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Thermophoresis and Chemical Reaction Effects on Non-Darcy MHD Mixed Convective Heat and Mass Transfer past a Porous Wedge in the Presence of Suction or Injection

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Author(s): R. Kandasamy | Muhaimin | I. Hashim | Ruhaila

Journal: Sel├žuk Journal of Applied Mathematics
ISSN 1302-7980

Volume: 9;
Issue: 1;
Start page: 77;
Date: 2008;
Original page

Keywords: Chemical reaction | non-Darcy flow | Forchheimer number | mixed convection | thermophoresis | magnetic effect.

ABSTRACT
An analysis is presented to investigate the effects of thermophoresis on non-Darcy MHD mixed convective heat and mass transfer of a viscous, incompressible and electrically conducting fluid past a porous wedge in the presence of chemical reaction. The wall of the wedge is embedded in a uniform non-Darcian porous medium in order to allow for possible fluid wall suction or injection. The governing boundary layer equations are written into a dimensionless form by similarity transformations. The transformed coupled nonlinear ordinary differential equations are solved numerically by using the R.K.Gill and shooting methods. Favorable comparison with previously published work is performed. Numerical results for the dimensionless velocity, temperature and concentration profiles as well as for the skin friction, heat and mass transfer and deposition rate are obtained and displayed graphically for pertinent parameters to show interesting aspects of the solution.

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