NUMERICAL STUDY FOR RESONANT TRIAD INTERACTION AND SECONDARY INSTABILITY IN TWO-DIMENSIONAL SUPERSONIC BOUNDARY LAYER

doi:10.1007/s10483-006-0201-1

Applied Mathematics and Mechanics (English Edition) ›› 2006, Vol. 27 ›› Issue (2): 141-148 .doi: https://doi.org/10.1007/s10483-006-0201-1

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NUMERICAL STUDY FOR RESONANT TRIAD INTERACTION AND SECONDARY INSTABILITY IN TWO-DIMENSIONAL SUPERSONIC BOUNDARY LAYER

董亚妮, 周恒

收稿日期:2005-04-13 修回日期:2005-10-20 出版日期:2006-02-18 发布日期:2006-02-18
通讯作者: 周恒

NUMERICAL STUDY FOR RESONANT TRIAD INTERACTION AND SECONDARY INSTABILITY IN TWO-DIMENSIONAL SUPERSONIC BOUNDARY LAYER

DONG Ya-ni, ZHOU Heng

1. Department of Mechanics, Tianjin University, Tianjin 300072, P. R. China;
2. Liuhui Center of Applied Mathematics, Nankai University and Tianjin University, Tianjin 300072, P. R. China

Received:2005-04-13 Revised:2005-10-20 Online:2006-02-18 Published:2006-02-18
Contact: ZHOU Heng

摘要/Abstract

Abstract: By direct numerical simulation, a supersonic boundary layer was studied to see whether the mechanism for the generation of sub-harmonic waves, similar to those for the incompressible flows, existed in the process of laminar-turbulent transition. The results showed that mechanisms of both resonant triad and secondary instability did exist. Discussions were made on whether these two mechanisms are really important in laminar-turbulent transition.

Key words: resonant triad, secondary instability, supersonic boundary layer, T-S wave

中图分类号:

董亚妮;周恒. NUMERICAL STUDY FOR RESONANT TRIAD INTERACTION AND SECONDARY INSTABILITY IN TWO-DIMENSIONAL SUPERSONIC BOUNDARY LAYER[J]. Applied Mathematics and Mechanics (English Edition), 2006, 27(2): 141-148 .

DONG Ya-ni;ZHOU Heng. NUMERICAL STUDY FOR RESONANT TRIAD INTERACTION AND SECONDARY INSTABILITY IN TWO-DIMENSIONAL SUPERSONIC BOUNDARY LAYER[J]. Applied Mathematics and Mechanics (English Edition), 2006, 27(2): 141-148 .

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NUMERICAL STUDY FOR RESONANT TRIAD INTERACTION AND SECONDARY INSTABILITY IN TWO-DIMENSIONAL SUPERSONIC BOUNDARY LAYER

NUMERICAL STUDY FOR RESONANT TRIAD INTERACTION AND SECONDARY INSTABILITY IN TWO-DIMENSIONAL SUPERSONIC BOUNDARY LAYER

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