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Special Topics & Reviews in Porous Media: An International Journal
ESCI SJR: 0.376 SNIP: 0.466 CiteScore™: 0.83

ISSN Imprimir: 2151-4798
ISSN En Línea: 2151-562X

Special Topics & Reviews in Porous Media: An International Journal

DOI: 10.1615/SpecialTopicsRevPorousMedia.v9.i3.50
pages 279-300

THERMAL DIFFUSION AND RADIATION EFFECT ON UNSTEADY MAGNETOHYDRODYNAMIC FREE-CONVECTION FLOW PAST AN IMPULSIVELY MOVING PLATE WITH RAMPED WALL TEMPERATURE AND RAMPED WALL CONCENTRATION

R. Chandra Sekhar Reddy
Department of Mathematics, RGMCET, Nandyal, A.P., India
M. C Raju
Annamacharya Institute of Technology and Sciences
Konda Jayarami Reddy
Department of Mathematics, K.L. University, Vaddeswaram, Guntur-522502, A.P., India
M. S. N. Reddy
Department of Mathematics, JNTUA College of Engineering, Pulivendula, A.P., India

SINOPSIS

In this article, we have investigated analytically the influence of thermal diffusion and radiation on unsteady magnetohydrodynamic, free-convective flow of an electrically conducting, viscous incompressible fluid past an impulsively moving isothermal porous plate and for the case of ramped wall temperature and ramped wall concentration. The nondimensional governing equations are solved in closed form by using Laplace transform method. Exact solutions for velocity, temperature, and concentration are obtained. With the aid of these expressions, skin friction, Nusselt number, and Sherwood number are derived. The effects of various physical parameters on the above flow equations are studied numerically with the help of graphs and tables.


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