Reynolds number dependence of second-order velocity structure functions

被引：32

作者：

Antonia, RA ^{[1
]}

Pearson, BR ^{[1
]}

Zhou, T ^{[1
]}

机构：

[1] Univ Newcastle, Dept Mech Engn, Newcastle, NSW 2308, Australia

来源：

PHYSICS OF FLUIDS | 2000年 / 12卷 / 11期

关键词：

D O I：

10.1063/1.1314339

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The Reynolds number dependence of measured (and corrected) second-order longitudinal and transverse velocity structure functions is examined by fitting an expression that extends from the smallest dissipative scales to inertial range scales. Results obtained from fitting to data for decaying grid turbulence and on the centerline of turbulent jets indicate an increase, with respect to the Reynolds number, of both longitudinal and transverse scaling exponents. The results should provide a relatively reliable description for the Reynolds number evolution of Kolmogorov-normalized second-order structure functions from viscous to inertial range scales. (C) 2000 American Institute of Physics. [S1070-6631(00)51012-5].

引用

页码：3000 / 3006

页数：7

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