Results 31 to 40 of about 3,082,518 (143)

Hypersonic interference heating in the vicinity of surface protuberances [PDF]

, 2010
The understanding of the behaviour of the flow around surface protuberances in hypersonic vehicles is developed and an engineering approach to predict the location and magnitude of the highest heat transfer rates in their vicinity is presented.
Garry, Kevin P., MacManus, David G., Stollery, J. L., Lawson, Nicholas J., Estruch-Samper, David   +4 more
core   +1 more source

Experimental Study of Single Expansion Ramp Nozzle Performance Using Pitot Pressure and Static Pressure Measurements

International Journal of Aerospace Engineering, 2019
In order to overcome the drag at hypersonic speed, hypersonic flight vehicles require a high level of integration between the airframe and the propulsion system.
Sergio Nicolas Pachón Laitón, João Felipe de Araujo Martos, Israel da Silveira Rego, George Santos Marinho, Paulo Gilberto de Paula Toro   +4 more
doaj   +1 more source

Fluid-Thermal Interaction Simulation of a Hypersonic Aircraft Optical Dome

Energies, 2022
Hypersonic aircraft design is an enabling technology. However, many problems are encountered, including the design of the hood. The aircraft optical dome can become heated due to aerodynamic effects. Since the optical dome of a hypersonic aircraft should
Zhiqiang Wang, Anjing Zhang, Jia Pan, Weiguo Lu, Yubiao Sun   +4 more
doaj   +1 more source

Transitional and turbulent heat transfer of swept cylinder attachment line in hypersonic flow [PDF]

, 2006
A wide range of experimental results carried out in low enthalpy facilities is used to sustain simple correlations predicting heat transfer rates on an attachment line in hypersonic flow.
Cooper, Richard K., Sidorenko, A., Benard, Emmanuel, Cooper, Richard   +3 more
core   +1 more source

A novel graph modeling method for GNN-based hypersonic aircraft flow field reconstruction

Engineering Applications of Computational Fluid Mechanics
Detection of flow fields constitutes a critical role in the advancement and innovation of hypersonic aircraft. Under hypersonic conditions, aircraft aerodynamics manifest a multitude of complex phenomena, including intense turbulence and fluctuations ...
Qiao Li, Xingchen Li, Xiaoqian Chen, Wen Yao   +3 more
doaj   +1 more source

Numerical and Experimental Investigations of a Generic Rocket Launcher Configuration with Cold Plume in Hypersonic Flow [PDF]

, 2013
A generic rocket launcher geometry is studied experimentally and numerically at hypersonic flow conditions including a cold plume. The experiments are conducted in a hypersonic Ludwieg tube while numerical calculations are performed with a finite-volume
Oßwald, Kai, Radespiel, Rolf, Hannemann, Volker, Stephan, Sören, Hannemann, Klaus   +4 more
core  

Visualization of Shock Wave Phenomenon around a Sharp Cone Model at Hypersonic Mach Number in a Shock Tunnel using High Speed Schlieren Facility

Journal of Applied Fluid Mechanics, 2019
The flow field around a Sharp cone model configuration has been investigated by means of Schlieren facility in hypersonic shock tunnel. The time dependent evolution of flow around a cone of angle 11.38° with base radius of 150mm has been visualized ...
M. Saiprakash, C. Senthil Kumar, G. K. Sunil, S. P. Rampratap, V. Shanmugam, G. Balu   +5 more
doaj   +2 more sources

Cross‐scale Material‐Structure Synergy for 2D Metamaterials: Toward Customizable Intelligent Electromagnetic Manipulation in Multiphysics Fields

Advanced Science, EarlyView.
Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Shuhao Wang, Xing Yang, Liping Liu, Yang Peng, Yangyang Wang, Hualiang Lv   +5 more
wiley   +1 more source

Hypersonic aerodynamics on thin bodies with interaction and upstream influence [PDF]

, 1994
In the fundamental configuration studied here, a steady hypersonic free stream flows over a thin sharp aligned airfoil or flat plate with a leading-edge shock wave, and the flow field in the shock layer (containing a viscous and an inviscid layer) is ...
Khorrami, AF, Smith, FT
core  

Simulation of Irregular Slot Flow and Heat Transfer Characteristics on Surface of Near Space Hypersonic Vehicle

Hangkong gongcheng jinzhan, 2019
The gap on the surface of hypersonic vehicle will be of an important influence on its overall aerodynamic heat transfer and ablation characteristics.
Xu Xiao, Zhang Jun, Shen Yi, Wang Xuede, Tan Junjie, Zhang Zhaoming   +5 more
doaj   +1 more source