Results 31 to 40 of about 39,906 (229)
Integrated method of guidance, control and morphing for hypersonic morphing vehicle in glide phase
, 2021 The morphing technology of hypersonic vehicle improved the flight performance by changing aerodynamic characteristics with shape deformations, but the design of guidance and control system with morphing laws remained to be explored.
C. Bao, Peng Wang, G. Tang
semanticscholar +1 more source
A Real-Time Trajectory Optimization Method for Hypersonic Vehicles Based on a Deep Neural Network
Aerospace, 2022 Considering the high-efficient trajectory planning requirements for hypersonic vehicles, this paper proposes a real-time trajectory optimization method based on a deep neural network.
Jianying Wang +4 more
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Finite-rate chemistry effects in turbulent hypersonic boundary layers: A direct numerical simulation study [PDF]
Physical Review Fluids, 2021 The accurate prediction of hypersonic flows is a key challenge for the design of reentry bodies or hypersonic aircraft. Knowledge concerning the wall-bounded turbulence is especially needed.
D. Passiatore +3 more
semanticscholar +1 more source
Entropy, 2022 Strong viscous interaction and multiple flow regimes exist when vehicles fly at high altitude and high Mach number conditions. The Navier–Stokes(NS) solver is no longer applicable in the above situation.
Dingwu Jiang +3 more
doaj +1 more source
Aerodisk Effect on Hypersonic Boundary Layer Transition and Heat Transfer of HIFiRE-5 Vehicle
Aerospace, 2022 The substantial aerodynamic drag and severe aerothermal loads, which are closely related to boundary layer transition, challenge the design of hypersonic vehicles and could be relieved by active methods aimed at drag and heat flux reduction, such as ...
Yatian Zhao, Zhiyuan Shao, Hongkang Liu
doaj +1 more source
Assessing the Sustainability of Liquid Hydrogen for Future Hypersonic Aerospace Flight
Aerospace, 2022 This study explored the applications of liquid hydrogen (LH2) in aerospace projects, followed by an investigation into the efficiency of ramjets, scramjets, and turbojets for hypersonic flight and the impact of grey, blue, and green hydrogen as an ...
Abdalrahman Khaled Mohammad +4 more
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Aerospace, 2023 Compression corner shock wave/boundary layer interaction (SWBLI) is a typical shock wave/boundary layer interaction (SWBLI) problem in supersonic/hypersonic flows. In previous studies, the separation flow is usually caused by a single shock wave. However,
Bo Yang +5 more
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Numerical study on throttling characteristics of RBCC engines in ejector mode
Case Studies in Thermal EngineeringInvestigating the throttling characteristics of Rocket-Based Combined Cycle (RBCC) engines in ejector mode is crucial for adapting to varied flight mission demands.
Jikai Chen +9 more
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The spray characteristic of gas-liquid coaxial swirl injector by experiment
MATEC Web of Conferences, 2017 Using the laser phase Doppler particle analyzer (PDPA), the spray characteristics of gas-liquid coaxial swirl injector were studied. The Sauter mean diameter (SMD), axial velocity and size data rate were measured under different gas injecting pressure ...
Chen Chen +5 more
doaj +1 more source
Computer Physics Communications, 2020 In this study, the open-source Hypersonics Task-based Research (HTR) solver for hypersonic aerothermodynamics is described. The physical formulation of the code includes thermochemical effects induced by high temperatures (vibrational excitation and ...
M. Renzo +2 more
semanticscholar +1 more source