一种采用双弯管储气段布局的高超声速Ludwieg管设计

赵家权; 司马学昊; 黄冉冉; 熊有德; 余涛; 吴杰

doi:10.7638/kqdlxxb-2021.0189

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一种采用双弯管储气段布局的高超声速Ludwieg管设计

研究论文 | 更新时间：2026-05-28

- 一种采用双弯管储气段布局的高超声速Ludwieg管设计
- Design of a hypersonic Ludwieg tunnel with a double-bent storage tube
- 空气动力学学报 2022年40卷第4期页码：90-100
- 作者机构：
  
  华中科技大学,武汉,430074
- 作者简介：
  
  赵家权（1985-），男，湖北仙桃人，讲师，研究方向：高超声速空气动力学. E-mail：jiaquan_zhao@hust.edu.cn
  吴杰*，副教授，研究方向：实验流体力学，高超声速空气动力学. E-mail: jiewu@hust.edu.cn
- 基金信息：
  
  国家数值风洞工程（2018-ZT1A03）;国家自然科学基金（92052301）;中央高校基本科研业务费专项资金（2019kfyXKJC001）
- DOI：10.7638/kqdlxxb-2021.0189
  中图分类号： V211.7
- 纸质出版：2022
- 稿件说明：
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赵家权, 司马学昊, 黄冉冉, 等. 一种采用双弯管储气段布局的高超声速Ludwieg管设计[J]. 空气动力学学报, 2022, 40(4): 90−100.

ZHAO Jiaquan, SIMA Xuehao, HUANG Ranran, et al. Design of a hypersonic Ludwieg tunnel with a double-bent storage tube[J]. 2022, 40(4): 90-100.
赵家权, 司马学昊, 黄冉冉, 等. 一种采用双弯管储气段布局的高超声速Ludwieg管设计[J]. 空气动力学学报, 2022, 40(4): 90−100. DOI： 10.7638/kqdlxxb-2021.0189

ZHAO Jiaquan, SIMA Xuehao, HUANG Ranran, et al. Design of a hypersonic Ludwieg tunnel with a double-bent storage tube[J]. 2022, 40(4): 90-100. DOI： 10.7638/kqdlxxb-2021.0189.

摘要

高超声速Ludwieg管风洞是开展高超声速空气动力学研究的重要平台之一。但是常规Ludwieg管风洞采用长直储气段，对试验场地需求较大，一定程度上阻碍了基础研究型高超声速试验平台的建设。针对该问题，开展了一种双弯管储气段布局的高超声速Ludwieg管气动设计，重点研究了采用双弯管储气段布局的高超声速Ludwieg管风洞非定常启动过程以及弯管储气段布局对管风洞流场的影响，并基于新建成的

0.25 m马赫数6高超声速Ludwieg管风洞进行了试验验证。结果表明，试验数据与数值预测一致，在合理设计Ludwieg管弯管与储气段直径比的前提下，膨胀波系在储气段的行进会产生微弱的总压波动，但其对风洞自由来流的影响基本可以忽略不计。

Abstract

Hypersonic Ludwieg tube tunnel is one of the most important ground facilities for hypersonic aerodynamic research. To some extent the high requirement of a large laboratory space due to the long straight storage tube of the Ludwieg tube tunnel precludes the establishment of this hypersonic aerodynamic facility for fundamental research purposes. To tackle this issue

this work reports the aerodynamic design of a hypersonic Ludwieg tube tunnel with a double-bent storage tube

and special emphasis was placed on the tunnel’s unsteady starting process and the influence of the double-bent storage tube on the flow field. Based on the aerodynamic design a Mach 6 Ludwieg tube tunnel with a double-bent storage tube has been newly built and the first shakedown results agree well with the numerical prediction. It reveals that the propagation of expansion waves in the storage tube is affected by the double-bent tube

resulting in a weak total pressure fluctuation in the storage tube. By choosing a proper diameter ratio between the bend and the storage tube

the influence of the storage tube bend can be neglected.

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Keywords

references

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