Stability Analysis of Binary Gas Mixing Layers

GAO Jun; LI Jia; LIU Fengjun; SHI Xiaotian; YUAN Xiangjiang

doi:10.21656/1000-0887.390064

Volume 39 Issue 9

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Article Navigation > Applied Mathematics and Mechanics > 2018 > 39(9): 1030-1042

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

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Stability Analysis of Binary Gas Mixing Layers

doi: 10.21656/1000-0887.390064

¹China Academy of Aerospace Aerodynamics, Beijing 100074, P.R.China;²Foundation Department, Tangshan College, Tangshan, Hebei 063000, P.R.China;¹Beijing Power Machinery Institute, Beijing 100074, P.R.China

Funds: The National Natural Science Foundation of China(51476152;11302213）

Received Date: 2018-02-27
Rev Recd Date: 2018-05-16
Publish Date: 2018-09-15

Abstract

Abstract

For the mixing layer flow composed of oxygen and nitrogen, the linear stability analysis was utilized to investigate the stability characteristics. The basic flow profile of the binary gas mixing layers was obtained from the similar solution. The effects of the convective Mach number on the similar solution were firstly investigated. Then, the influences of the convective Mach number, 2D and 3D waves on the stability were studied. The results of linear stability indicate that, the maximum growth rate of the 1st mode is always larger than that of the 2nd mode, and the maximum growth rates of the 1st and 2nd modes are suppressed with the increasing convective Mach number.
- linear stability,
- mixing layer,
- binary gas,
- convective Mach number,
- similar solution

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References(18)

References

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