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Convection on a non-uniformly heated, rotating plane

Published online by Cambridge University Press:  28 March 2006

E. L. Koschmieder
E. L. Koschmieder
Affiliation:
Department of the Geophysical Sciences The University of Chicago, Chicago, Illinois 60637
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Abstract

This investigation is concerned with the convective motions in a shallow layer of silicone oil on a plane, circular copper plate which is heated at the rim and cooled at the centre and at the same time rotated around a vertical axis. The oil is in touch with a glass lid, which is cooled uniformly. With sufficient heating axially symmetric concentric rings develop. The details of the motion can be described as a superposition of a circulation due to the horizontal temperature gradient and a circulation of opposite sense due to the centrifugal force, with the motions due to the vertical instability. There seems to be a conversion into rolls whose axes point radially, if the centrifugal circulation becomes too strong.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 33 , Issue 3 , 2 September 1968 , pp. 515 - 527
Copyright
© 1968 Cambridge University Press

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References

BéNARD, H. & Avsec, D. 1938 J. Phys. Radium, 9, 486.
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MüLLER, U. 1966 Beitr. Phys. Atmos. 39, 217.