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Closure for velocity/pressure‐gradient correlations in turbulent shear flow

 

作者: B. Gallagher,   L. Magaard,   E. Gutteling,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1981)
卷期: Volume 24, issue 9  

页码: 1605-1610

 

ISSN:0031-9171

 

年代: 1981

 

DOI:10.1063/1.863582

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A closure representation is developed for the velocity/pressure‐gradient correlation arising in the Reynolds stress equation through the interaction of the turbulent velocity field with mean shear flow. The development has the advantage of putting the closure on a rational footing. The resulting expression is used in a simple example where nearly steady, homogeneous turbulence is present in a rectilinear mean shear flow. Reynolds stresses and various aspects of the behavior of the velocity/pressure‐gradient correlation seem to be predicted correctly.

 

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