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Home Archives Thermal Letter Officers Future meetings Assembly for International Heat Transfer Conferences

ISBN Print: 0-85295-345-3

ISSN: 2377-424X

International Heat Transfer Conference 10
August, 14-18, 1994, Brighton, UK

FREE CONVECTION IN AN ENCLOSURE PARTLY FILLED WITH A POROUS MEDIUM AND PARTIALLY HEATED FROM BELOW

Get access DOI: 10.1615/IHTC10.4370
pages 351-356

Abstract

Two dimensional natural convective flow in a square enclosure that is partly heated on the bottom surface and cooled on the top surface, has been studied numerically. The enclosure is partly filled with a fluid and partly filled with a porous medium, separated by an impermeable partition. The governing equations were solved using a finite element method. Results have been obtained for a Rayleigh number range of 103 ≤ Ra ≤ 3×l05, and Darcy numbers of Da = 10−4, 10−3 and for a Prandtl number of Pr = 0.7. The results show the effect of partial heating and the effect of the thickness of the porous layer on the overall heat transfer rate and flow patterns.
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