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Theory and experiments on the control of the stratification in almost-enclosed regions

Published online by Cambridge University Press:  19 April 2006

Lars Rahm  and
Gösta Walin
Lars Rahm
Affiliation:
Department of Oceanography, University of Gothenburg, Box 4038, 400 40 Gothenburg, Sweden
Gösta Walin
Affiliation:
Department of Oceanography, University of Gothenburg, Box 4038, 400 40 Gothenburg, Sweden
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Abstract

A comparison is made between the theoretically predicted and the observed stratification in a container which is traversed by a prescribed flux of fluid. Two different geometries were used illustrating respectively a useful procedure for the control of a stratified laboratory system and a mechanism which is believed to be geophysically significant, e.g. for the control of the stratification in certain estuaries. The behaviour of the fluid system was in all cases characterized by an almost stagnant interior with a boundary layer at the non-horizontal wall of buoyancy-layer type. Agreement between theory and experiment was satisfactory within experimental errors, say 10% of the overall temperature difference.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 90 , Issue 2 , 29 January 1979 , pp. 315 - 325
Copyright
© 1979 Cambridge University Press

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References

Walin, G. 1971 Contained non-homogeneous flow under gravity or how to stratify a fluid in the laboratory. J. Fluid Mech. 48, 647.Google Scholar