INTERACTION OF ISOTROPIC TURBULENCE WITH A NORMAL SHOCK-WAVE

被引：2
|
作者：
HANNAPPEL, R
FRIEDRICH, R
机构：
[1] Lehrstuhl für Fluidmechanik, Technische Universität München, München 2, 8000
来源：
APPLIED SCIENTIFIC RESEARCH | 1993年 / 51卷 / 1-2期
关键词：
SHOCK TURBULENCE; LINEAR ANALYSIS; ENO;
D O I：
10.1007/BF01082583
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The evolution of incompressible and compressible isotropic 2-d turbulent fields interacting with a normal shock wave up to Mach numbers of 2.4 was investigated by means of direct numerical simulation using an ENO scheme. A comparison of statistics with linear analysis results is presented. Vorticity amplification in the DNS agrees well with the linear theory. Energy spectra are enhanced more in the small scales than in the large scales for incoming incompressible turbulence. The amplification rate for initially compressible turbulence is comparatively small.
引用
收藏
页码：507 / 512
页数：6
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