Abstract
A time-dependent process of directional crystallization with a two-phase (mushy) region with allowance for vigorous convection in the liquid phase is analytically described. An exact solution of non-linear mushy layer equations is found in a parametric form. The temperature and solute concentration distributions, as well as the solid phase fraction profile, are determined in the two-phase and liquid regions. The moving boundary of phase transition, which is placed between the two-phase zone and liquid is defined as a function of time. The present analytical solutions are in good agreement with laboratory experiments on ice grown from aqueous solutions of isopropanol.
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Alexandrov, D.V., Goltyakov, N.K., Ivanov, A.A. et al. On the theory of directional crystallization with a two-phase region with vigorous convection. Eur. Phys. J. Spec. Top. 229, 2951–2959 (2020). https://doi.org/10.1140/epjst/e2020-000048-8
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DOI: https://doi.org/10.1140/epjst/e2020-000048-8