Solidification dynamics under random external-temperature fluctuations |
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Authors: | D. V. Alexandrov I. A. Bashkirtseva A. P. Malygin L. B. Ryashko |
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Affiliation: | 1. Ural Federal University, pr. Lenina 51, Yekaterinburg, 620083, Russia
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Abstract: | The nonlinear dynamic mechanisms of solid-phase formation with a phase transition region are studied under periodic and random fluctuations of the cooling-boundary temperature. It is theoretically shown that a mushy zone can form even at close liquid and cooling-boundary temperatures due to random temperature field fluctuations. The growth of a solid phase with the mushy zone is investigated as a function of the autocovariance characteristics of random noises. |
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