Heat transfer and entropy generation optimization of forced convection in porous-saturated ducts of rectangular cross-section |
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| Affiliation: | 1. Department of PG Studies and Research in Mathematics, Kuvempu University, Shankaraghatta, India;2. Department of Mathematics, Quaid-I-Azam University 45320, Islamabad 44000, Pakistan;3. Department of Mechanical Engineering, Technology Faculty, F?rat University, 23119 Elaz??, Turkey;1. Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran;2. Renewable Energy Systems and Nanofluid Applications in Heat Transfer Laboratory, Babol Noshirvani University of Technology, Babol, Iran |
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| Abstract: | We investigate analytically the first and the second law characteristics of fully developed forced convection inside a porous-saturated duct of rectangular cross-section. The Darcy–Brinkman flow model is employed. Three different types of thermal boundary conditions are examined. Expressions for the Nusselt number, the Bejan number, and the dimensionless entropy generation rate are presented in terms of the system parameters. The conclusions of this analytical study will make it possible to compare, evaluate, and optimize alternative rectangular duct design options in terms of heat transfer, pressure drop, and entropy generation. |
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