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A time dependent thermal and solutal convection problem in physical vapor transport of Hg2Cl2-I2 system

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2017, 27(2), pp.80-88
  • DOI : 10.6111/JKCGCT.2017.27.2.080
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Published : April 30, 2017

Geug Tae Kim 1

1한남대학교

Accredited

ABSTRACT

In this research a time dependent thermal and solutal convection was computationally investigated for the physical vapor transport of the mixture of Hg2Cl2-I2 system with for the convective regime from thermal Rayleigh number of 2.16 × 10 6 up to 1.7 × 10 7 with marching time to a steady state problem. With time marching, the convective cells are decreased for the thermal Rayleigh number of 2.16 × 10 6 , and increased for the thermal Rayleigh number of 1.7 × 10 7 . The convective flow structures are found to be essentially time independent on the horizontal orientation of the enclosure with respect to the gravity vector, and on the other hand, time dependent on the vertical orientation of the enclosure with respect to the gravity vector.

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