Impingement of a supersonic underexpanded jet onto obstacles with different permeabilities

被引：0
|
作者：
V. I. Zapryagaev
A. V. Solotchin
I. N. Kavun
D. A. Yarovsky
机构：
[1] Russian Academy of Sciences,Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch
来源：
Journal of Applied Mechanics and Technical Physics | 2011年 / 52卷
关键词：
supersonic underexpanded jet; porous obstacle; permeability; level of acoustic disturbances;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Results of an experimental study of the flow structure and characteristics of flow oscillations induced by impinging of a supersonic underexpanded jet onto obstacles made of permeable and impermeable materials are presented. Spectral characteristics of the acoustic field in the regime of unsteady interaction between the jet and the obstacle are determined. The influence of permeability of porous obstacles on these characteristics is identified.
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收藏
页码：727 / 733
页数：6
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