Regime diagram and three-dimensional effects of convective interactions in the hydrodynamic Czochralski modelстатья
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Дата последнего поиска статьи во внешних источниках: 10 октября 2019 г.
Аннотация:The generalized diagram of the critical Grashof numbers as functions of the Prandtl number is presented. The diagram shows the zones of occurrence of flowfield and temperature fluctuations in the axisymmetric and three-dimensional formulations of the crystal growth model using the pulling from a melt. The structure of thermals at high Prandtl numbers and the distinctive features of the three-dimensional convection structure in the zones of stabilization and hazardous mode changeover at different Prandtl numbers are discussed. The effect of crystal rotation on the flow and temperature field patterns is estimated.