Numerical Simulation of Solid and Porous Fins’ Impact on Heat Transfer Performance in a Differentially Heated Chamber

Le Xuan Hoang Khoa, Ioan Pop and Mikhail A. Sheremet
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Le Xuan Hoang Khoa: Butakov Research Center, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Ioan Pop: Department of Mathematics, Babeş-Bolyai University, 400084 Cluj-Napoca, Romania
Mikhail A. Sheremet: Butakov Research Center, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia

Mathematics, 2022, vol. 10, issue 2, 1-14

Abstract: The development of different industrial fields, including mechanical and power engineering and electronics, demands the augmentation of heat transfer in engineering devices. Such enhancement can be achieved by adding extended heat transfer surfaces to the heated walls or heat-generating elements. This investigation is devoted to the numerical analysis of natural convective energy transport in a differentially heated chamber with isothermal vertical walls and a fin system mounted on the heated wall. The developed in-house computational code has been comprehensively validated. The Forchheimer–Brinkman extended Darcy model has been employed for the numerical simulation of transport phenomena in a porous material. The partial differential equations written, employing non-primitive variables, have been worked out by the finite difference technique. Analysis has been performed for solid and porous fins with various fin materials, amounts and heights. It has been revealed that porous fins provide a very good technique for the intensification of energy removal from heated surfaces.

Keywords: natural convection; solid and porous fins; differentially heated cavity; numerical technique (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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