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On the effect of convective heat and mass transfer on unsteady mixed convection MHD flow through vertical porous medium
Faculty
Science
Year:
2018
Type of Publication:
ZU Hosted
Pages:
Authors:
Mohamed mohamed abdel hamid allaan
Staff Zu Site
Abstract In Staff Site
Journal:
International Journal of physical Sciences, (2018) 13(5) 66-78 Academic Journal
Volume:
Keywords :
, , effect , convective heat , mass transfer , unsteady
Abstract:
In this paper, we consider unsteady two-dimensional convective heat and mass transfer flow of a viscous, incompressible, electrically conducting optically thin fluid, which is bounded by a vertical infinite plane surface. A uniform applied homogeneous magnetic field is considered in the transverse direction with first order chemical reaction. An analytical solution for two-dimensional oscillatory flow on unsteady mixed convection of an incompressible viscous fluid, through a porous medium bounded by an infinite vertical plate in presence of chemical reaction and thermal radiation are presented. The surface absorbs the fluid with a constant suction and the free stream velocity oscillates about a constant mean value. The resulting nonlinear partial differential equations were transformed into a set of ordinary differential equations using two-term series. The closed form solutions for velocity, temperature, concentration, skin friction, Nusselt number, and Sherwood number have been obtained, using the regular perturbation technique. Numerical evaluation of the analytical solutions were performed and the results are presented in graphical and tabular form. This was done to illustrate the influence of the various parameters involved in the problem on the solutions.
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