Suppression effect of jet flow on aerodynamic noise of 3D cavity

Pei Xun Yu, Jun Qiang Bai, Bo Zhi Guo, Xiao Han, Shan Shan Han

科研成果: 书/报告/会议事项章节会议稿件同行评审

2 引用 (Scopus)

摘要

The structure of cavity flow field with high mach number is very complex, in which pressure and velocity pulsate seriously, leading a seriously noise about almost 170dB. The noise poses a great threaten to the safety of the missile in the cavity and the structure of the cavity. The active control method(jet flow) by applying the CFD technology based on Scale-Adaptive Simulation(SAS) model developed from two-equation SST turbulent model is used to simulate the changing of the dynamic noise in the standard cavity M219(the ratio of the length to the depth is 5), and studied the flow character, flow field structure and noise mechanism. First, the accuracy of the noise prediction method is validated. Base on above-mentioned method, the suppression effect on the noise in the cavity of jet flow is analyzed and the conclusion is that jet flow has a great influence on the aerodynamic noise suppression in the cavity.

源语言英语
主期刊名Advances in Computational Modeling and Simulation
588-595
页数8
DOI
出版状态已出版 - 2014
活动2nd International Conference on Advances in Computational Modeling and Simulation, ACMS 2013 - Kunming, 中国
期限: 17 7月 201319 7月 2013

出版系列

姓名Applied Mechanics and Materials
444-445
ISSN(印刷版)1660-9336
ISSN(电子版)1662-7482

会议

会议2nd International Conference on Advances in Computational Modeling and Simulation, ACMS 2013
国家/地区中国
Kunming
时期17/07/1319/07/13

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