A Computational Investigation on the Control of Cavity-Induced Pressure Oscillations Using Sub-Cavity

被引：0
|
作者：
Md.Mahbubul Alam [1 ]
ShigeruMatsuo [2 ]
KenbuTeramoto [2 ]
ToshiakiSetoguchi [2 ]
Heuy-Dong Kim [3 ]
机构：
[1] Department of Mechanical Engineering,Chittagong University of Engineering and Technology,Chittagong 4349,Bangladesh
[2] Department of Mechanical Engineering,Saga University,1,Honjo-machi,Saga shi,Saga 840-8502,Japan
[3] School of Mechanical Engineering,College of Natural Science,Andong National University,388,Song Cheon Dong,Andong,Kyung Pook,Republic of Korea
来源：
Journal of Thermal Science | 2006年 / 03期
关键词：
compressible flow; cavity-induced pressure oscillations; passive control; sub-cavity;
D O I：
暂无
中图分类号：
O354.3 [超音速流动];
学科分类号：
080103 ; 080704 ;
摘要：
A computational investigation has been conducted to determine the effectiveness of a passive control technique ofattenuating cavity-induced pressure oscillations in a confined two-dimensional supersonic flow.The passivecontrol technique is achieved by fitting two flat plates near the front wall of a square cavity at Mach number 1.83at the cavity entrance.The results showed that the flat plates attached near the front wall of the cavity,discouraged the formation of feedback loop which is widely believed to be the reason of cavity resonance.Theresultant amount of attenuation of pressure oscillations was also dependent on the length of the fiat plate used asan oscillation suppressor.
引用
收藏
页码：213 / 219
页数：7
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