Abstract
The effect of blowing/suction on steady two-dimensional laminar non-Darcy forced convection flow over a flat plate with variable wall temperature in a porous medium is numerically analyzed. The nonlinear uncoupled boundary-layer equations were transformed, and the resulting partial 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 combinations of parameters. In general, it is observed that in the suction (blowing) case both the local friction coefficient and the local Nusselt number increase (decrease). The local Nusselt number is more sensitive to the blowing/suction parametersf w than the local skin friction coefficient. The local Nusselt number enhances with the increase of Rek, Pr, and λ. Moreover, the local Nusselt number becomes nearly constant when ξ is very small (pure fluid flow) and ξ is very large (pure Darcy flow).
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