Conjugate natural convection about a vertical cylindrical fin with lateral mass flux in a saturated porous medium |
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| Affiliation: | 1. Department of Energy, Faculty of Mechanical Engineering, University of Campinas, Rua Mendeleyev, 200, CidadeUniversitária “ZeferinoVaz”, 13083-860 Campinas, SP, Brazil;2. Department of Mechanical Engineering, Federal University of Technology - Parana (UTFPR),RuaDoutor Washington Subtil Chueire, 330, Jardim Carvalho, 84.017-220 Ponta Grossa, PR, Brazil;3. Laboratory of Mechanics, University Amar Telidji, BP G37, Laghouat 0300, Algeria;4. Kocaeli University, Engineering Faculty, Mechanical Engineering Department, Umuttepe Campus, 41001 Kocaeli, Turkey |
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| Abstract: | The problem of conjugate natural convection about a vertical cylindrical fin with uniform lateral mass flux in a fluid-saturated porous medium has been studied numerically. Solutions based on the third level of truncation are obtained by the local nonsimilarity method. The effects of the surface mass flux, the conjugate convection-conduction parameter, and the surface curvature on fin temperature distribution, local heat transfer coefficient, local heat flux, average heat transfer coefficient, and total heat transfer rate are presented. A comparison with finite-difference solutions for the case of constant wall temperature was made, and found in a good agreement. |
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