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Journal of Porous Media
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ISSN Druckformat: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v12.i1.70
pages 89-99

Radiative Effects on Non-Darcy Natural Convection from a Heated Vertical Plate in Saturated Porous Media with Mass Transfer for Non-Newtonian Fluid

M. A. EL-Hakiem
Mathematics Department, Aswan Faculty of Science, South Valley University, Aswan, Egypt

ABSTRAKT

An analysis is presented to investigate the effect of radiation on non-Darcy natural convection over a vertical heated surface in a saturated porous medium with mass transfer for a non-Newtonian fluid. The differential equations governing both the nonsimilar and self-similar flows have been solved numerically using an implicit finite difference scheme. The results indicate that both the heat transfer and the velocity field are appreciably affected by the modified Grashof number and mass transfer, except that the effect of the modified Grashof number on the heat transfer for large suction is very small. It is found that the maximum velocity occurs at the wall and it increases as the wall-modified Grashof number injection increases.


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