Experimental investigation on the starting characteristics of a hypersonic inlet with moving entrance door

WANG Yi; FAN Xiao-qiang; LIANG Jian-han; LIU Wei-dong; WANG Zhen-guo

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Experimental investigation on the starting characteristics of a hypersonic inlet with moving entrance door

更新时间：2026-07-07

- Experimental investigation on the starting characteristics of a hypersonic inlet with moving entrance door
- Vol. 23, Issue 6, (2008)
- 作者机构：
  
  国防科学技术大学航天与材料工程学院,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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WANG Yi, FAN Xiao-qiang, LIANG Jian-han, et al. Experimental investigation on the starting characteristics of a hypersonic inlet with moving entrance door[J]. 2008, 23(6).
DOI：

WANG Yi, FAN Xiao-qiang, LIANG Jian-han, et al. Experimental investigation on the starting characteristics of a hypersonic inlet with moving entrance door[J]. 2008, 23(6). DOI：

摘要

设计了具有入口开启功能的高超声速进气道

并在Ma=6连续式自由射流风洞中进行了启动性能的试验研究.通过对进气道壁面静压变化和捕获流量的测量

验证了此种具有开启功能的变几何方案的可行性.试验结果表明

开启机构能够有效地提高进气道的启动性能.分析认为

进气道入口的逐渐打开过程辅助进气道建立起超声速流场.同时

开启机构避免了进气道自启动的迟滞效应

使进气道实现启动.

Abstract

A three dimensional hypersonic inlet with moving entrance door was designed and tested in the Ma=6 free-jet wind tunnel to investigate the starting characteristics.This variable geometry design was testified to be a feasible way to accomplish the entrance opening process of the inlet.The results reveal that the moving entrance door can effectively improve the starting ability of the inlet.The gradually opening process could assist the inlet in starting and also avoid the hysteretic effect of the inlet selfstart.

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Related Institution

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College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics

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