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International Heat Transfer Conference 11

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

NATURAL CONVECTION IN A RECTANGULAR CAVITY FILLED WITH AN ANISOTROPIC POROUS MEDIUM

G. Degan
Department of Mechanical Engineering Ecole Polytechnique, University of Montreal CP. 6079, Succ. "Down-Town" Montreal, P.Q , H3C 3A7 Canada

H. Beji
Université de Cergy-Pontoise, 5, Mail Gay Lussac, Neuville sur Oise, 95031 Cergy-Pontoise Cedex, France

Patrick Vasseur
Ecole Polytechnique, Université de Montréal, C.P. 6079, Succ. "Centre ville", Montréal, Québec H3C 3A7, Canada

DOI: 10.1615/IHTC11.4080
pages 441-446

Abstrakt

A study is made of natural convection heat transfer in a cavity filled with an anisotropic porous medium. The vertical walls are respectively heated and cooled isothermally, while the top and bottom walls are adi-abatic. The porous medium is anisotropic in thermal conductivity with its principal axes oriented in a direction that is oblique to the gravity vector. Governing parameters of the problem under study are the Rayleigh number R, aspect ratio of the cavity A, the thermal conductivity ratio k* and the angle of the principal axis θ. A numerical study is performed to assess and extend the results of the analytical predictions.

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