 2023
• Orikasa and Watanabe 2025
• Orlik et al 2009
• Ormsbee 1962
• Ortloff 1968
• Ortwerth and Goldman 1996
• Osgerby et al 1969
• Osgerby et al 1969
• Oswald et al 1995
• Ota and Chapman 1983
• Ota and Chapman 1984
• Ou et al 2024
• Ou-zi and Jin-sheng 2011
• Ouzts 2008
• Ouzts et al 1992
• Ouzts et al 2009
• Oveissi et al 2024
• Owen and Owen 2007
• Owotunse et al 2023
• Ozawa et al 2008
• Ozawa et al 2014
• Pace and Massa 2022
• Padmapriya and Reddy 1998
• Pagan et al 2001
• Pagel and Warmbold 1968
• Pal and Roy 2024
• Palej and Palacz 2018
• Palko 1975
• Palmer
• Palmer and Venkatapathy 1993
• Palomero
• Palomino 2022
• Pamadi et al 2004
• Pamadi et al 2006
• Pamadi et al 2009
• Pan et al 2009
• Pandey and Sivasakthivel 2011
• Pandey and Sivasakthivel 2011
• Pane
• Panfilov et al 2021
• Papinczak
• Paquette and Palko 2004
• Paredes et al 2017
• Parihar and Patil 2011
• Park 1996
• Park and Jeon 2024
• Park et al 2000
• Parker 2022
• Parkes 1956
• Parmar et al 2026
• Parsons and Richmond 1969
• Parthasarathy et al 2014
• Parton 2018
• Pasha et al 2012
• Pasiuk 1963
• Patel and Chudoba 2026
• Patra and Lee 2018
• Paul et al 2014
• Paull 1999
• Paull et al 1995
• Paull et al 1995
• Paus and Well 1996
• Pawlak 1994
• Paynter 1994
• Paynter and Chen 1983
• Peacock et al 1980
• Peake
• Pearce et al 2002
• Pei and Hou 2014
• Pein and Vinnemeier 1989
• Pelevin and Ponomarev 2018
• Pelevin and Ponomarev 2021
• Pellett et al 2002
• Peng 2023
• Peng and Smith 1996
• Peng and Zhong 2022
• Peng et al 2014
• Peng et al 2019
• Peng et al 2019
• Peng et al 2024
• Peng et al 2026
• Penland and Romeo 1971
• Perchonok 1960
• Percy and Fields 1990
• Performance analysis of hydrocarbon-fueled 1999
• Peri et al 2024
• Perlini et al 2026
• Perminov 1969
• Perrier and Rostand 1994
• Perrier et al 1995
• Perrier et al 1996
• Perrot and Hadjadj 2005
• Persh 1955
• Persova et al 2017
• Peters and Phares 1976
• Petersen 1981
• Peterson 2019
• Peterson and Hassan 2017
• Peterson and Hassan 2018
• Petha Sethuraman et al 2020
• Petha Sethuraman et al 2023
• Petley and Dziedzic 1993
• Petley and Jones 1990
• Petrie 1965
• Pettinari et al 2012
• Pezzella et al 2014
• Pfaff 1965
• Pfaff 1968
• Phillips and Cruz 1991
• Phillips and Cruz 1993
• Piao et al 2019
• Piccirillo et al 2023
• Pichler 2023
• Piet-Lahanier and Serre 2017
• Pike 2006
• Pinheiro Maia et al 2020
• Pionessa and Kinzel 2024
• Pisano and Whitfield 2024
• Piscitelli et al 2017
• Piscopo et al 2024
• Pitman
• Plank 1975
• Plank and Penning 1973
• Platou 1959
• Platou 1968
• Platz and Bounajem 1992
• Poggie 2006
• Poggie 2008
• Polivanov et al 2010
• Polivanov et al 2016
• Pollock and Wild 2024
• Pollock et al 2023
• Pope 1982
• Pope 1984
• Pope and Maydew 1959
• Popinski 2019
• Poplavskaya 2002
• Porro and Hingst 1993
• Porter 1965
• Porter and Poggie 2017
• Portis et al 2024
• Potapkin and Moskvichev 2008
• Potturi and Edwards 2013
• Poudel and Shoele 2026
• Poulain et al 2009
• Povinelli 1991
• Povinelli 1996
• Povinelli 1996
• Povitsky et al 2021
• Powers and Robinson 1992
• Powers et al 1986
• Pozefsky 1989
• Prabhu 1995
• Prabhu and Tannehill 1984
• Prakash and Singh 2021
• Prakash et al 2010
• Prakash et al 2024
• Pratt and Heiser 1993
• Preliminary Thermal/Structural Analysis of 1992
• Preller
• Preller and Smart 2012
• Pressures and Temperatures for 2000
• Primary Flight Control Hydraulic
• Principles of Hypersonic Test 2002
• Priyamvada et al 2015
• Probabilistic Assessment of Thermal 1992
• Probstein 1953
• Prokesch et al 2024
• Properties of the U.S 2014
• Properties of the U.S 2024
• Propulsion System Performance and 1991
• Pruett and Chang 1998
• Pruitt and Bates 1992
• Pu and Yuan 2026
• Pu et al 2017
• Pulsonetti
• Purvis 1984
• Purvis and Meehan 1984
• Qi and Jianliang 2017
• Qi et al 1998
• Qi et al 2015
• Qian et al 2016
• Qiao et al 2024
• Qiao et al 2025
• Qifan et al 2014
• Qin Changmao et al 2010
• Qin et al 2008
• Qin et al 2012
• Qin et al 2013
• Qin et al 2013
• Qin et al 2015
• Qin et al 2019
• Qin et al 2026
• Qiu et al 2017
• Qiu et al 2021
• Qu et al 2019
• Quadros and Bernardini 2018
• Quan et al 2024
• Quick et al 2005
• Quinlan
• Quinlan et al 2014
• Quinn 1978
• Quinn and Gong 1990
• Rabadan and Weigand 2013
• Rabadan Santana and Weigand 2012
• Radiation Properties of Hypersonic 2018
• Radiative Heat Transfer In 2018
• Rafla 2019
• Raghunandan and Ruffin 2016
• Raghunathan and McAdam 1983
• Rahimi et al 2026
• Rahman et al 2017
• Raj 1987
• Rajamanohar and Kurian 1996
• Rajan 1970
• Ram and Kim 2019
• Ramakrishnan and Singh 1993
• Ramalingam et al 2003
• Ramanujachari 2022
• Ramasubramanian et al 2008
• Ramaty et al 1982
• Ramjet supersonic “flight tests” 1958
• Ramprakash and Muruganandam 2016
• Ramunno et al 2021
• Rana et al 2011
• Rana et al 2013
• Ranard and Davison 1961
• Rand 1963
• Raney et al 1993
• Rao et al 2023
• Rasky et al 1998
• Rasmussen 1978
• Rasmussen and Soares 1989
• Rasmussen and Stevens 1987
• Rasmussen et al 2005
• Rasmussen et al 2007
• Ratchford et al 2025
• Rathakrishnan 2025
• Rauh et al 2026
• Rault 1992
• Rault 1992
• Ravichandran et al 2023
• Ravindran et al 2019
• Razzaqi and Smart 2009
• Reardon et al 2021
• Reba 1964
• Reba and Christian 1963
• Recent Advances in Structures 1978
• Reda 1977
• Reddecliff and Weber 1998
• Reddy et al 1989
• Rediess and Melton 1994
• Reed 1997
• Reed 2013
• Regan 1964
• Rehman et al 2009
• Rehman et al 2010
• Reimer et al 2023
• Reimer et al 2025
• Reimer et al 2026
• Reklis and Conti 1984
• Relangi et al 2021
• Relangi et al 2023
• Ren 2009
• Ren and Yang 2017
• Ren et al 2017
• Repic et al 1973
• Report No. 538, altitude-pressure 1935
• Resch et al 1992
• Research and Technology Organisation Rto 2005
• Research Instrumentation Requirements for 1974
• Research Progress in Active 2026
• Reshotko 1987
• Response of Miniature Pressure 1974
• Reubush 1999
• Reubush et al 2001
• Review of Inlet/Airframe Integration 1986
• Reviznikov et al 2018
• Reynolds 1977
• Rhea and Moore 1988
• Rhisat and Molki 2024
• Rhudy et al 1960
• Riabov 1994
• Riabov 2002
• Riabov 2003
• Riabov 2011
• Riabov and Botin 1999
• Riabov and Riabov 1997
• Ricciardi 1991
• Ricciardi and Minwalla 2016
• Rice
• Rich and Mellor 1995
• Richards 1978
• Richards 1979
• Richardson 1976
• Richardson and Herrmann 1966
• Richey et al 1968
• Richey et al 1983
• Riedelbauch and Brenner 1990
• Riedelbauch et al 1989
• Rieken et al 2020
• Rigamonti et al 2026
• Rigamonti et al 2026
• Riggins 2004
• Riggins et al 1992
• Riggins et al 2006
• Righi 2015
• Riis et al 2024
• Riley and Dejarnette 1992
• Riley et al 2015
• Riley et al 2016
• Riley et al 2017
• Risha 2000
• Rivello 1965
• Rizk 1993
• Rizzetta 1991
• Rizzetta 1994
• Rizzetta 1996
• Rizzetta and Visbal † 2004
• Roberts and Brown 1988
• Roberts and Shawler 1994
• Robertson and Hartfield 1992
• Robinson, Jeffrey S. et al 2006
• Roby et al 2003
• Rocci Denis et al 2003
• Rockwell et al 2010
• Rockwell et al 2023
• Rodi 2012
• Rodi 2012
• Rodi 2018
• Rodi 2020
• Rodighiero
• Rodriguez 2007
• Rodriguez et al 2000
• Rodriguez-Segade et al 2020
• Rodríguez Fuentes and Parent 2022
• Roga 2019
• Roga 2019
• Roga 2023
• Rogers and Kaplan 1963
• Rogers et al 1976
• Rogers et al 1998
• Rogg et al 2020
• Rohl and Cowling 1965
• Roland and Rumpfkeil 2017
• Roland et al 1966
• Rom 1965
• Rong 2017
• Rong et al 2016
• Rooker 1970
• Roos et al 2020
• Rose and Teare 1964
• Roseberry 2025
• Rosner and Cibrian 1974
• Rotating detonation combustion of 2023
• Roth and Mavris 1999
• Rothschild and Schuster 1999
• Rotta 1966
• Roudakov et al 1996
• Roudakov et al 1998
• Rouel and Richards 1975
• Rouel and Richards 1975
• Roundy 1979
• Rowan
• Rowan and Paull 2005
• Rowan Gollan
• Rowley and Thornton 1994
• Roy 2008
• Roy and Durscher 2011
• Roy et al 2011
• Ruan
• Ruan et al 2020
• Rubey 1985
• Rubey 1985
• Rubins and Rhode 1963
• Rubio and Ballard 1967
• Ruble 1964
• Rudey and Grobman 1978
• Rudiments and Methodology for 2001
• Rued et al 1991
• Ruf et al 1999
• Ruf et al 2001
• Ruffin 1996
• Ruhnke et al 1965
• Ruimin and Jianguo 2018
• Ruoling et al 2012
• Russin 1975
• Sabean and Lewis 1999
• Sabelnikov and Vlasenko 2017
• Sabry and Hussin 2026
• Sacher and Zellner 1995
• Sachs et al 1991
• Sachs et al 1995
• Sachs et al 1996
• Sacks 1996
• Saheby et al 2015
• Saheby et al 2017
• Sahu 1986
• Sahu 2007
• Sahu et al 2024
• Sahut et al 2024
• Sai Naga Bharghava et al 2024
• Said and Gupta 2016
• Saida 1986
• Saito et al 2004
• Saito et al 2005
• Salloum et al 2018
• Salooja 1968
• Samimy et al 2011
• Samtaney and Pullin 1998
• San Martin et al 2025
• Sanaka et al 2023
• Sandborn and Heron 1963
• Sandeep 2023
• Sanders and Weir 1999
• Sanders and Weir 2008
• Sanderson 1965
• Sanderson 1987
• Sanderson 2003
• Sanderson 2010
• Sandham 2026
• Sandlin and Pessin 1993
• Sandoz and Klaeyle 2021
• Sandoz et al 2024
• Sankar and Kelkar 1995
• Santhy et al 2022
• Santos 2008
• Santos 2011
• Santos 2012
• Santos and Borges Ribeiro 2025
• Santos and Lewis 2003
• Santos et al 2020
• Sappey et al 2009
• Sapunkov 1966
• Saqib and Linshu 2007
• Saranathan and Grant 2016
• Sardeshmukh et al 2014
• Sargent and Bielawski 1970
• Saric 2012
• Sarosh 2021
• Sarosh et al 2012
• Sarout and Paramasivam 2020
• Sarout et al 2020
• Sathiyamoorthy et al 2018
• Sathiyamoorthy et al 2020
• Sato et al 1997
• Sato et al 2019
• Saunders et al 2007
• Savelkin et al 2015
• Savino and Pezzella 2003
• Savino et al 2004
• Sawai et al 2003
• Sawley and Wüthrich 1995
• Sayapin 1966
• Sayir 2006
• Sayir and Sehirlioglu 2009
• Scaggs 1966
• Scaggs et al 1963
• Scaggs et al 1992
• Scala 1962
• Scala and Nolan 1960
• Schaber et al 1991
• Schaupp and Friedrich 2010
• Scherding
• Scherding et al 2024
• Schettino and Borrelli 1998
• Schetz et al 1980
• Schetz et al 1982
• Schiavazzi and Juliano 2020
• Schindel 1989
• Schindel 1991
• Schindel 1999
• Schindel 2005
• Schmatz 1989
• Schmidt 1988
• Schmidt and Velapoldi 1999
• Schneider 2000
• Schneider 2001
• Schneider 2006
• Schneider 2009
• Schneider and Myers 1979
• Schneider and Reed 2003
• Schneider et al
• Schneider et al 2003
• Schneider et al 2003
• Schobert 2007
• Schobert 2008
• Schoeler 1978
• Schoeler 1987
• Schram and Narayanaswamy 2026
• Schram et al 2025
• Schuelein 2014
• Schueler 1963
• Schulte-Roedding and Olivier 1998
• Schumacher 1952
• Schunk and Chung 2000
• Schwanekamp 2014
• Schwartzentruber and Boyd 2013
• Schwartzentruber et al 2012
• Schwegler - Lanl and Place - Honeywell 2000
• Schweikart and Hallion 1998
• Schweikhard 1983
• Science Communication Inc McLean Va 1960
• Scigliano et al 2020
• Scott 1992
• Scotti et al 1988
• Scramjet Combustion 2022
• Scramjet Combustor 2022
• Scramjet Engine Research athe 2001
• Scramjet Inlet/Forebody and Isolator 2022
• Scribben and Withrow 2006
• Scuderi 1978
• Scuderi et al 1998
• Seal between two elements 2011
• Seckin and Yuceil 2013
• Seebaugh 1973
• Segal 2009
• Segal 2010
• Segal 2010
• Segal 2011
• Segal and Thakur 2005
• Segal et al 1991
• Segal et al 1997
• Segura 2007
• Seibert and Nieh 2012
• Sekar and Vaidyanathan 2025
• Sekar et al 1990
• Self-starting Simulation of a 2020
• Sellers and Hunerwadel 1977
• Semenov et al 1998
• Sepahi-Younsi 2025
• Sepahi-Younsi and Esmaeili 2023
• Serio et al 1998
• Serrani and Bolender 2014
• Serre 2009
• Serre and Falempin 2001
• Serre and Falempin 2008
• Serre et al 2011
• Seshadri 1990
• Seshadri 2008
• Settles and Dodson 1994
• Sevigny et al 1972
• Sforza 1967
• Sforza 2017
• Sforza 2017
• Sforza 2017
• Sforza 2017
• Shachar et al 2025
• Shadow 1987
• Shajahan et al 2025
• Shakiba and Serrani 2011
• Shang
• Shang 2005
• Shang 2007
• Shang 2008
• Shang 2008
• Shang 2009
• Shang and Chang 2007
• Shang and Surzhikov 2011
• Shang et al 1976
• Shang et al 2006
• Shang et al 2007
• Shang* 2009
• Shanmugam and Sun Park 2024
• Shaohua and Xu 2017
• Sharma et al 2022
• Sheffer and Dulikravich 1993
• Sheldon 1967
• Shen et al 2014
• Shen et al 2020
• Shen et al 2021
• Sheng et al 2021
• Sherman and Cook 1963
• Shetty et al 2025
• Shevelev 2018
• Shi 2016
• Shi et al 1994
• Shi et al 2010
• Shi et al 2015
• Shi et al 2017
• Shi et al 2017
• Shi et al 2020
• Shi et al 2021
• Shih et al 1988
• Shikman et al 2001
• Shilnikov and Elizarova 2018
• Shimura et al 1996
• Shinde and Gaitonde 2022
• Shirasu et al 1996
• Shneider and Macheret 2004
• Shock tunnel and numerical 2012
• Shock Wave-Boundary Layer Interactions
• Shope 2006
• Shorenstein 1971
• Short 1961
• Shou and Li 2026
• Shreeve et al 1961
• Shuai et al 2022
• Shubhankar Bhakta et al. 2018
• Shucheng and Xijun 1994
• Shuguang et al 2015
• Shumway 2000
• Shuping Tan and Zhibin Li 2010
• Shvets et al 2005
• Shvydkyi 2023
• Si et al 2019
• Sicard et al 2006
• Sicard et al 2008
• Siddiqi and Abraham 1988
• Sidharth and Dwivedi 2026
• Sidharth and Dwivedi 2026
• Siebenhaar and Bogar 2006
• Siebenhaar et al 1999
• Silva Marques Soares et al 2021
• Silverstein 1971
• Silvester and Morgan 2004
• Simeonides
• Simmons 1989
• Simmons 2000
• Simmons and Meritt 2022
• Simmons et al 1989
• Simmons et al 1992
• Simmons et al 1995
• Simone and Bruno 2009
• Simone and Bruno 2010
• Simons 1975
• Simpson 1979
• Sims and Hahn 1964
• Simsont et al 2012
• Simulation in support of 1988
• Singh and Gahlot 2023
• Singh and Rajagopal 2026
• Singh et al 1989
• Singh et al 1990
• Singh et al 2018
• Singh et al 2023
• Singh et al 2023
• Singh et al 2025
• Siqueira et al 2019
• Sislian et al 2000
• Sitaraman et al 2021
• Situ et al 1999
• Situ et al 2001
• Situ et al 2002
• Sivells 1963
• Sivells 1969
• Sivells and Payne 1959
• Skews 1994
• Skujins and Cesnik 2010
• Skujins and Cesnik 2011
• Slapikas et al 2022
• Slater 2016
• Slater and Gruber 2005
• Slater and Saunders 2009
• Slavick and Hiremath 2023
• Slivinsky 1977
• Slivinsky and Patumtawapibal 1980
• Slutsky et al 1969
• Smarslok 2015
• Smart 1999
• Smart and Kalkhoran 1995
• Smart and Kalkhoran 1995
• Smart and Ruf 2006
• Smart and Tetlow 2006
• Smart and Trexler 2003
• Smart et al 1998
• Smart et al 2006
• Smayda
• Smayda and Goyne 2011
• Smeets and Quenett 1997
• Smeltzer and Sorensen 1972
• Smiley and Camberos 2024
• Smith 1953
• Smith 1967
• Smith 2011
• Smith 2021
• Smith and Baxter
• Smith and Beuyukian 1979
• Smith and Carver 1993
• Smith and Chase 1976
• Smith and Farokhi 2015
• Smith and Farokhi 2015
• Smith and Farokhi 2015
• Smith and Farokhi 2018
• Smith and Good 1979
• Smith et al 2004
• Smith et al 2007
• Smith et al 2011
• Smits 1986
• Smits 1988
• Smooke and Gomez 2012
• Snyder 2003
• Sobel and Nawaz 1972
• Sobieczky 1991
• Sobieczky 2026
• Soltani et al 2011
• Son et al 2022
• Son et al 2024
• Son et al 2024
• Song and Choi 2020
• Song et al 1992
• Song et al 2006
• Song et al 2019
• Song et al 2026
• Song et al 2026
• Soni and De 2017
• Sorensen and Bencze 1973
• Southwest Research Inst San Antonio Tx 1963
• Space environment natural and
• Space systems. Launch-vehicle-to-spacecraft flight
• Spearman 2003
• Spekreijse 1991
• Speyer et al 1980
• Spravka and Jorris 2015
• Spravka and Jorris 2015
• Spring 1972
• Sridharan and Rodriguez 2013
• Srikant et al 2010
• Srinivas 1992
• Srivastava 1994
• Srivastava 1994
• Staack and De 2000
• Stalker 1989
• Stalker 1992
• Stalker and Morgan 1984
• Stalker et al 1988
• Stalker et al 1994
• Stallings and Hartman 1981
• Standard Atmosphere 1997
• Standard Atmosphere 2005
• standard atmosphere 2014
• Standard Atmosphere 2023
• Standard Atmosphere 2024
• Standard atmosphere chart 1927
• Standard atmosphere chart supersedes 1927
• Standard Atmosphere Data 1992
• Standard Atmospheric Profilesa aSource 2002
• Stanley et al 2000
• Starikovskiy et al 2024
• Starkey 2009
• Starkey 2014
• Starkey and Lewis 1999
• Starkey and Lewis 1999
• Starkey and Lewis 2000
• Starkey et al 2005
• Starkey et al 2006
• Stebbins and Loth 2024
• Stecklein et al 1993
• Steelant and van Duijn 2011
• Steele et al 1987
• Stefaniya et al 2025
• Stein et al 1993
• Steinetz 1990
• Steinetz 1992
• Steinetz et al 1991
• Steinetz et al 1991
• Steinetz et al 1992
• Stemmer and Adams
• Sterbenz et al 2011
• Stern 1983
• Sternberg 1963
• Sterne 1958
• Stetson 1990
• Stetson and Sawyer 1977
• Steva
• Stevens 2014
• Stewart 1981
• Stewart and Quigg 1963
• Stewart et al 1992
• Stokes and Acharya 2023
• Stokes and Lombaerts 2023
• Stokes et al 2023
• Stolarik 2007
• Stollery 1990
• Stoloff and Jone 1997
• Stone 1945
• Stone 1975
• Stone 2024
• Stottier 1995
• Stoukov et al 1997
• Strauss et al 2025
• Strauss et al 2026
• Strawa et al 1990
• Strawn and Kobayashi 1984
• Streby et al 1999
• Street
• Streiff 1953
• Striebich et al 2008
• Strock 1983
• Strome 1969
• Stroud and Rummler 1980
• Strutjet Rocket-Based Combined-Cycle Engine 2001
• Study of Combustion and 1991
• Stull et al 1974
• Sturek and Schiff 1981
• Sturek et al 1983
• Sturek et al 1983
• Su et al 2018
• Subbiah and Stefaniya 2025
• Subramanian et al 2025
• Subrata 2007
• Suchomel et al 2006
• Sudalagunta et al 2018
• Suetin and Kartsev 1993
• Sugarno et al 2022
• Sullins 1993
• Sullins and Billig 1987
• Sullins et al 1991
• Sullivan and Gaitonde 2022
• Summerfield 1992
• Summors
• Sun 2008
• Sun and Xin 2014
• Sun and Zhang 2011
• Sun and Zhang 2016
• Sun and Zhu 2019
• Sun et al 2005
• Sun et al 2008
• Sun et al 2009
• Sun et al 2013
• Sun et al 2016
• Sun et al 2019
• Sun et al 2020
• Sun et al 2020
• Sun et al 2020
• Sun et al 2020
• Sun et al 2020
• Sun et al 2020
• Sun et al 2021
• Sun et al 2023
• Sun et al 2023
• Sun et al 2025
• sun et al 2026
• Sun Jian and Liu Wei-Qiang 2014
• Sundén and Fu 2017
• Suneetha et al 2019
• Sung et al 2001
• Sung et al 2001
• Sung et al 2025
• Sung et al 2026
• Supersonic Combustion Flowfield Studies 1977
• Supersonic Combustion Processes 2009
• Suppe 2000
• Surber 1975
• Surber and Robinson 1983
• Surber and Sedlock 1978
• Surget and Dunet 1993
• Suryanarayana et al 2026
• Surzhikov 2009
• Surzhikov 2013
• Surzhikov 2021
• Surzhikov 2021
• Surzhikov and Surzhikov 1997
• Surzhikov et al 2013
• Sushma et al 2025
• Sutton et al 1995
• Sutton et al 1997
• Suzuki 2016
• Suzuki and Watanabe 2013
• Svendsen 1994
• Swain et al 2020
• Swann et al 1981
• Swanson et al 2007
• Swanson et al 2015
• Swigart 1962
• Swigart 1963
• Swithebank and Chigier 1969
• Swithenbank and Jaques 1970
• Swithenbank et al 1992
• Syberg et al 1980
• Sykes
• Sylvester 1967
• Szema et al 2010
• Szwaba and Doerffer 2017
• Tabanli and Yuceil 2018
• Tachinina et al 2018
• Taghi-Abad et al 2026
• Taguchi and Kashitani 2025
• Taguchi et al 2009
• Taguchi et al 2014
• Taha et al 2001
• Tahir 2021
• Tahir et al
• Takahashi 2005
• Takahashi 2012
• Takahashi et al 1998
• Takahashi et al 2005
• Takahashi et al 2007
• Takahashi et al 2013
• Takahashi et al 2020
• Takahashi et al 2023
• Takahashi et al 2025
• Takama 2011
• Takasaki et al 1998
• Takashima 1992
• Takashima and Kothari 1998
• Takashima and Lewis 1995
• Takashima and Lewis 1996
• Takashima and Lewis 1999
• Takashima et al 1996
• Takegoshi et al 2012
• Talantov 1959
• Talcott and Hunt 1977
• Talmage 2008
• Tam and Li 1989
• Tam et al 2005
• Tam et al 2006
• Tam et al 2007
• Tam et al 2008
• Tam et al 2008
• Tam et al 2011
• Tam et al 2012
• Tan and Bogdonoff 1985
• Tan and Wang 2015
• Tan et al 2009
• Tan et al 2011
• Tanatsugu and Carrick 2003
• Tandon et al 2006
• Tang et al 2005
• Tang et al 2018
• Tang et al 2020
• Tang et al 2021
• Tang et al 2023
• Tang et al 2023
• Tang et al 2024
• Tang et al 2025
• Tang et al 2025
• Tang et al 2025
• Tang et al 2025
• Tang et al 2026
• Tani et al 2000
• Tanigawa 1999
• Tanigawa et al 1996
• Tanjung 2022
• Tanno and Tanno 2021
• Tanno et al 2015
• Tao 1995
• Tao et al 2008
• Tao et al 2008
• Tao et al 2009
• Tao et al 2016
• Tarfeld 2003
• Tarnavskii 2005
• Tarpley and Lewis 1993
• Tarpley and Lewis 1995
• Tarpley and Lewis 1995
• Tarpley et al 1996
• Tatman
• Tatsuta et al 2025
• Taylor 1959
• Taylor and Jackson 1977
• Tchuen and Burtschell 2011
• Tchuen et al 2008
• Techniques for Hot Structures 1992
• Teng et al 2012
• Teng et al 2016
• Teng et al 2017
• Tepe et al 1963
• Testing Methods and Wind 2009
• Tetlow and Doolan
• Thakur and Segal 2003
• Thakur and Segal 2004
• Thakur and Segal 2006
• The AEDC Hypervelocity Wind 2002
• The Agard Flight TEST 1959
• The Flight Environment Standard 2021
• The International Standard Atmosphere 2017
• The international standard atmosphere 2026
• The ONERA F4 High-Enthalpy 2002
• The SCIROCCO 70-MW Plasma 2002
• The Standard Atmosphere 1964
• The Standard Atmosphere 1976
• The Theoretical Study of 2012
• Thermal Structural Analysis of 1992
• Thermal Structures and Materials 1992
• Thermodynamics of Real Gas 2010
• Thibodeaux 2002
• Thielman 1995
• Thirunavukkarasu and Ghosh 2023
• Thivet and Pélissier 2003
• Thomas 1942
• Thomas and Guy 1982
• Thomas and Perlbachs 1967
• Thomas et al 1969
• Thomas et al 1985
• Thomas et al 1987
• Thomas et al 1991
• Thomas et al 1997
• Thomas et al 2022
• Thome et al 2018
• Thompson 2015
• Thompson 2025
• Thornton and Dechaumphai 1984
• Thornton and Dechaumphai 1986
• Thornton and Dechaumphai 1987
• Thornton and Lamy 1992
• Thornton et al
• Thornton et al 1989
• Threadgill and Bruce 2015
• Tian and Fan 2013
• Tian et al 2016
• Tian et al 2023
• Tian et al 2026
• Tian et al 2026
• Tieshan et al 2021
• Tietz et al 2006
• Tile-Gap Flow in the 1983
• Tilmann 1998
• Timnat 1987
• Timofeev et al 2001
• Timofeev et al 2008
• Tincher and Burnett 1992
• Ting and Libby 1960
• Tinney 2014
• Tirres et al 2002
• Tirskii 1993
• Tirsky 1993
• Tirtey and Boyce 2009
• Tirtey et al 2006
• Tishkoff et al 1997
• Tiwari et al 2001
• Tiwari et al 2002
• Tiwari et al 2026
• Tobe and Grandhi 2013
• Tobin and Dec 2015
• Tomar 2012
• Tomczak 2026
• Tomioka et al 1998
• Tomioka et al 2007
• Tomioka et al 2007
• Tomioka et al 2016
• Tomioka et al 2018
• Tong and Giedt 1963
• Tong and Steinetz 1991
• Tong et al 2022
• Tong et al 2022
• Tong et al 2023
• Tong et al 2024
• Toong 1978
• Torres et al 2009
• Torrez et al 2010
• Torrez et al 2011
• Touré and Schuelein 2017
• Tran and Chen 1998
• Transient Thermal-Structural Analysis Using 1992
• Trapier et al
• Trapier et al 2006
• Trapier et al 2007
• Trapier et al 2008
• Trefny 2020
• Trefny and Dippold 2010
• Trefny and Dippold 2013
• Trefny and Dippold 2017
• Trefny et al 2017
• Trella and Vaglio-Laurin 1964
• Tretyakov et al 2021
• Trexler 1974
• Trexler 1988
• Triantafillou et al 1998
• Trimmer 1968
• Trimmer et al 1986
• Truitt 1968
• Tsai et al 1992
• Tsoubanos 1979
• Tsuboi et al 2008
• Tsuei and Merkle 1995
• Tsujikawa 1996
• Tsukamoto et al 2003
• Tsukamoto et al 2004
• Tudosie 2017
• Tudosie 2017
• Tudosie 2018
• Tudosie 2022
• Tudosie and Prisacariu 2022
• Tudosie and Păunescu 2017
• Tudosie et al 2019
• Tumin 1996
• Tunik 2020
• Tunik and Mayorov 2022
• Tunik and Mayorov 2022
• Tunik et al 2022
• Tuohy 2006
• Turbulent Mixing in Supersonic 1991
• Turcotte 1987
• Turner 1965
• Turner et al 2006
• Turns and Kraige
• Tyagi and Achary 2017
• Tyll et al 2000
• Türkkahraman et al 2024
• Türkoğlu et al 2026
• U.S. Standard Atmosphere, 1976
• Ueda et al 2006
• Ueda et al 2009
• Ueno et al 2002
• Ueno et al 2004
• Ueno et al 2011
• Ullman and Raman 2023
• Unnikrishnan and Gaitonde 2021
• Unsteady interaction mechanism of 2023
• Unterberg 1957
• Upadhyay et al 2019
• Upper Atmosphere Re-Entry Study 1961
• US Standard Atmosphere Model 2014
• Utheza et al 1996
• Utomo and Bura 2019
• Utyuzhnikov and Tirskiy 2013
• Vaca-Rios and Cerón-Muñoz 2025
• Vahl and Edwards 1978
• Valdivia et al 2014
• Van 1963
• Van Camp and Williams 1974
• Van den Borre et al 2023
• Van Der Geld et al 1990
• van der Heide et al 2025
• van der Heide et al 2026
• Van Der Kreek
• Van der lee et al 2021
• van der Lee et al 2023
• van der Lee et al 2026
• van der Lee et al 2026
• Van Driest and Blumer 1961
• van Hoffen 2024
• van Keuk et al 1998
• Van Pelt 1981
• Van Wie 1992
• Van Wie and Molder 1992
• Vanamamalai and Panneerselvam 2024
• Vanatta and Inderhees 1988
• Vander Schaaf et al 2025
• Vanmol and Anderson 1992
• Vanstone et al 2017
• Vanstone et al 2018
• Vanstone et al 2018
• Vanyai et al 2018
• Vanyai et al 2021
• Varghese et al 2018
• Varma and Zhong 2022
• Varner 1976
• Varshney and Baig 2019
• Varshney et al 2020
• Varwig 1963
• Vaughan 2003
• Vaughan and Schwartz 1962
• Vaughn and Lindsay 1988
• Vedula 1989
• Venkatapathy et al 1995
• Venkateshwaran and Padmanathan 2026
• Venkateswarlu et al 2025
• Veraar 2008
• Veraar 2009
• Verhoff and O’Neil 1987
• Verma 2010
• Verma and Shukla 2021
• Verma et al 2014
• Verma et al 2019
• Verma et al 2021
• Verma et al 2021
• Verma et al 2022
• Verma et al 2022
• Vicente and Foy 1963
• Vicente and Foy 1963
• Vidal 1974
• Vijayakumar 2020
• Vijayakumar et al 2014
• Vijayakumar et al 2020
• Vincent-Randonnier et al 2008
• Vinogradov et al 1990
• Violi 2013
• Viscous Flow Basic Aspects 2006
• Viscous Flow Basic Aspects 2019
• Viscous Shock-Layer Predictions for 1983
• Viviand 1991
• Vlach 2014
• Vogel et al 2009
• Voland 1990
• Voland et al 1999
• Voland et al 2005
• Volkov 2023
• Volpiani 2021
• Von Eckartsberg et al 2025
• von Elbe 1955
• von Lavante et al 2000
• Votta et al 2011
• Vuchuru and Dinda 2024
• Wada 2026
• Wadhams et al 2008
• Wagner and Dale 1985
• Wagner et al 2007
• Wagner et al 2008
• Wagner et al 2009
• Wagner et al 2010
• Waidmann et al 2024
• Wainwright 1962
• Walchner 1974
• Walchner et al 1967
• Walchner et al 1969
• Walker 1949
• Walker 1952
• Walker 1955
• Walker and Oberkampf 1991
• Walker et al 2006
• Walker et al 2008
• Walker et al 2008
• Walter and Redman 1954
• Walton 1991
• Walton 1992
• Waltrup and Billig 1972
• Waltrup et al 1980
• Waltrup et al 1996
• Wan and Chen 2022
• Wan et al 2012
• Wander 1992
• Wang 1998
• Wang 2004
• Wang 2004
• Wang 2007
• Wang 2014
• Wang 2014
• Wang 2017
• Wang and Cai 2016
• Wang and Gao 2013
• Wang and Guo 2013
• Wang and Le 2000
• Wang and Luo 2022
• Wang and Ma 2024
• Wang and Wang 1997
• Wang and Wang 2020
• Wang and Wang 2024
• Wang and Wu 2017
• Wang and Xia 2022
• Wang and Zhang 2021
• Wang and Zhang 2025
• Wang et al 1980
• Wang et al 2005
• Wang et al 2006
• Wang et al 2007
• Wang et al 2011
• Wang et al 2012
• Wang et al 2012
• Wang et al 2012
• Wang et al 2013
• Wang et al 2013
• Wang et al 2013
• Wang et al 2013
• Wang et al 2013
• Wang et al 2014
• Wang et al 2015
• Wang et al 2016
• Wang et al 2017
• Wang et al 2017
• Wang et al 2017
• Wang et al 2017
• Wang et al 2017
• Wang et al 2017
• Wang et al 2018
• Wang et al 2018
• Wang et al 2018
• Wang et al 2019
• Wang et al 2019
• Wang et al 2019
• Wang et al 2020
• Wang et al 2020
• Wang et al 2020
• Wang et al 2021
• Wang et al 2021
• Wang et al 2022
• Wang et al 2022
• Wang et al 2022
• Wang et al 2022
• Wang et al 2022
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2023
• Wang et al 2024
• Wang et al 2024
• Wang et al 2024
• Wang et al 2024
• Wang et al 2024
• Wang et al 2024
• Wang et al 2024
• Wang et al 2024
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2025
• Wang et al 2026
• Wang et al 2026
• Wang et al 2026
• Wang et al 2026
• Wang et al 2026
• Wang et al 2026
• Ward 1988
• Ward and Hewitt 1988
• Ward and Myers 1967
• Ward and Smart 2026
• Ward et al 1977
• Warning and McQuilling 2022
• Wartemann et al 2009
• Washington and Humphrey 1969
• Wassel et al 1984
• Wasserman 1952
• Waszkowski and Pisani 2025
• Watanabe et al 1996
• Watari et al 2006
• Watkins 1990
• Watmuff and Smits 1987
• Watt and Aronson 1964
• Waverider Aerodynamics 1986
• Waves and Thermodynamics in 1991
• Way et al 2024
• Waynick et al 2002
• Weatherill and Zartarian 1958
• Weatherston 1969
• Weaver and Hunsaker 2025
• Weber et al 1997
• Weeks 1969
• Weeratunga and Menon 1993
• Wegener 1977
• Wegener 1991
• Wegener 1997
• Wegener and Lobb 1952
• Wei et al 2012
• Wei et al 2016
• Wei et al 2019
• Wei et al 2024
• Wei et al 2026
• Weidner 1980
• Weidner 1992
• Weidner et al 1976
• Weiland 2019
• Weiler et al 1972
• Weilmuenster et al 1995
• Weilmuenster et al 1996
• Weirich et al 1996
• Weissman 1990
• Wells 1987
• Wells 2002
• Welsh et al 1963
• Welsh et al 1979
• Wen et al 2027
• Wenbiao et al 2014
• Wendel and Gaitonde 2026
• Wendel et al 2025
• Wendt
• Wenfeng et al 2017
• Wenkai et al 2017
• Wenkai et al 2017
• Wenkai et al 2017
• Wepler et al 2001
• West and Bynum 2024
• Westinghouse Electric Corp Pittsburgh Pa 1967
• Wexler and Idan 2026
• Weyl 1998
• Whitbeck et al 1982
• White 1993
• White 2004
• White and Andrikidis 1996
• White and Rhie 1988
• White and Rhie 1992
• White et al 1961
• White et al 1983
• Whitehurst et al 1992
• Whitmore and Moes 1994
• Whitmore et al 1994
• Whitney 1963
• Whitside
• Wickham et al 1999
• Wickham et al 2002
• Wickham et al 2005
• Wickham et al 2008
• Wideman et al 1994
• Wideman et al 1995
• Widnall and Grundy 1974
• Wiese et al 2013
• Wieting 1989
• Wieting 1990
• Wieting and Guy 1975
• Wieting and Guy 1976
• Wieting et al 1988
• Wilkinson and Wilkinson 1997
• Wilks 2006
• Willard et al 2009
• Williams 1965
• Williams 1981
• Williams and Lewis 1975
• Williams et al 2001
• Williams et al 2006
• Williams et al 2024
• Williams et al 2026
• Wilson 1966
• Wilson 1990
• Wilson and Benson 1978
• Wilson and Wright 1977
• Wilson et al 2009
• Wimber 1976
• Wimberly and Keng 1978
• Wind Tunnel Test Techniques 2024
• Windisch et al 2012
• Wing
• Wingfield 2001
• Winkler 1952
• Winkler 1954
• Wise
• Witte et al 2003
• Wittliff and Wilson 1961
• Wittliff et al 1992
• Witzeman 2003
• Wiśniewski 2014
• Wolf and Bossert 2001
• Wolf et al 1951
• Wolfe 1964
• Wollrab 1966
• Wong and Bittker 1982
• Woodward and Mesrobain 1953
• Woolf 2012
• Wu and Guo 2018
• Wu and Wang 2015
• Wu and Wei 2022
• Wu and Wei 2023
• Wu and Xiao 2009
• Wu and Yu 2018
• Wu et al 2013
• Wu et al 2015
• Wu et al 2015
• Wu et al 2020
• Wu et al 2021
• Wu et al 2023
• Wu et al 2024
• Wu et al 2025
• Wu et al 2026
• Wu et al 2026
• Wu et al 2026
• Wu Liaoni and Wang Mengmeng 2012
• Wulff and Zoellner 1991
• Wurster 1981
• Wurster and Marrone 1962
• Wächter and Sachs 2006
• Xi et al 2026
• Xia et al 2020
• Xia et al 2025
• Xia et al 2026
• Xian Lin Huang and Dong Ming Ge 2010
• Xianyu et al 2007
• Xianyu et al 2007
• Xiao and Yang 2025
• Xiao et al 2006
• Xiao et al 2008
• Xiao et al 2026
• Xiao-Qing et al 2011
• Xiaoqing et al 2010
• Xie et al 2016
• Xie et al 2020
• Xie et al 2025
• Xie et al 2026
• Xin 2023
• Xin and Zhang 2011
• Xin et al 2023
• Xin et al 2025
• Xin Wang and Shijie Sun 2010
• Xin Wang et al 2008
• Xing et al 2017
• Xiong et al 2017
• Xiong et al 2019
• Xiong et al 2021
• Xiong et al 2022
• Xiong Luo et al 2008
• Xu 2015
• Xu and Cai 2011
• Xu and Fang 2022
• Xu and Mao
• Xu and Zhang 2015
• Xu et al 1996
• Xu et al 2004
• Xu et al 2012
• Xu et al 2012
• Xu et al 2017
• Xu et al 2018
• Xu et al 2018
• Xu et al 2019
• Xu et al 2021
• Xu et al 2022
• Xu et al 2022
• Xu et al 2023
• Xu et al 2023
• Xudong Liu et al 2016
• Xue and Haibin 2017
• Xue et al 1994
• Xue et al 2017
• Ya-Long et al 2014
• Yager 2013
• Yahalom 1971
• Yahui et al 2021
• Yakimov 2018
• Yakimov 2018
• Yakimov 2018
• Yakubayev et al 2026
• Yamamoto and Kano 1996
• Yamamoto et al 2020
• Yan 2013
• Yan 2014
• Yan and Fu 2026
• Yan Binbin et al 2009
• Yan et al 2014
• Yan et al 2014
• Yan et al 2014
• Yan et al 2016
• Yan et al 2016
• Yan et al 2018
• Yan et al 2020
• Yan et al 2022
• Yan et al 2022
• Yan et al 2024
• Yan et al 2025
• Yan et al 2025
• Yanagihara et al 2003
• Yang 2021
• Yang 2021
• Yang 2021
• Yang 2021
• Yang 2021
• yang and culick 1986
• Yang and Li 2023
• Yang and Liu 2017
• Yang and Qi 2016
• Yang and Wang 2021
• Yang and Xiao 2026
• Yang and Yuh-Yih Wu 1994
• Yang et al 2013
• Yang et al 2013
• Yang et al 2014
• Yang et al 2014
• Yang et al 2014
• Yang et al 2014
• Yang et al 2014
• Yang et al 2014
• Yang et al 2016
• Yang et al 2017
• Yang et al 2017
• Yang et al 2017
• Yang et al 2020
• Yang et al 2020
• Yang et al 2024
• Yang et al 2024
• Yang et al 2024
• Yang et al 2024
• Yang et al 2025
• Yang et al 2025
• Yang et al 2025
• Yang et al 2025
• Yang et al 2025
• Yang et al 2026
• Yang et al 2026
• Yankui et al 2005
• Yao and Xia 2023
• Yao et al 2006
• Yao et al 2009
• Yao et al 2009
• Yao et al 2017
• Yao et al 2017
• Yao et al 2023
• Yao et al 2025
• Yaosheng 2018
• Yarantsev et al 2019
• Yarng and Guan 1988
• Yatsukhno 2020
• Yatsuyanagi 2009
• Yechout 1988
• Yeh et al 2017
• Yeh et al 2023
• Yeneriz et al 1989
• Yeneriz et al 1991
• Yentsch and Gaitonde 2013
• Yentsch and Gaitonde 2014
• Yergensen and Rhea 1988
• Yi et al 2009
• Yin et al 2017
• Yin et al 2024
• Ying et al 2018
• Yip et al 1990
• Yong-sheng and Rui-sen 2005
• Yonggang et al 2019
• Yoon and Chung 1996
• Yoon and Rasmussen 1991
• You and Liang 2009
• You and Liang 2009
• You et al 2009
• You et al 2013
• Young 1966
• Young and Goldstein 1999
• Young et al 2006
• Young et al 2006
• Youssef et al 2008
• Youssef et al 2009
• Yu and Newman 2003
• Yu and Schadow 1994
• Yu et al 1988
• Yu et al 1999
• Yu et al 2002
• Yu et al 2005
• Yu et al 2007
• Yu et al 2014
• Yu et al 2015
• Yu et al 2021
• Yu et al 2022
• Yu et al 2025
• Yu et al 2025
• Yuan et al 2026
• Yuceil et al 2009
• Yue et al 2009
• Yue et al 2010
• Yue et al 2016
• Yulian and Bin 2014
• Yumusak and Eyi 2013
• Yun et al 2022
• Yun et al 2026
• Yungster et al 2014
• Zabarnick et al 2008
• Zaehringer et al 2003
• Zanchetta and Cain 1998
• Zander
• Zapp and Bermejo-Moreno 2026
• Zarlingo 1988
• Zartarian 1956
• Zartarian and Hsu 1955
• Zeitoun et al 1991
• Zelina et al 2007
• Zelinski et al 1960
• Zeng et al 2016
• Zeng et al 2025
• Zeng et al 2026
• Zeng et al 2026
• Zettervall and Fureby 2018
• Zha et al 1998
• Zha et al 1998
• Zhai et al 2016
• Zhai et al 2018
• Zhai et al 2020
• Zhang 2015
• Zhang 2020
• Zhang 2020
• Zhang 2020
• Zhang 2020
• Zhang 2020
• Zhang 2020
• Zhang 2020
• Zhang and Ding 2023
• Zhang and Tang 2012
• Zhang and Tang 2015
• Zhang et al 2012
• Zhang et al 2012
• Zhang et al 2014
• Zhang et al 2015
• Zhang et al 2015
• Zhang et al 2015
• Zhang et al 2016
• Zhang et al 2016
• Zhang et al 2016
• Zhang et al 2016
• Zhang et al 2016
• Zhang et al 2017
• Zhang et al 2017
• Zhang et al 2017
• Zhang et al 2018
• Zhang et al 2018
• Zhang et al 2019
• Zhang et al 2019
• Zhang et al 2019
• Zhang et al 2020
• Zhang et al 2021
• Zhang et al 2022
• Zhang et al 2022
• Zhang et al 2023
• Zhang et al 2023
• Zhang et al 2023
• Zhang et al 2023
• Zhang et al 2024
• Zhang et al 2024
• Zhang et al 2025
• Zhang et al 2025
• Zhang et al 2026
• Zhang et al 2026
• Zhang et al 2026
• Zhang et al 2026
• Zhang et al 2026
• Zhang et al 2026
• Zhang Zhikai et al 2015
• Zhao 2011
• Zhao 2013
• Zhao 2021
• Zhao 2021
• Zhao 2021
• Zhao 2021
• Zhao 2021
• Zhao 2023
• Zhao 2023
• Zhao et al 2009
• Zhao et al 2011
• Zhao et al 2018
• Zhao et al 2018
• Zhao et al 2018
• Zhao et al 2019
• Zhao et al 2023
• Zhao et al 2023
• Zhao et al 2026
• Zhapbasbaev and Makashev 2003
• Zheltovodov and Knight 2011
• Zheng and Bray 1994
• Zheng and Bray 1997
• Zheng et al 2013
• Zheng et al 2019
• Zheng et al 2021
• Zhengdong et al 2013
• Zhi and Yang 2015
• Zhi et al 2015
• Zhikharev 1993
• Zhong 2000
• Zhong 2007
• Zhong 2009
• Zhong and Furumoto 1998
• Zhong and Lee 1996
• Zhong and Wu 2021
• Zhong et al 2001
• Zhongjie Meng et al 2008
• Zhou 2018
• Zhou 2023
• Zhou and Davidson 1995
• Zhou et al 2008
• Zhou et al 2016
• Zhou et al 2017
• Zhou et al 2017
• Zhou et al 2020
• Zhou et al 2022
• Zhou et al 2022
• Zhou et al 2023
• Zhou et al 2025
• Zhou et al 2026
• Zhu and Li 2023
• Zhu and Liu 2015
• Zhu and Liu 2015
• Zhu and Miller 1990
• Zhu and Shen 2015
• Zhu and Xu 2017
• Zhu and Yin 2026
• Zhu et al 2016
• Zhu et al 2020
• Zhu et al 2024
• Zhu et al 2025
• Zhu et al 2025
• Zhu et al 2026
• Zien and Ragsdale 1979
• Zilberter and Edwards 2016
• Zinnecker et al 2012
• Zivanovic 1963
• Zou et al 2021
• Zou et al 2026
• Zou et al 2026
• Zuchowski 2013
• Zucro 1950
• Zuo et al 2023
• Zweber et al 2002
• Ösün et al 2026