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Self‐similar invariant families of turbulent flows

 

作者: C. Foias,   O. P. Manley,   R. Teman,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1987)
卷期: Volume 30, issue 7  

页码: 2007-2020

 

ISSN:0031-9171

 

年代: 1987

 

DOI:10.1063/1.866215

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Some physically significant consequences of recent advances in the theory of homogeneous statistical solutions of Navier–Stokes equations are presented. Invariance properties of families of those solutions are discussed and used to derive rigorously certain previously conjectured results, e.g., the Kolmogorov spectrum. Others include a reinterpretation of the von Karman–Howarth–Dryden equation that leads to the conditions for the existence of an inertial subrange. Further an application of Poincare´’s inequality produces a different view of intermittency. It is also suggested how a measurement of the two‐point triple velocity correlation could yield an accurate value of Kolmogorov’s constant.

 

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