Abstract
AbstractTwo‐dimensional forced convection heat transfer from a heated porous semi‐circular obstacle attached to the adiabatic channel wall is numerically studied in the laminar and steady flow regime. The fluid is assumed to be Newtonian and incompressible. The aggregate influences of the chosen ranges of Prandtl number (Pr), Darcy number (Da), porosity (ε), Reynolds number (Re), and the blockage ratio (β) of the channel are explored. The Darcy‐Brinkman‐Forchheimer model is implemented to tackle the flow through the porous obstacle and the obtained governing equations are solved by FEM‐based COMSOL Multiphysics. The complex thermal field is illustrated through the isotherm contours, local and average Nusselt number. The front part of the obstacle contributes to the maximum heat transfer. Pr, Re, and the blockage ratio have a positive impact on heat transfer at a small value of Da.
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