Results 21 to 30 of about 2,575 (186)

Variant wing scheme and aerodynamic characteristics analysis of hypersonic vehicle

Hangkong gongcheng jinzhan, 2023
The variant aircraft can change its shape to adapt to different flight states and improve aerodynamic properties of aircraft. Aiming at a new hypersonic vehicle concept machine, the applicability of the wing variable sweep design on this hypersonic ...
ZHANG Xin, JI Hongli, ZHOU Danjie, LIU Yi, HE Chengjun, QIU Jinhao   +5 more
doaj   +1 more source

Research on Aerothermoelasticity for Hypersonic Inlet with Complex Internal Flow

气体物理, 2023
Hypersonic inlet is very easy to induce aerothermoelastic problems under the aerodynamic load and aero-thermal action of complex flow. Deeply understanding the aerothermoelasticity mechanism of complex internal flow is of great significance for the ...
Kun YE, Yi-fan ZHANG, Zheng-yin YE
doaj   +1 more source

Numerical study on throttling characteristics of RBCC engines in ejector mode

Case Studies in Thermal Engineering
Investigating the throttling characteristics of Rocket-Based Combined Cycle (RBCC) engines in ejector mode is crucial for adapting to varied flight mission demands.
Jikai Chen, Peibo Li, Bin An, Mingbo Sun, Changhai Liang, Taiyu Wang, Jiaoru Wang, Menglei Li, Yu Xie, Yizhi Yao   +9 more
doaj   +1 more source

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, Zhihui Yan, Yang Yang, Hongli Gao, Shunhua Yang, Lei Zhang   +5 more
doaj   +1 more source

Numerical Simulation of Influence of Adsorption on Surface Heterogeneous Catalysis Process of Hypersonic Vehicles

Shanghai Jiaotong Daxue xuebao, 2021
In view of the issue that surface catalysis has a significant influence on aerodynamic heating of hypersonic vehicle heatshield and is difficult to accurately predict, a four-step surface heterogeneous catalytic model including physisorption ...
LI Qin, YANG Xiaofeng, DONG Wei, DU Yanxia
doaj   +1 more source

Review of Energy Deposition for High-Speed Flow Control

Energies, 2022
Energy deposition for flow and flight control has received significant interest in the past several decades due to its potential application to high-speed flow and flight control. This paper reviews recent progress and recommends future research.
Doyle Knight, Nadia Kianvashrad
doaj   +1 more source

Influence of injection angles on flow structures and mixing properties in a supersonic combustor at low Mach supersonic crossflow

Scientific Reports
The fuel-air mixing is of paramount importance in hypersonic air-breathing vehicles, and its performance is closely related to the fuel injection angle.
Lin Zhang, Jianhan Liang, Yi Wang, Wei Zhao, Leichao Yang   +4 more
doaj   +1 more source

A Robust Control Method for the Trajectory Tracking of Hypersonic Unmanned Flight Vehicles Based on Model Predictive Control

Drones
Hypersonic unmanned flight vehicles have complex dynamic characteristics, such as nonlinearity, strong coupling, multiple constraints, and uncertainty.
Haixia Ding, Bowen Xu, Weiqi Yang, Yunfan Zhou, Xianyu Wu   +4 more
doaj   +1 more source

Parametric study of flow and heat transfer characteristics in a regenerative cooling channel with crescent-shaped ribs under non-uniform heat flux

Results in Engineering
Regenerative cooling technology is key for scramjets to cope with extreme thermal loads during operation. Non-uniform heat flux, as an important feature of the propulsive combustion system, poses a serious challenge to the optimization of regenerative ...
Zechuan Yi, Taiyu Wang, Yifeng Yao, Peibo Li, Mingbo Sun, Jikai Chen, Bin An, Changhai Liang, Jiaoru Wang, Menglei Li, Yu Xie, Decong Zhang, Kai Yang, Qi Liu   +13 more
doaj   +1 more source

A Review of Aerodynamic Design for Wide-Speed Range Waverider Vehicle [PDF]

Hangkong bingqi
As a hypersonic aerodynamic configuration that can break through the lift-drag ratio barrier, waverider configuration is an important candidate for wide-speed reusable aircraft. Therefore.
Wang Chenhang, Jin Liang, Zhao Zhentao, Xie Zan, Huang Wei
doaj   +1 more source