Interaction of shock waves with a jet wake during gas injection into supersonic stream

被引：3
|
作者：
Zudov, V. N. [1 ]
Tretyakov, K. [1 ]
机构：
[1] Khristianovich Inst Theoret & Appl Mech SB RAS, Novosibirsk, Russia
来源：
THERMOPHYSICS AND AEROMECHANICS | 2010年 / 17卷 / 04期
关键词：
shock wave; subsonic jet; gas injection; MACH-3; STREAM;
D O I：
10.1134/S0869864310040062
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
In the present paper, we report the results of an experimental study of the interaction region of a planar compression shock produced by a wedge in stream with the wake formed behind a cocurrent gas jet (H(2), air, or Ar) injected into the flow. Depending on the gas jet parameters, three modes of interaction could be distinguished: a strong interaction, observed when the flow velocity in the wake was subsonic; a moderate interaction, observed when a subsonic flow region, bounded by a shock of almost conical shape, formed in the vicinity of the compression shock; and a neutral interaction. Three-dimensional non-stationary Euler equations were solved to numerically examine the interaction of an axisymmetric jet with an oblique shock wave. The obtained interaction regimes were found to be in a reasonable agreement with experimental data.
引用
收藏
页码：543 / 549
页数：7
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