Asymptotic analysis of equilibrium states for rotating turbulent flows
type: Item
instance of: scholarly article
title: Asymptotic analysis of equilibrium states for rotating turbulent flows
zbMATH Open document ID: 0904.76027
DOI: 10.1007/BF00639697
author: A. Salhi
author: T. Lili
published in: Theoretical and Computational Fluid Dynamics
publication date: 1999-01-19T00:00:00Z
review text: Generalizing results of Speziale et al., the authors examine the equilibrium states of rotating plane turbulent flows subjeted to the effects of shear or strain. The long-time behaviour of second-order turbulence models, including the classical model transport equation for the dissipation rate, has been investigated. By means of an asymptotic analysis method the authors demonstrate that the turbulent kinetic energy and the turbulent dissipation rate asymptotically satisfy either a power law with time or undergo an exponential law of growth with time. The influence of the rotation number on the long-time behaviour is analysed. Finally, the analytical results are compared with results of numerical simulations.
reviewed by: G.Seifert
Mathematics Subject Classification ID: 76F05
Mathematics Subject Classification ID: 76U05
zbMATH DE Number: 1051328
zbMATH Keywords: shear
zbMATH Keywords: strain
zbMATH Keywords: long-time behaviour
zbMATH Keywords: second-order turbulence models
zbMATH Keywords: turbulent kinetic energy
zbMATH Keywords: turbulent dissipation rate
zbMATH Keywords: power law
zbMATH Keywords: exponential law
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 1051328