Natural convection in a porous medium coupled across an impermeable vertical wall with film condensation |
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Authors: | M. Mosaad |
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Affiliation: | (1) Mechanical Engineering Department Faculty of Engineering P.O. Box 52 35516 Mansoura University, Egypt, EG |
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Abstract: | This paper presents a theoretical study of thermofluid interaction between natural convection in fluid-saturated porous medium and film condensation, coupled through an impermeable vertical wall. The two heat transfer modes are analyzed separately. The solutions are matched on the wall. The complexion of this two-fluid problem is governed by a dimensionless interaction parameter which relates the heat transfer effectiveness of the two heat transfer mechanisms. The effect of this parameter on the flow and heat transfer is documented. Results regarding the overall heat transfer coefficient are obtained for a wide range of the independent parameters. Received on 19 January 1998 |
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