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二元气体混合层的稳定性分析

高军 李佳 刘凤君 时晓天 袁湘江

高军, 李佳, 刘凤君, 时晓天, 袁湘江. 二元气体混合层的稳定性分析[J]. 应用数学和力学, 2018, 39(9): 1030-1042. doi: 10.21656/1000-0887.390064
引用本文: 高军, 李佳, 刘凤君, 时晓天, 袁湘江. 二元气体混合层的稳定性分析[J]. 应用数学和力学, 2018, 39(9): 1030-1042. doi: 10.21656/1000-0887.390064
GAO Jun, LI Jia, LIU Fengjun, SHI Xiaotian, YUAN Xiangjiang. Stability Analysis of Binary Gas Mixing Layers[J]. Applied Mathematics and Mechanics, 2018, 39(9): 1030-1042. doi: 10.21656/1000-0887.390064
Citation: GAO Jun, LI Jia, LIU Fengjun, SHI Xiaotian, YUAN Xiangjiang. Stability Analysis of Binary Gas Mixing Layers[J]. Applied Mathematics and Mechanics, 2018, 39(9): 1030-1042. doi: 10.21656/1000-0887.390064

二元气体混合层的稳定性分析

doi: 10.21656/1000-0887.390064
基金项目: 国家自然科学基金(51476152;11302213)
详细信息
    作者简介:

    高军(1985—),男,工程师,博士(E-mail: gaojun856@163.com);时晓天(1981—),男,研究员,博士(通讯作者. E-mail: xxtshi@163.com).

  • 中图分类号: O357.4

Stability Analysis of Binary Gas Mixing Layers

Funds: The National Natural Science Foundation of China(51476152;11302213)
  • 摘要: 针对氧气和氮气构成的两组分气体混合层流动,采用线性稳定性理论分析了流动的线性失稳特性.两组分气体混合层的基本流剖面由相似性解给出.首先研究了对流Mach(马赫)数对相似性解剖面的影响;然后重点考察了对流Mach数、二维和三维扰动对稳定性的影响.线性稳定性理论的结果表明,第一模态最不稳定波的最大增长率始终大于第二模态波.随着对流Mach数的增加,混合层中的第一模态和第二模态的最大增长率都受到抑制.
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出版历程
  • 收稿日期:  2018-02-27
  • 修回日期:  2018-05-16
  • 刊出日期:  2018-09-15

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