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Forced convection past a heated cylinder in a porous medium using a thermal nonequilibrium model: Boundary layer analysis

journal contribution
posted on 2023-05-18, 17:50 authored by Rees, DAS, Andrew BassomAndrew Bassom, Pop, I
We study the forced convective heat transfer from a uniform temperature cylinder placed perpendicular to an otherwise uniform fluid stream in a porous medium. Attention is focussed on how the absence of local thermal equilibrium between the solid and fluid phases affects the rate of heat transfer from the cylinder when the Péclet number is very large. It is found in all cases that the surface rate of heat transfer for the fluid is always greater than that of the solid matrix. Detailed numerical results are given for a wide range of parameter values, and these are supplemented by asymptotic analyses for both small and large values of the inter-phase heat transfer coefficient, H. When this coefficient is small the thermal field corresponding to the solid phase occupies a much greater region than does the thermal field of the fluid phase.

History

Publication title

European Journal of Mechanics B - Fluids

Volume

22

Issue

5

Pagination

473-486

ISSN

0997-7546

Department/School

School of Natural Sciences

Publisher

Gauthier-Villars/Editions Elsevier

Place of publication

23 Rue Linois, Paris, France, 75015

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the mathematical sciences

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