Results 81 to 90 of about 10,850 (227)

Configuration development study of the X-24C hypersonic research airplane [PDF]

Bottom line results were made of a three-phase study to determine the feasibility of designing, building, and operating, and maintaining an air-launched high performance aircraft capable of cruising at speeds up to Mach 8 for short durations. The results
Campbell, D. H., Cassidy, M. D., Combs, H. G., James, R. P., Kachel, B. J., Love, J., Passon, R. T., Seitz, E., Sumpter, C. D., Walters, J.   +9 more
core   +1 more source

Numerical Simulation of the Chemical Reaction on Faraday MHD Accelerator

Aerospace
Magnetohydrodynamic (MHD) is one of the most promising novel propulsion technologies with the advantages of no pollution, high specific impulse, and high acceleration efficiency.
Yingke Liao, Guiping Zhu, Guang Wang, Jie Wang, Yanchao Ding   +4 more
doaj   +1 more source

Hyplane: a single-stage suborbital aerospaceplane. [PDF]

CEAS Space J, 2023
Russo G, Voto C.
europepmc   +1 more source

Control integration concept for hypersonic cruise-turn maneuvers [PDF]

Piloting difficulties associated with conducting aircraft maneuvers in hypersonic flight are caused in part by the nonintuitive nature of the aircraft response and the stringent constraints anticipated on allowable angle of attack and dynamic pressure ...
Lallman, Frederick J., Raney, David L.
core   +1 more source

Study on hypersonic forebody transition characteristics based on the amplification factor transport model

Kongqi donglixue xuebao
The bump-compression forebody constitutes a critical aerodynamic component for hypersonic air-breathing vehicles. Its transition characteristics directly influence the quality of the flowfield entering the engine, thereby impacting the overall efficiency
Yuan Xu, Haiyang Wang, Chengyu Wang, Zaijie Liu, Hexia Huang   +4 more
doaj   +1 more source

Multidisciplinary computational aerosciences [PDF]

As the challenges of single disciplinary computational physics are met, such as computational fluid dynamics, computational structural mechanics, computational propulsion, computational aeroacoustics, computational electromagnetics, etc., scientists have
Kutler, Paul
core   +1 more source

Co-Optimized Flow Matching and Thrust Retention Control for an Adaptive Cycle Engine in Turbine-Based Combined Cycle Mode Transition

Energies
This paper presents a comprehensive study on the control law design for the turbine-to-ramjet mode transition in an adaptive-cycle turbine-based combined cycle (TBCC) engine, aiming to mitigate the persistent “thrust gap” challenge.
Yu Fu, Wenyan Song, Qiuyin Wang
doaj   +1 more source

The 3-D Navier-Stokes analysis of crossing, glancing shocks/turbulent boundary layer interactions [PDF]

Three dimensional viscous flow analysis is performed for a configuration where two crossing and glancing shocks interact with a turbulent boundary layer.
Reddy, D. R.
core   +1 more source

A surrogate-based flow-field prediction and optimization strategy for hypersonic thrust nozzle

AIP Advances
The thrust nozzle is a component that directly generates thrust, which is of great importance in the design of a hypersonic propulsion system. In this study, a surrogate-based flow-field prediction and optimization strategy for hypersonic thrust nozzles ...
Helin Huang, Qiancheng Wang, Zeping Wu
doaj   +1 more source

GTTC Future of Ground Testing Meta-Analysis of 20 Documents [PDF]

National research, development, test, and evaluation ground testing capabilities in the United States are at risk. There is a lack of vision and consensus on what is and will be needed, contributing to a significant threat that ground test capabilities ...
Dunn, Steven C., Micol, John R., Myren, .David J, Paryz, Roman W.   +3 more
core   +1 more source