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The thermo-physical effects of thermal radiation, heat generation and species concentration on Magnetohydrodynamic free convective heat and mass transfer flow over a vertical plate with variable thermal conductivity is considered. The governing partial differential equations are transformed into coupled nonlinear ordinary differential equations with similarity transformations. The resulting coupled nonlinear differential equation is solved numerically by Runge-Kutta forth order with shooting technique. The effects of the thermo-physical properties on velocity, temperature and concentration profiles are illustrated graphically and numerical values of skin friction, Nusselt number and Sherwood number are presented in tables. [ABSTRACT FROM AUTHOR]

The problem of some thermo-physical properties on free convective heat and mass transfer of reacting flow over a vertical plate in the presence of viscous dissipation is investigated. The governing partial differential equation is transformed to a coupled nonlinear ordinary differential equation with the help of similarity variables. Two special cases are analysed under some assumptions and the resulting coupled nonlinear ordinary differential equations for both cases is solved numerically by shooting method along with Runge-Kutta fourth order technique. The effects of thermo-physical parameters on velocity and temperature are shown graphically while numerical data for the local skin friction coefficient and Nusselt number have been tabulated for various values of certain parameters. [ABSTRACT FROM AUTHOR]