Stratified Visco-Elastic Fluid Flow in a Slip Flow Regime Past a Porous Surface in Presence of Heat Source/Sink

Abstract

A steady stratified visco-elastic fluid flow past a porous plate in a slip flow regime has been investigated under the influence of heat source/ sink. The plate is subjected to a constant suction veloctiy. In this study, generalized boundary conditions for the slip flow regime at the plate are used. The mechanism of visco-elastic fluid flow contains both viscous and elastic responses and it is characterized by Walters Liquid (Model Bˊ) for short relaxation memories. The governing equations are solved analytically by using perturbation technique. Velocity profile and temperature fields are presented graphically and shearing stress and Nusselt number (rate of heat transfer) are represnted in tabular form for various values of flow parameters involved in the solution with special emphasis given on the effects of visco-elasticity and stratification.