入射激波边界层干扰分离流场结构研究

姚瑶; 高波

doi:10.7638/kqdlxxb-2018.0155

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入射激波边界层干扰分离流场结构研究

研究论文 | 更新时间：2026-05-28

- 入射激波边界层干扰分离流场结构研究
- Flow structure of incident shock wave boundary layer interaction with separation
- 空气动力学学报 2019年37卷第5期页码：740-747, 769
- 作者机构：
  
  北京宇航系统工程研究所,北京,100073
- 作者简介：
  
  姚瑶(1988-), 江苏盐城人, 女, 博士, 工程师, 研究方向:高超声速空气动力学.E-mail:yaya19880915@126.com
  高波(1985-), 山东济南人, 男, 高级工程师, 研究方向:气体物理.E-mail:gaobo1983@126.com
- 基金信息：
  
  国家自然科学基金（11372054）
- DOI：10.7638/kqdlxxb-2018.0155
  中图分类号： V211.3
- 纸质出版：2019
- 稿件说明：
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姚瑶, 高波. 入射激波边界层干扰分离流场结构研究[J]. 空气动力学学报, 2019, 37(5): 740-747, 769.

YAO Yao, GAO Bo. Flow structure of incident shock wave boundary layer interaction with separation[J]. 2019, 37(5): 740-747, 769.
姚瑶, 高波. 入射激波边界层干扰分离流场结构研究[J]. 空气动力学学报, 2019, 37(5): 740-747, 769. DOI： 10.7638/kqdlxxb-2018.0155.

YAO Yao, GAO Bo. Flow structure of incident shock wave boundary layer interaction with separation[J]. 2019, 37(5): 740-747, 769. DOI： 10.7638/kqdlxxb-2018.0155.

摘要

入射激波边界层干扰易导致边界层分离，为了分析其局部流场结构，捕获局部高压、高热区，掌握分离泡的大小，本文针对入射激波导致的边界层分离流场，构造简化模型，辅助以极曲线理论分析描述，结合自由干扰理论、激波关系式以及分离区长度工程估算首次给出完整的理论求解。该理论模型可快速获得流动图画，给出流场参数分布，便于分析整体流场结构，并得到了很好的数值验证。运用该理论模型对分离泡高度进行了参数化分析，分离泡高度随来流马赫数的增大先略有减小再增大，同时是外压缩角以及飞行高度的增函数。

Abstract

Shock wave boundary layer interaction prefers to induce boundary layer separation

and it's necessary to analyze the flow structure

local high pressures and heat flux

and the separation bubble size. In this paper

we propose an analytical model for this typical flow structure

and the polar theory is used for auxiliary analysis. Based on the FIT

classical shock relationship

and fitting formula of separation length

the analytical model can be solved. With the analytical model

we can quickly gain the flow structure and parameters which compares well with numerical simulation. Also

we use this model to analyze the height of separation bubble. The height increases with increasing flight altitude and deflection angle for incident shock wave

and it first decreases slightly then increases as incoming Mach number increases.

关键词

Keywords

references

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