Transient Mixed Convection Heat and Mass Transfer with Chemical Reaction along a Vertical Wavy Plate in a Micropolar Fluid

Abstract

The transient mixed convection heat and mass transfer with chemical reaction along a vertical wavy surface in micropolar fluids is studied by the coordinate transformation and the cubic spline collocation method. Effects of chemical reaction parameter, vortex viscosity parameter, thermal buoyancy number, concentration buoyancy number, Prandtl number, and Schmidt number on the transient local values of Nusselt number and Sherwood number are presented. In a mixed convection boundary layer, forced convection is the dominant mode of heat and mass transfer near the leading edge or at small time, while in regions farther downstream or at large time, natural convection becomes the dominant mode of heat and mass transfer. Increasing the generative chemical reaction parameter increases the surface heat transfer rate and decreases the surface mass transfer rate.