A-variant design of hypersonic Ludwieg tube wind tunnel

Z Li, Y Xiong, X Yuan, J Chen, J Zhao, J Wu - AIAA Journal, 2022 - arc.aiaa.org
To improve the operation efficiency of conventional Ludwieg tube tunnel, a fast-acting valve
is usually deployed between the storage tube and Laval nozzle in order to separate the high …

[HTML][HTML] Air thermochemistry in the converging section of de Laval nozzles on hypersonic wind tunnels

S Gu, J Hao, C Wen - AIP Advances, 2022 - pubs.aip.org
State-to-state simulations of nonequilibrium flow in nozzles are made for a range of reservoir
conditions and geometries. The geometry of the converging section and throat has little …

华中科技大学Φ 0.5 m马赫6 Ludwieg管风洞设计与流场初步校测

黄冉冉, 张成键, 李创创, 徐冰慧, 许多龙… - 空气动力学 …, 2023 - pubs.cstam.org.cn
高超声速风洞是研究高超声速空气动力学关键问题的重要手段, 但是常规高超声速风洞建设和
运行成本偏高, 不利于深入开展高超声速飞行器部分空气动力学基础问题研究 …

Propulsive jet influence on generic launcher base flow

S Stephan, J Wu, R Radespiel - CEAS Space Journal, 2015 - Springer
Afterbody flow phenomena represent a significant source of uncertainties in the design of a
launcher. Therefore, there is a demand for measuring such flows in wind tunnels. For …

2D numerical modeling for plasma-assisted CO2 pooling in supersonic nozzles: importance of a proper nozzle contour design

M Khaji, K Peerenboom… - Journal of Physics D …, 2021 - iopscience.iop.org
Plasma assisted CO 2 dissociation has recently been the topic of many studies. The
production of chemical fuels from environmentally unfriendly CO 2 through supersonic …

[HTML][HTML] Ludwieg 管向超声速流域拓展的设计技术

吴杰 - 空气动力学学报, 2018 - html.rhhz.net
Ludwieg 管风洞能低成本, 高效率地产生低湍流度的高超声速气流, 被广泛用于高超声速(马赫数
6 及以上) 基础空气动力学实验研究. 尽管Ludwieg 管式高超声速风洞逐渐普及 …

基于Ludwieg 管的高超声速边界层转捩实验

黄冉冉, 司马学昊, 成江逸, 赵家权, 吴杰 - 气体物理, 2021 - qtwl.xml-journal.net
高超声速边界层层/湍流转捩是高超声速飞行器气动力和气动热设计中的难点和热点问题.
为了降低开展高超声速边界层不稳定性与转捩实验研究的门槛, 研究基于Ludwieg …

RANS simulations of a tandem nozzle supersonic wind tunnel

J Wu, X Liu, R Radespiel - Aerospace Science and Technology, 2016 - Elsevier
RANS simulations of a tandem nozzle supersonic wind tunnel with perforated plates
installed in the settling chamber are presented in this paper. For the sake of obtaining more …

Simulative quantification of the supersonic discharge process of cold gas airbag inflators

D Schütte, R Radespiel - Journal of Fluids …, 2023 - asmedigitalcollection.asme.org
A simulative method for quantifying the discharge process of cold gas airbag inflators is
presented. The pressure, mass flow and the influences of the flow field are relevant to a …

Experimental investigation of a newly designed supersonic wind tunnel

J Wu, R Radespiel - Progress in Flight Physics–Volume 7, 2015 - eucass-proceedings.eu
The flow characteristics of the tandem nozzle supersonic wind tunnel at the Institute of Fluid
Mechanics, Technische Universität Braunschweig, a are investigated. Conventional …