Thermal radiation effect on mixed convection from horizontal surfaces in saturated porous media |
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Authors: | A Y Bakier Rama Subba Reddy Gorla |
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Institution: | (1) Department of Mathematics, Faculty of Science, Assiut University, Assiut, Egypt;(2) Department of Mechanical Engineering, Cleveland State University, 44115 Cleveland, OH, USA |
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Abstract: | An analysis is presented to investigate the effect of radiation on mixed convection from a horizontal flat plate in a saturated porous medium. Both a hot surface facing upward and a cold surface facing downward are considered in the analysis. The conservation equations that govern the problem are reduced to a system of nonlinear ordinary different equations. The important parameters of this problem are the radiation parameter R, the buoyancy parameter B, and the freestream to wall temperature ratio T ∞/T w for the case of a hot surface or the wall to freestream to wall temperature T w /T ∞ for the case of a cold surface. |
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Keywords: | thermal radiation mixed convection horizontal surfaces |
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