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Matematicheskoe modelirovanie, 1999, Volume 11, Number 2, Pages 55–64 (Mi mm1061)  

2nd International Conference on Nonequilibrium Processes in Nozzles and Jets

Heat transfer and cristallization kinetics of melted drops under intensive cooling

D. L. Reviznikova, V. V. Rusakovb

a Moscow Aviation Institute
b Moscow Institute of Physics and Technology
Abstract: The process of microscopic melted drops solidification under intensive cooling is investigated. A two stage model of the process is suggested. At the first stage the volumetric mechanism of crystallization including formation of viable nuclei and their further growth is realized. It is shown that because temperature dependencies of the nucleation rate and of the crystal growth rate are nonmonotone the nucleation process near the cooling surface runs more intensively than in remaining volume of a drop. It results in formation of a continuous crystalline layer (in the external area). The consequent stage of frontal crystallization is described by a generalized Stephan problem. The process runs with a supercooling of front and the velocity of front moving is determined by thermal balance and frequency of incorporation of liquid phase atoms to a crystalline layer.
Language: Russian
Citation: D. L. Reviznikov, V. V. Rusakov, “Heat transfer and cristallization kinetics of melted drops under intensive cooling”, Matem. Mod., 11:2 (1999), 55–64
Citation in format AMSBIB
\Bibitem{RevRus99}
\by D.~L.~Reviznikov, V.~V.~Rusakov
\paper Heat transfer and cristallization kinetics of melted drops under intensive cooling
\jour Matem. Mod.
\yr 1999
\vol 11
\issue 2
\pages 55--64
\mathnet{http://mi.mathnet.ru/mm1061}
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