Abstract: The combined effect of thermo-diffusion (Soret effect)
and diffusion-thermo (Dufour effect) on combined heat and mass transfer of a
steady hydromagnetic convective flow due to a rotating disk in the presence of
viscous dissipation and Ohmic heating is investigated. The partial differential
equations governing the problem under consideration have been transformed by a
similarity transformation into a system of ordinary differential equations which
are solved numerically byapplying the
shooting method. For fluids of medium molecular weight profiles of the dimensionless
velocity, temperature and concentration distributions are shown graphically for
various values of magnetic field parameter M, Eckert Ec, Schmidt Sc, Dufour Du and Soret Sr numbers. Finally,
numerical values of physical quantities, such as the local skin friction
coefficient, the local Nusselt number and the local Sherwood number are
presented in tabular form.
