EXPERIMENTAL-STUDY OF THE KOLMOGOROV REFINED SIMILARITY VARIABLE

被引：10

作者：

HOSOKAWA, I

VANATTA, CW

THORODDSEN, ST

机构：

[1] University of Electro-Communications, Chofu, Tokyo

[2] Applied Mechanics and Engineering Sciences, 0411 University of California, San Diego, La Jolla

来源：

FLUID DYNAMICS RESEARCH | 1994年 / 13卷 / 06期

关键词：

11;

D O I：

10.1016/0169-5983(94)90013-2

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Recently Thoroddsen and Van Atta (1992, Phys. Fluids A4, 2592) showed that Kolmogorov's refined similarity hypothesis (1962, J. Fluid Mech. 13, 77; 82) is supported by experimental data from a wind-tunnel study of a cylinder wake, at Re(lambda) of 550. We show here that the probability density of the Kolmogorov similarity variable approaches a Gaussian distribution. The data also suggest that it may obey an even more demanding conditional similarity, which leads to important conclusions regarding the scaling exponents.

引用

收藏

页码：329 / 333

页数：5

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