Mixed convection boundary layer flow on inclined wavy plates including the magnetic field effect

A coordinate transformation and the spline alternating-direction implicit method are applied to study the mixed convection boundary layer flow along an inclined wavy plate in the presence of a transverse magnetic field. A numerical solution of the transformed boundary layer equation has been carried out for different values of magnetic field, buoyancy, wavy geometry and material parameters. Results demonstrate that the heat transfer rate and the skin-friction coefficient increase with the inclined angle. As the Prandtl number increases, the heat transfer rate and its amplitude will increase, but the skin-friction coefficient and its amplitude will decrease. The action of the magnetic field tends to accelerate the flow near the leading edge of the wavy surface and decelerate the flow far downstream of the leading edge. However, the total mixed convection heat flux along a wavy plate is higher than that of a flat plate under all circumstances. (c) 2005 Elsevier SAS. All rights reserved.