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Journal of Porous Media
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ISSN Imprimir: 1091-028X
ISSN En Línea: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v16.i11.40
pages 1011-1024

ON A LINEARIZATION METHOD FOR MHD FLOW PAST A ROTATING DISK IN POROUS MEDIUM WITH CROSS-DIFFUSION AND HALL EFFECTS

Ahmed Khidir
University of Tabuk
Precious Sibanda
School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Private Bag X01, Scottsvile, Pietermaritzburg-3209, South Africa

SINOPSIS

We investigate the effects of thermo-diffusion (Soret number) and diffusion-thermo (Dufour number) on hydromagnetic steady flow past a rotating disk in a porous medium with Hall current. The governing equations are transformed into a system of ordinary differential equations and solved using the successive linearization method (SLM). The effects of the magnetic interaction parameter, Soret number, Dufour number, Schmidt number, Prandtl number, and suction or injection parameter on the fluid velocity, temperature, and concentration distributions in the regime are depicted graphically and are analyzed in detail. The skin-friction coefficients for some parameters are also calculated and displayed in tables showing the effects of various parameters.


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