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CHT'97 - Advances in Computational Heat Transfer. Proceedings of the International Symposium
May, 26-30, 1997 , Çesme, Turkey

DOI: 10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhenCHT


ISBN Print: 978-1-56700-115-0

ISSN: 2578-5486

EFFECTIVE THERMAL CONDUCTIVITY OF TWO-DIMENSIONAL POROUS MEDIA

page 8
DOI: 10.1615/ICHMT.1997.IntSymLiqTwoPhaseFlowTranspPhenCHT.650
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RÉSUMÉ

A simple and versatile methodology for solving the diffusion equation in a two-dimensional heterogeneous domain is presented and applied to the determination of the effective thermal conductivity of porous media. The numerical model is based on an explicit finite-difference scheme, and handles any geometry which can be represented on a rectangular grid. Numerical examples include a Sierpinski carpet and a spatially periodic porous medium. The proposed methodology is general and can be extended to three-dimensional heterogenous domains, made up of two or more media.

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