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Russian Physics Journal

, Volume 49, Issue 8, pp 869–873 | Cite as

One-dimensional model of convection during thermal migration

  • S. Yu. Knyazev
  • V. S. Lozovskii
Article
  • 16 Downloads

Abstract

A one-dimensional model of thermal migration in a flat solution-melt zone with allowance for the convective mass transfer is suggested. The finite difference method is used to go over to a discrete model. Results of a numerical experiment on the study of the convection influence on the thermal migration velocity of liquid-phase inclusions in the crystal are presented. It is demonstrated that the influence of convection, insignificant for small thickness of the liquid zones, sharply increases when this thickness increases above a certain critical value proportional to the solution-melt viscosity.

Keywords

Convective Flow Convective Motion Migration Velocity Zone Thickness Zone Volume 
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References

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    V. N. Lozovskii, G. S. Konstantinova, and A. I. Kalinyuk, in: Crystallization and Properties of Crystals, No. 4, Publishing House of Novocherkassk Polytechnic Institute, Novocherkassk (1977), pp. 13–26.Google Scholar

Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • S. Yu. Knyazev
    • 1
  • V. S. Lozovskii
    • 1
  1. 1.South-Russian State Technical UniversityRussia

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