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Thermal convection with large viscosity variations

Published online by Cambridge University Press:  29 March 2006

K. E. Torrance  and
D. L. Turcotte
K. E. Torrance
Affiliation:
Cornell University, Ithaca, New York
D. L. Turcotte
Affiliation:
Cornell University, Ithaca, New York
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Abstract

The influence of large variations of viscosity on convection in a layer of fluid heated from below has been investigated. Solutions for the flow and temperature fields were obtained numerically assuming infinite Prandtl number, free-surface boundary conditions, and two-dimensional motion of fixed horizontal wavelength. The effects of a temperature-dependent and a depth-dependent viscosity were each studied; calculations were also carried out using a temperature- and depth-dependent viscosity model appropriate to the earth's mantle.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 47 , Issue 1 , 14 May 1971 , pp. 113 - 125
Copyright
© 1971 Cambridge University Press

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