Abstract
An approximate theory is presented for solidification in a finite, initially overheated slab in which one wall is insulated and the other is subject to an instantaneous temperature drop below the freezing point. The simple expressions for the position of the phase change front as a function of time are derived. The results are compared with experimental data, numerical and approximate solutions as well as exact solution presented in other literature, and good agreement is attained. It is shown that the approximate method proposed herein is also valid for phase change problems with large Stefan numbers and different boundary conditions.
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Qu, P., Zhang, C., Liao, X. et al. A new computation method for solidification process in a finite, initially overheated slab. J. of Thermal Science 1, 272–277 (1992). https://doi.org/10.1007/BF02653207
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DOI: https://doi.org/10.1007/BF02653207