Abstract
The effect of uniform suction/blowing on steady two-dimensional laminar forced MHD Hiemenz flow against a flat plate with variable wall temperature in a porous medium is numerically analyzed. The nonlinear boundary-layer equation were transformed and the resulting ordinary differential equations were solved by Keller box method. Numerical results for the dimensionless velocity profiles, the temperature profiles, the local friction coefficient and the local Nusselt number are presented for various values of Prandtl number Pr, the Hartmann number M, exponent of wall temperature λ, the permeability parameter Ω, and suction/blowing parameterf w . Generally, it has been found that the local friction coefficient and the local Nusselt number increase owing to suction of fluid and increasing Ω. This trend reversed for blowing of fluid and decreasing Ω. The type of flow is from pure fluid flow for Ω is very small changed into pure Darcy flow for Ω is very large.
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