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Unsteady MHD Casson Fluid Flow past an Accelerated Vertical Plate Through Porous Medium in Presence of Thermal Radiation

Kamalesh K. Pandit
Department of Mathematics, Cotton College (Gauhati University) Guwahati-781001, India; Department of Mathematics, PDUAM, Eraligool Karimganj 788723, Assam, India

DOI: 10.1615/IHMTC-2017.1350
pages 971-981

摘要

The present paper aims at investigating the boundary layer flow of on an unsteady MHD free convection heat and mass transfer flow of a viscous, incompressible and electrically conducting Cassonfluid past an infinite vertical plate embedded in a porous medium. Casson fluid model is used to characterize the fluid behaviour. Heat absorption parameter is incorporated into the equation for the temperature field. The magnetic Reynolds number is considered to be so small that the induced magnetic field can be neglected. Exact solution of the governing equations is obtained in closed form by Laplace transform technique. The expressions for fluid velocity, fluid temperatureand species concentration are displayed graphically whereas the numerical values of skin friction, the Nusselt number and the Sherwood number are presented in tabular form for various values of pertinent flow parameters. It is found that the fluid velocity and skin friction are enhanced due to Casson parameters. The fluid velocity and fluid temperature are getting reduced due to heat absorption parameter.

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