Heat Transfer and Entropy in a Vertical Porous Plate Subjected to Suction Velocity and MHD

Abstract

This article presents an investigation of heat transfer in a porous medium adjacent to a vertical plate. The porous medium is subjected to a magnetohydrodynamic effect and suction velocity. The governing equations are nondepersonalized and converted into ordinary differential equations. The resulting equations are solved with the help of the finite difference method. The impact of various parameters, such as the Prandtl number, Grashof number, permeability parameter, radiation parameter, Eckert number, viscous dissipation parameter, and magnetic parameter, on fluid flow characteristics inside the porous medium is discussed. Entropy generation in the medium is analyzed with respect to various parameters, including the Brinkman number and Reynolds number. It is noted that the velocity profile decreases in magnitude with respect to the Prandtl number, but increases with the radiation parameter. The Eckert number has a marginal effect on the velocity profile. An increased radiation effect leads to a reduced thermal gradient at the hot surface.

Numerical Exploration of Soret and Dufour Effect on Unsteady Free Convective Radiating Nanofluid Past a Vertical Moving Porous Plate

“…The effects of different governing parameters on the flow and heat transfer characteristics for two types of nanofluids that is Cu-water and 𝐴𝑙 2 𝑂 3water have been discussed by them. The heat transfer in a porous medium subjected to a magnetohydrodynamic effect and suction velocity adjacent to a vertical plate was evaluated by Ahammad et al, [9]. Their finding was that the thermal gradient at the hot surface reduces with an increased radiation effect.…”

Archive of Mechanical Engineering

“…Wakif et al [14] established a numerical solution of the electro-magneto-hydrodynamic convective flow of a viscous electrically conducting fluid over a horizontal Riga plate. Ahammad et al [15] presented a numerical investigation of heat transfer in a porous medium adjacent to a vertical plate whose problem was solved using the finite difference method. Veera Krishna et al [16] conducted numerical investigation on the effects of thermal radiation and rotation on the unsteady MHD convective flow past an infinite vertical moving absorbent plate using both similarity transformations and cubic B-splines collocation method.…”