Thermophoresis and concentration effects in a fourth grade peristaltic flow with convective walls

Abstract

In this investigation, we have studied the peristaltic fluid flow in an asymmetric channel with convective walls. Fourth grade fluid model has been utilized in view of the fact that the results of all other differential type models can be deduced as the special case. Combined effects of heat and mass transfer are considered. The thermophoresis effects occur in the energy equation. Convective heat and mass boundary conditions have been given special attention. Long wave length and low Reynolds number approximations are utilized for the simplifications. Approximate analytic solutions for the velocity, temperature and concentration profiles are calculated using perturbation technique and elaborated in the form of graphical observations for various physical quantities.