Hypersonic Flight
Aerothermodynamics issues of the DLR hypersonic flight experiment SHEFEX-I
... 0.05 flight second required 460 computational time steps for the flow solution while convergence of the solution has been achieved after 1000 fluid- structure coupled ...future hypersonic flight ...
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A review of design issues specific to hypersonic flight vehicles
... a Hypersonic Transport for applications such as emergency response, time critical business trips, not to mention military ...typical Hypersonic Transport is estimated to travel from Tokyo to Los Angeles in ...
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Discrete Roughness Transition for Hypersonic Flight Vehicles
... three hypersonic facilities, the LaRC 20-Inch Mach 6 Air and 31-Inch Mach 10 Air tunnels, and in the HYPULSE Reflected Shock Tunnel at the General Applied Sciences Laboratory in Ronkonkoma, ...
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Assessment of Turbulent CFD Against STS-128 Hypersonic Flight Data
... The temperature history for thermocouple TC-6 is shown in Figure 7. This thermocouple was located about 150 in./3.8 m downstream of the flight experiment trip, but not directly downstream. The placement of this ...
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Transition Experiments on Large Bluntness Cones with Distributed Roughness in Hypersonic Flight
... the range 0.143 atm ≤ P ≤ 0.4 atm in order to vary the primary independent variable Re kk . For these experiments, three of the optical measurement stations were equipped with high-speed thermal imaging infrared (IR) ...
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Remote Infrared Imaging of the Space Shuttle During Hypersonic Flight: HYTHIRM Mission Operations and Coordination
... and flight crew, by listening in on key lines of audio communications, or “loops”, as they prepared for ...the Flight Director, SMG, and the FDOs, and a Space Shuttle FDO was present as part of the HYTHIRM ...
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SOUNDING ROCKETS AS A REAL FLIGHT PLATFORM FOR AEROTHERMODYNAMIC CFD VALIDATION OF HYPERSONIC FLIGHT EXPERIMENTS
... Fig. 3: Mock-up of SHEFEX 3.2 MISSION SEQUENCE 3.2.1 ASCENT PHASE The vehicle is accelerated by the S30 motor for 28 seconds until burnout at an altitude of 17 km. At burnout of the first stage the vehicle has already ...
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Computer Modelling of Aerothermodynamic Characteristics for Hypersonic Vehicles
... Falcon Hypersonic Technology Vehicle (HTV-2) is a multiyear research and development effort to increase the technical knowledge base and advance critical technologies to make long-duration hypersonic ...
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Adaptive Control of a Generic Hypersonic Vehicle
... century, hypersonic flight continues to be a topic of significant research ...Air-breathing hypersonic vehicles are particularly attractive due to their potential to serve as high speed pas- senger ...
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Recommendations for Hypersonic Boundary Layer Transition Flight Testing
... and flight capability at Sandia National Laboratories 9 to conduct hypersonic flight ...pre-existing flight program, surface instrumentation for this proposal was quite mature, with heat ...
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A REVIEW ON HYPERSONIC AIRCRAFT
... successful flight test of a Scramjet was performed by Russia in ...6 flight tests of the axisymmetric high-speed scramjet-demonstrator were conducted by CIAM together with France and then with NASA, ...
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Boundary Layer Interaction in Hypersonic Air Intake
... performance. Many experiments of direct-connected and free jet test, the Boeing Company conducted flight tests of a hypersonic flight (HyFly) missile. The DCR consists of two major components one is ...
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Rough-Wall Turbulent Heat Transfer Experiments in Hypersonic Free Flight
... Rough-wall turbulent heat transfer measurements were obtained on ballistic-range models in hypersonic flight. Each model had three different surface textures on segments of the conic frustum: smooth wall, ...
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HYPERSONIC ENTRY AEROSHELL SHAPE OPTIMIZATION
... technique is critical for effective shape design and optimization. 1.2 Background and Motivation Aeroshells are designed to deliver payloads safely through a planetary atmosphere, protecting the payload from the high ...
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Reynolds stress model for hypersonic flows
... of hypersonic shock wave/boundary layer interaction performed with these tools are not available ...of hypersonic applications, from basic research to the design and development of hypersonic ...
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Computational Fluid Dynamics in Hypersonic Aerothermodynamics
... 4. CONCLUSIONS Computation of hypersonic flows needs to address challenges in physical modelling as well as issues related to the numerical methodology. The range of physical phenomena includes non-equilibrium ...
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Adaptive control of a generic hypersonic vehicle
... set to zero when generating all of the simulation results shown in task 1 and task 2 below. To empirically determine the input time delay margin of the different adaptive [r] ...
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Heating Augmentation for Short Hypersonic Protuberances
... Examining the enthalpy profile, it was found that the enthalpy profiles of the WT and flight cases start from a different value on the surface due to different wall enthalpy values. Therefore, a correla- tion ...
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Laser Propelled Hypersonic Air-Vehicle
... advantages are simplicity and reliability of the engine because of fewer moving parts, simpler propellant feed system and high specific impulse. Major limitations of this approach are the laser power available, ...
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An Application of Image Analysis to Hypersonic Flows
... produced involving magneto-hydrodynamics effects [4], the laboratory study concerning the def ection of supersonic jets produced by molecular clouds [5]. In general, these methods can visualize the jets only on short ...
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