Numerical Study on Unsteady Free Convection and Mass Transfer Flow past a Vertical Porous Plate (original) (raw)

The unsteady free convection and mass transfer boundary layer flow past an accelerated infinite vertical porous plate by taking into account the viscous dissipation is considered when the plate accelerates in its own plane. The dimensionless momentum, energy and concentration equation are solved numerically by using explicit finite difference method with the help of a computer programming language Compaq visual FORTRAN 6.6. The obtained results of this study have been discussed for different values of well-known parameters with different time steps. The flow phenomenon has been identified with the help of flow parameters such as Porosity parameter (P), Grashof number for heat transfer (Gr), Modified Grashof number for mass transfer (Gc), Scmidth number (Sc), Prandtl number (Pr) and Eckert number (Ec). The effect of these parameters on the velocity field, temperature field and concentration field has been studied and results are presented graphically also skin friction and Nusselt number is represented by the tabular form

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