Convective-radiative double-diffusion heat transfer in power-law fluid due to a stretching sheet embedded in non-Darcy porous media with Soret–Dufour effects

Abstract

A numerical model is developed to study the combined effects of Soret and Dufour on mixed convection heat and mass transfer in a Power-law fluid saturated with Darcy–Forchheimer porous medium in the presence of nonlinear thermal radiation, chemical reaction and Ohmic dissipation. The governing boundary layer equations are solved numerically by using shooting method with Runge–Kutta Fehlberg integration scheme. The influence of Soret and Dufour numbers, chemical reaction, thermal Grashof number and solutal Grashof number on velocity, temperature and concentration fields are studied. The effects of some important physical parameters on skin-friction, Nusselt number and Sherwood number are studied in detail.