Abstract—An analysis is made for the unsteady magnetohydrodynamic (MHD) free convection flow of a viscous, incompressible, electrically conducting fluid past a semi infinite vertical porous moving plate taking in to account the mass transfer with variable viscosity and thermal conductivity. An implicit finite difference method is used to solve the unsteady, non linear and coupled governing equations. A parametric study illustrating the influence of different flow parameters on velocity, temperature and concentration are investigated. Numerical results are presented for various parameters.

Index Terms—MHD, dufour, soret, variable viscosity and thermal conductivity.

Deepa Gadipally is with the Department of Mathematics, Chaitanya Bharathi Institiute of Technology, India (email: deepagadipally@yahoo.com).
Murali Gundagani is with the Department of Mathematics, School of Technology, GITAM, India.

Cite: Deepa Gadipally and Murali Gundagani, "Analysis of Soret and Dufour Effects on Unsteady MHD Convective Flow past a Semi-Infinite Vertical Porous Plate via Finite Difference Method," International Journal of Applied Physics and Mathematics vol. 4, no. 5, pp. 332-344, 2014.