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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.