EXPERIMENTAL STUDIES ON SCALING LAW PARAMETERS AND LOG−POISSON STATISTICS IN TURBULENCE

Feng, Qing - Zeng; Chen, Kai; Bi, Weitao; Wei , Qingding

Turbulence and Shear Flow Phenomena -1 First International Symposium

ISBN 打印: 1-56700-135-1

EXPERIMENTAL STUDIES ON SCALING LAW PARAMETERS AND LOG−POISSON STATISTICS IN TURBULENCE

Qing - Zeng Feng National Laboratory for Turbulence Research, Department of Mechanics and Engineering Science, Peking University, Beijing 100871, P.R.China

Kai Chen National Laboratory for Turbulence Research, Department of Mechanics and Engineering Science, Peking University, Beijing 100871, P.R.China

Weitao Bi National Laboratory for Turbulence Research, Department of Mechanics and Engineering Science, Peking University, Beijing 100871, P.R.China

Qingding Wei National Laboratory for Turbulence Research, Department of Mechanics and Engineering Science, Peking University, Beijing 100871, P.R.China

Abstract

Experimental studies on intermittent characteristics of fully developed turbulence are reported in this paper. Two independent parameters of the She−Leveque scaling law and statistical distribution of the locally averaged energy dissipation have been measured in turbulent jet. The experimental results have been compared with their theoretical values.

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