Characteristics of pressure fluctuation caused by self-induced flow oscillation of under-expanded impinging jet

被引：0

作者：

Yasunobu, Tsuyoshi ^{[1
]}

Matsuoka, Takeshi ^{[2
]}

Irie, Tsukasa ^{[3
]}

Kashimura, Hideo ^{[1
]}

Setoguchi, Toshiaki ^{[4
]}

机构：

[1] Department of Control and Information Systems Engineering, Kitakyushu College of Technology, Kitakyushu, Fukuoka

[2] Graduate School of Environmental Engineering, University of Kitakyushu, Kitakyushu, Fukuoka

[3] Department of Mechanical Engineering, Kitakyushu College of Technology, Kitakyushu, Fukuoka

[4] Department of Mechanical Engineering, Saga University, Saga

来源：

Theoretical and Applied Mechanics Japan | 2003年 / 52卷

关键词：

Acoustic noise - Equations of motion - Mathematical models - Matrix algebra - Nozzles - Numerical analysis - Oscillations - Pressure distribution - Pressure effects - Shock waves - Supersonic flow - Velocity measurement - Viscosity;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The numerical investigation of the self-induced flow oscillation caused by the interaction of a supersonic impinging jet is carried out in this paper. The self-induced flow oscillation occurs at the specific conditions and causes the noise problem. The characteristic of the oscillated flow and the mechanism of the oscillation, therefore, have to be cleared to control the oscillation. This paper aims to clear the characteristic of a pressure fluctuation during the under-expanded supersonic jet impinges on the perpendicular plate. The TVD numerical method is used in the numerical analysis. From the results of numerical analysis, it is concluded that the pressure fluctuation on the plate surface depends on the pressure ratio and the position of a plate.

引用

页码：103 / 108

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