Abstract
This paper presents a numerical simulation of MHD effects on laminar fluid flow throws a two-dimensional channel with an open cavity heated partially from the bottom with a constant length for the heated wall. A constant speed fluid flow (air) inters the horizontal channel at constant cold temperature and all the walls assumed to be insulated accept the heated wall at the bottom of the open cavity. In this study, COMSOL Multiphysics® Modelling Software (5.5) have been selected to solve the governing equations The results are carried out with a verity range of Richardson number and Hartmann number, while the Reynolds number and Prandtl number are kept constants (Re= 100, and Pr=0.707). The result shows that the heat transfer increases with increasing of the Richardson number, while it decreases with the increase of the magnetic field effects.
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