Thermal-diffusion and diffusion-thermo effects on mixed free-forced convection and mass transfer boundary layer flow for non-Newtonian fluid with temperature dependent viscosity

摘要

A numerical study of the laminar mixed free-forced convection of non-Newtonian power law fluid with mass transfer is presented. The flow in boundary layer includes the temperature which dependent on viscosity with thermal-diffusion and diffusion-thermo effects. The equations of momentum, energy and concentration are solved numerically with the aid of the Chebyshev finite difference method. The computation is carried out for wide range of the various material parameters associated with the power law non-Newtonian fluid. The results indicate that all the flow, thermal and concentration fields depend on the material parameters of the problem. During the course of discussion, the skin-friction, the rate of heat and mass transfer are obtained and discussed numerically and illustrated graphically.