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Journal of Applied Mathematics
Volume 2013, Article ID 182179, 9 pages
Research Article

Dufour and Soret Effects on Melting from a Vertical Plate Embedded in Saturated Porous Media

1Department of Mathematics, Ahmadu Bello University, Zaria, Nigeria
2Department of Mathematics/Statistics, Federal University of Technology, Minna, Nigeria

Received 18 May 2013; Revised 12 July 2013; Accepted 13 July 2013

Academic Editor: Srinivasan Natesan

Copyright © 2013 Basant K. Jha et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Thermal-diffusion and diffusion-thermo effects on combined heat and mass transfer in mixed convection boundary layer flow with aiding and opposing external flows from a vertical plate embedded in a liquid saturated porous medium with melting are investigated. The resulting system of nonlinear ordinary differential equations is solved numerically using Runge Kutta-Fehlberg with shooting techniques. Numerical results are obtained for the velocity, temperature, and concentration distributions, as well as the Nusselt number and Sherwood number for several values of the parameters, namely, the buoyancy parameter, melting parameter, Dufour effect, Soret effect, and Lewis number. The obtained results are presented graphically and in tabular form and the physical aspects of the problem are discussed.