Generation of mean flows by thermal convection
type: Item
instance of: scholarly article
title: Generation of mean flows by thermal convection
zbMATH Open document ID: 0582.76045
DOI: 10.1016/0167-2789(83)90273-7
published in: Physica D
publication date: 1983-01-01T00:00:00Z
review text: Various mechanisms of the generation of mean flows by fluctuating convection motions in fluid layers are reviewed. Reynolds stresses causing mean flows are either an intrinsic nonlinear property of convection, or they are produced when a secondary bifurcation to a more complex form of convection occurs, or they enter in the form of an instability, such that the sign of the mean flow depends on initial conditions. The basic mechanisms are elucidated by simple analytical models. Geophysical and astrophysical applications which have motivated most of the research on the topic of this review are mentioned only in passing. Finally the problem of mean flow generation owing to a temperature dependent viscosity is considered and the analogy to the Reynolds stress mechanism is pointed out.
Mathematics Subject Classification ID: 76E15
Mathematics Subject Classification ID: 80A20
Mathematics Subject Classification ID: 76Rxx
zbMATH DE Number: 3932634
zbMATH Keywords: thermal Rossby waves
zbMATH Keywords: generation of mean flows
zbMATH Keywords: fluctuating convection motions
zbMATH Keywords: fluid layers
zbMATH Keywords: intrinsic nonlinear property of convection
zbMATH Keywords: secondary bifurcation
zbMATH Keywords: initial conditions
zbMATH Keywords: analytical models
zbMATH Keywords: mean flow generation
zbMATH Keywords: temperature dependent viscosity
zbMATH Keywords: Reynolds stress mechanism
author: Friedrich H. Busse
MaRDI profile type: Publication
full work available at URL: 0167-2789(83)90273-7
OpenAlex ID: W1975761161
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description: scientific article; zbMATH DE number 3932634