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力学与实践 ›› 2017, Vol. 39 ›› Issue (3): 245-250,244.doi: 10.6052/1000-0879-17-092

• 应用研究 • 上一篇    下一篇

化学反应对超音速混合层发展的影响分析

张耘隆, 徐珊姝, 廉永正, 沈丹, 吴彦森, 裴金亮   

  1. 北京宇航系统工程研究所, 北京 100076
  • 收稿日期:2017-03-21 出版日期:2017-06-15 发布日期:2017-06-30
  • 通讯作者: 张耘隆,E-mail:zyl916@163.com E-mail:zyl916@163.com

The influence of chemical reactions on the supersonic-mixing-layer development

ZHANG Yunlong, XU Shanshu, LIAN Yongzheng, SHEN Dan, WU Yansen, PEI Jinliang   

  1. Beijing Institute of Astronautical Systems Engineering, Beijing 100076, China
  • Received:2017-03-21 Online:2017-06-15 Published:2017-06-30

摘要:

超音速混合层流动发展的研究对于了解超音速燃烧过程具有重要意义.基于耦合详细化学反应动力学机理的高精度数值模拟,分析了化学反应对超音速混合层发展过程的影响.主要分析了在两种燃烧状态下化学反应对混合层的演化过程和混合层厚度的影响.此外从涡动力学角度,分析了化学反应对混合层厚度的影响机理.

关键词:

超音速平面混合层|化学反应|混合层厚度|数值计算

Abstract:

The development of the supersonic mixing layer is an important factor in the supersonic combustion. In this paper, the influence of the chemical reaction on the development of the supersonic mixing layer is analyzed based on results obtained by the high-solution numerical methods with detailed chemical kinetics. The evolvement of the supersonic mixing layer and the mixing layer thickness under the effect of chemical reaction are analyzed in two different combustion modes. The influence of the chemical reaction on the supersonic mixing layer thickness is explained from the aspect of vertex dynamics.

Key words:

supersonic plane mixing layer|chemical reaction|mixing layer thickness|numerical simulation

中图分类号: 

  • O357.5