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Journal of Porous Media
Импакт фактор: 1.752 5-летний Импакт фактор: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Печать: 1091-028X
ISSN Онлайн: 1934-0508

Выпуски:
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Journal of Porous Media

DOI: 10.1615/JPorMedia.v7.i1.10
8 pages

Analysis of Free Surface Enhancement in a Medium with Variable Porosity

M. R. Shahnazari
Faculty of Mechanical Engineering, K. N. Toosi University of Technology, Tehran, Iran
Abbas Abbassi
Department of Mechanical Engineering, Amirkabir University of Technology (Tehran Polytechnic), 424 Hafez Ave., P.O. Box 15875-4413, Tehran, Iran

Краткое описание

In this article, a mathematical model is presented to analyze the momentum transfer during the surface enhancement of nonhomogeneous porous media. The flow regime is assumed as non-Darcian with porosity (ε), permeability coefficient (K) are being variable. To consider the flow domain a new technique for the marker-and-cell method (MAC) with a variable grid system is employed. The effect of different Darcy numbers on the surface enhancement position at different Reynolds numbers is studied. In addition, the effect of variable permeability (K) in media with different porosities is considered and the results are presented.


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