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Journal of Porous Media
Fator do impacto: 1.752 FI de cinco anos: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v15.i1.70
pages 83-94

ANALYTICAL SOLUTION OF MHD STAGNATION-POINT FLOW IN POROUS MEDIA BY MEANS OF THE HOMOTOPY PERTURBATION METHOD

Ahmet Yildirim
Department of Mathematics, Ege University, 35100 Bornova-Izmir, Turkey; Department of Mathematics and Statistics, University of South Florida, Tampa, FL 33620-5700, USA
Sefa Anil Sezer
Science Faculty, Department of Mathematics, Istanbul Medeniyet University, Kadikoy-Istanbul, Turkey

RESUMO

In this study, the steady two-dimensional laminar forced magnetohydrodynamic Hiemenz flow against a flat plate with variable wall temperature in a porous medium is solved analytically by using the homotopy perturbation method (HPM). The nonlinear boundary layer equations were transformed, and the resulting ordinary differential equations were solved by HPM. The skin friction coefficient and the rate of heat transfer given by the HPM are in good agreement with the numerical solutions of the Keller box method.


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