Anisotropic effect of natural convection on the temperature field in an enclosure in the presence of stable temperature stratification

Unsteady natural convection in a vertical cylindrical enclosure is numerically modeled in the case of heat input from above and from the side. The anisotropic effect of intense convection on the temperature field is established. It is shown that in the stratified region the temperature is well descr...

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Bibliographic Details
Published in:Fluid dynamics 2015-09, Vol.50 (5), p.681-690
Main Authors: Anan’ev, A. V., Mironov, V. V., Moiseeva, D. A., Cherkasov, S. G.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Classical Mechanics
Engineering Fluid Dynamics
Fluid- and Aerodynamics
Physics
Physics and Astronomy
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Summary:Unsteady natural convection in a vertical cylindrical enclosure is numerically modeled in the case of heat input from above and from the side. The anisotropic effect of intense convection on the temperature field is established. It is shown that in the stratified region the temperature is well described by the time-dependent one-dimensional heat conduction equation with a three-dimensional heat source.
ISSN:0015-4628
1573-8507
DOI:10.1134/S0015462815050105