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The plane wake of a cylinder: An estimate of the pressure–strain rate tensor

 

作者: D. Aronson,   L. Lo¨fdahl,  

 

期刊: Physics of Fluids  (AIP Available online 1994)
卷期: Volume 6, issue 8  

页码: 2716-2721

 

ISSN:1070-6631

 

年代: 1994

 

DOI:10.1063/1.868161

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The modeling of the pressure strain rate terms is an important issue in the improvement of the generality of closure models for the Reynolds stress transport (RST) equations. A part of these efforts is to provide accurate experimental information on the pressure–strain rate tensor, which in turn requires equally accurate information on the dissipation and the diffusion tensors. Here the far wake of a cylinder was studied in order to enable the required balances of the RST equations. The experimental results indicate a nonisotropic dissipation tensor, and show the energy redistribution between the different components as described by the pressure–strain rate correlations. Comparisons are made between the experimentally determined pressure–strain rate distributions and the corresponding distributions predicted by closure models.

 

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