FINE-SCALE TURBULENCE STRUCTURE OF INTERMITTENT SHEAR FLOWS

被引：56

作者：

KUZNETSOV, VR ^{[1
]}

PRASKOVSKY, AA ^{[1
]}

SABELNIKOV, VA ^{[1
]}

机构：

[1] MOSCOW CENT AEROHYDRODYNAM INST,MOSCOW 140160,USSR

来源：

JOURNAL OF FLUID MECHANICS | 1992年 / 243卷

关键词：

D O I：

10.1017/S0022112092002842

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

An experimental investigation of the fine-scale structure of turbulence was carried out. Five different shear flows were studied: three in a wind tunnel with an open working section and an elliptical nozzle and two in a wind tunnel of closed working section and square cross-section. The experiments tested two approaches to the theory of fine-scale turbulence structure: one based on the Navier-Stokes equations and the other on some similarity hypotheses. The variability of all fine-scale constants (including exponents in inertial-subrange power laws and the Kolmogorov constant) is revealed. A correlation between all fine-scale constants and the external intermittency coefficient is established.

引用

页码：595 / 622

页数：28

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