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An implicit enthalpy formulation for macroscopic eutectic and progressive melting: DSC (Differential Scanning Calorimetry) applications

T. Kousksou, M. Alaphilippe, A. Jamil, T. El Rhafiki, M. Mouqalid and Y. Zeraouli

Energy, 2014, vol. 66, issue C, 919-926

Abstract: In this paper, a physical model is built to study the eutectic and progressive melting of salt solution in DSC (Differential Scanning Calorimetry) cells. The finite volume method is utilized to solve the heat transfer problem, and the general implicit source-based enthalpy method is employed to handle the absorbed latent heat during the phase change process. The resulting numerical solution is implicit in nature and although iteration on the time step is needed at each time level, the tridiagonal matrix algorithm can be utilized within the iterations leading to efficient and accurate solutions. The effects of the heating rate and the initial salt concentration on the kinetics of the melting process are examined.

Keywords: Salts solutions; Melting; Enthalpic method; DSC (Differential Scanning Calorimetry); Heat transfer (search for similar items in EconPapers)
Date: 2014
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Handle: RePEc:eee:energy:v:66:y:2014:i:c:p:919-926