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Study on simultaneous heat and mass transfer during the physical vapor transport of Hg2Br2 under μg conditions

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2019, 29(3), pp.107-114
  • DOI : 10.6111/JKCGCT.2019.29.3.107
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : May 22, 2019
  • Accepted : June 3, 2019
  • Published : June 30, 2019

Geug Tae Kim 1

1한남대학교

Accredited

ABSTRACT

A computational analysis has been carried out to get a thorough and full understanding on the effects ofconvective process parameters on double-diffusive convection during the growth of mercurous bromide (Hg2Br2) crystals onearth and under μg conditions. The dimensional maximum magnitude of velocity vector, |U|max decreases much drasticllynear Ar = 1, and, then since Ar = 2, decreases. The μg conditions less than 10−2g make the effect of double-diffusionconvection much reduced so that adequate advective-diffusion mass transfer could be obtained.

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