Kousksou, T. and Mahdaoui, M. and Ahmed, A. and Msaad, A.A. (2014) Melting over a wavy surface in a rectangular cavity heated from below. Energy, 64. pp. 212-219.

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The current numerical study is conducted to analyze melting in a rectangular closed enclosure by subjecting the bottom wavy surface to auniform temperature. The cavity vertical walls and the top wall are insulated while the bottom wall is maintained at temperature TB=38.3°C. The enclosure was filled by solid Gallium initially at temperature Ti=28.3°C. A numerical code is developed using an unstructured finite-volume method and an enthalpy porosity technique to solve for natural convection coupled to solid-liquid phase change. The validity of the numerical code used is ascertained by comparing our results with previously published results. The effect of the amplitude of the wavy surface on the flow structure and heat transfer characteristics is investigated in detail. It is found that the rate of the melting increases with the elevation in the magnitude of the amplitude value of the wavy surface. © 2013 Elsevier Ltd.

Item Type: Article
Uncontrolled Keywords: Enclosures; Finite volume method; Heat transfer; Natural convection; Numerical methods; Phase change materials; Enclosures; Finite volume method; Melting; Natural convection; Numerical methods; Phase change materials, Bottom wall; Enthalpy-porosity; Heat transfer characteristics; Numerical code; Rectangular cavity; Solid liquid phase change; Vertical wall; Wavy surface; Unstructured finite volume methods, Melting; Heat transfer, amplitude; enthalpy; flow structure; heat transfer; mathematical analysis; melting; porosity; temperature effect; heating; magnitude
Subjects: Engineering
Divisions: SCIENTIFIC PRODUCTION > Engineering
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:47
URI: http://eprints.umi.ac.ma/id/eprint/3308

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