高超声速6°迎角圆锥边界层背风流向涡稳定性分析

陈曦; 陈坚强; 董思卫; 徐国亮; 袁先旭

doi:10.7638/kqdlxxb-2020.0038

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高超声速6°迎角圆锥边界层背风流向涡稳定性分析

专栏——中国流动稳定性和转捩研究40年 | 更新时间：2026-05-28

- 高超声速6°迎角圆锥边界层背风流向涡稳定性分析
- Stability analyses of leeward streamwise vortices for a hypersonic yawed cone at 6 degree angle of attack
- 空气动力学学报 2020年38卷第2期页码：299-307
- 作者机构：
  
  1. 空气动力学国家重点实验室,绵阳,621000
  2. 中国空气动力研究与发展中心计算空气动力研究所,绵阳,621000
- 作者简介：
  
  陈曦(1989-), 男, 博士, 主要研究方向:高超声速边界层转捩.E-mail:chenxicoe@pku.edu.cn
- 基金信息：
- DOI：10.7638/kqdlxxb-2020.0038
  中图分类号： V211.3
- 纸质出版：2020
- 稿件说明：
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陈曦, 陈坚强, 董思卫, 徐国亮, 袁先旭. 高超声速6°迎角圆锥边界层背风流向涡稳定性分析[J]. 空气动力学学报, 2020, 38(2): 299-307.

CHEN Xi, CHEN Jianqiang, DONG Siwei, et al. Stability analyses of leeward streamwise vortices for a hypersonic yawed cone at 6 degree angle of attack[J]. 2020, 38(2): 299-307.
陈曦, 陈坚强, 董思卫, 徐国亮, 袁先旭. 高超声速6°迎角圆锥边界层背风流向涡稳定性分析[J]. 空气动力学学报, 2020, 38(2): 299-307. DOI： 10.7638/kqdlxxb-2020.0038.

CHEN Xi, CHEN Jianqiang, DONG Siwei, et al. Stability analyses of leeward streamwise vortices for a hypersonic yawed cone at 6 degree angle of attack[J]. 2020, 38(2): 299-307. DOI： 10.7638/kqdlxxb-2020.0038.

摘要

针对马赫数6、迎角6°圆锥边界层背风面流向涡开展了直接数值模拟和稳定性分析，其中，稳定性分析工具包括空间BiGlobal方法和面推进的PSE3D方法。研究发现，有迎角圆锥边界层背风中心线附近会自发形成一对对转的强流向涡。这对流向涡或因低频反对称模态和高频对称模态的共同作用而在下游破碎。

Abstract

The stability of leeward streamwise vortices over a Mach 6 yawed cone with 6 degree angle of attack is investigated by using direct numerical simulation (DNS) and stability analyses including spatial BiGlobal and plane-marching parabolized stability equations (PSE3D). It is found that a pair of strong streamwise vortices inducing low-speed mushroom structure simultaneously emerge in the vicinity of the leeward plane. Theoretical results indicate that both low-frequency sinuous modes and high-frequency varicose modes may play an important role in the breakdown of the streamwise vortices.

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references

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