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Further thoughts on convective heat transport in a variable-viscosity fluid

Published online by Cambridge University Press:  12 April 2006

John R. Booker  and
Karl C. Stengel
John R. Booker
Affiliation:
Geophysics Program, University of Washington, Seattle
Karl C. Stengel
Affiliation:
Geophysics Program, University of Washington, Seattle
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Abstract

In a previous paper (Booker 1976) we found experimentally that the convective heat transport in a fluid with temperature-dependent viscosity decreased significantly as the ratio of the viscosities at the top and bottom boundaries increased. In this note, we show that this decrease in heat transport can be entirely accounted for by an increase in the critical Rayleigh number with variable viscosity.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 86 , Issue 2 , 29 May 1978 , pp. 289 - 291
Copyright
© 1978 Cambridge University Press

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References

Booker, J. R. 1976 Thermal convection with strongly temperature-dependent viscosity. J. Fluid Mech. 76, 741.Google Scholar
Liang, S. F. 1969 Ph.D. thesis, Stanford University.
Rossby, H. T. 1969 A study of Bénard convection with and without rotation. J. Fluid Mech. 36, 309.Google Scholar