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Effects of viscous dissipation on unsteady mhd free convective flow with thermophoresis past a radiate inclined permeable plate | ||
| Iranian Journal of Science | ||
| مقاله 12، دوره 38، شماره 3.1، دی 2014، صفحه 379-388 اصل مقاله (864.05 K) | ||
| نوع مقاله: Regular Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijsts.2014.2437 | ||
| نویسندگان | ||
| G. Deepa* 1؛ G. Murali2 | ||
| 1Department of Mathematics, C.B.I.T. University, Hyderabad, India | ||
| 2Department of Mathematics, G.I.T.A.M. University, Hyderabad, India | ||
| چکیده | ||
| An analysis is carried out to investigate the effects of variable chemical reaction, thermophoresis, temperaturedependent viscosity and thermal radiation on an unsteady MHD free convective heat and mass transfer flow of a viscous, incompressible, electrically conducting fluid past an impulsively started infinite inclined porous plate by taking into account the viscous dissipation effects. The governing nonlinear partial differential equations are transformed into a system of ordinary differential equations, which are solved numerically by using implicit finite difference scheme with shooting method. Numerical results for the non-dimensional velocity, temperature and concentration profiles as well as the local skin-friction coefficient, the local Nusselt number and the local Stanton number are presented for different physical parameters. The results show that variable viscosity significantly increases viscous drag and rate of heat transfer. The results also show that higher order chemical reaction induces the concentration of the particles for a destructive reaction and reduces for a generative reaction. | ||
| کلیدواژهها | ||
| Variable viscosity؛ chemical reaction؛ thermophoresis؛ MHD؛ Thermal radiation؛ finite difference scheme؛ viscous dissipation | ||
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