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Convection in a rotating cylindrical annulus Part 3. Vacillating and spatially modulated flows

Published online by Cambridge University Press:  26 April 2006

M. Schnaubelt  and
F. H. Busse
M. Schnaubelt
Affiliation:
Institute of Physics, University of Bayreuth, D-8580 Bayreuth. Germany
F. H. Busse
Affiliation:
Institute of Physics, University of Bayreuth, D-8580 Bayreuth. Germany
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Abstract

The problem of convection driven by radial buoyancy in a rotating cylindrical annulus with conical end surfaces represents one of the basic models of rotating fluid dynamics with applications to convection in planets and stars. Although only two-dimensional equations govern the flow in the limit of high rotation rates, a surprising variety of different states of motion can be found. In this paper earlier numerical work is extended by the consideration of rigid boundary conditions at the cylindrical walls and by a study of spatially modulated convection. Of particular interest is the case of curved conical end surfaces which appears to promote the formation of separate cylindrical convection layers.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 245 , December 1992 , pp. 155 - 173
Copyright
© 1992 Cambridge University Press

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