| Summary: | 碩士 === 國立高雄應用科技大學 === 機械與精密工程研究所 === 97 === This study investigates the natural convection of the Newton fluids in a square cavity saturated with porous medium. The cavity is affected by a magnetic field in the horizontal direction. The cavity is constructed with two adiabatic horizontal walls and two isothermal walls at different temperatures. Inside the cavity, there are two baffle plates embedded on either horizontal wall symmetrically. The fluid is assumed to be (a) two-dimensional incompressible laminar Newtonian fluid, (b) of negligible dissipation of viscous heat, (c) buoyancy-dependent as a result of fluid density. Numerical simulation iscarried out by using the Spline alternating - Direction Implicit Method (SADI). The results are displayed by streamlines and isotherms. The effect of the governing parameters Da, Ha, and Ra on the flow fields is discussed in details in the paper.
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