Relaminarization of a turbulent boundary layer with a mach number M∞=4

被引：13

作者：

M. A. Goldfeld

R. V. Nestoulia

A. N. Shiplyuk

机构：

[1] Institute of Theoretical and Applied Mechanics,

[2] Siberian Division,undefined

[3] Russian Academy of Sciences,undefined

来源：

Journal of Applied Mechanics and Technical Physics | 2002年 / 43卷 / 1期

关键词：

Experimental Data; Mathematical Modeling; Boundary Layer; Experimental Study; Reynolds Number;

D O I：

10.1023/A:1013914212127

中图分类号：

学科分类号：

摘要：

Results of experimental studies are presented on relaminarization of a supersonic turbulent boundary layer behind an expansion fan for a free‐stream Mach number M∞=4 within a range of Reynolds numbers Re1=8·106 – 26·106 m−1. Experimental data on distributions of the mean velocity and mass‐flow fluctuations and the skin friction force are obtained. Partial relaminarization of the boundary layer is reached in the experiments. The calculations of relaminarization criteria show that they can be used to predict the onset of the relaminarization process at high supersonic flow velocities.

引用

页码：76 / 82

页数：6

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