Thermal Analysis of Flow in a Porous Medium Over a Permeable Stretching Wall |
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Authors: | A Tamayol K Hooman M Bahrami |
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Institution: | (1) Department of Mathematics & Institute for Mathematical Research, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;(2) School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia;(3) Faculty of Mathematics, University of Cluj, CP 253, 3400 Cluj, Romania; |
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Abstract: | This work presents a similarity solution for boundary layer flow through a porous medium over a stretching porous wall. Two
considered wall boundary conditions are power-law distribution of either wall temperature or heat flux which are general enough
to cover the isothermal and isoflux cases. In addition to momentum, both first and second laws of thermodynamics analyses
of the problem are investigated. Independent numerical simulations are also performed for verification of the proposed analytical
solution. The results, from the two independent approaches, are found to be in complete agreement. A comprehensive parametric
study is presented and it is shown that heat transfer and entropy generation rates increase with Reynolds number, Prandtl
number, and suction to the surface. |
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Keywords: | |
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