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

김극태
한국결정성장학회 (The Korea Association Of Crystal Growth, Inc.)|2019.06|한국결정성장학회지 (Journal of the Korean Crystal Growth and Crystal Technology)|제29권 제3호|pp. 107-114|DOI https://doi.org/10.6111/JKCGCT.2019.29.3.107

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키워드

Physical vapor transportHg2Br2Double diffusionVapor growth
주제분류재료공학

초록

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.

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.

참고문헌 (37)

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관련 논문AI추천

Effects of convection on physical vapor transport of Hg2Cl2 in the presence of Kr - Part I: under microgravity environments김극태, 이용근한국결정성장학회 · 한국결정성장학회지2013 · 제23권 제1호Theoretical gravity studies on roles of convection in crystal growth of Hg2Cl2-Xe by physical vapor transport under normal and high gravity environments권무현, 김극태한국결정성장학회 · 한국결정성장학회지2009 · 제19권 제3호Generic studies on thermo-solutal convection of mercurous chloride system of Hg2Cl2 and Ne during physical vapor transport김극태, 이경환, 최정길한국결정성장학회 · 한국결정성장학회지2009 · 제19권 제1호Studies on Nusselt and Sherwood number for diffusion-advective convection during physical vapor transport of Hg2Br2권무현, 김극태한국결정성장학회 · 한국결정성장학회지2021 · 제31권 제3호Heat transfer study of double diffusive natural convection in a two-dimensional enclosure at different aspect ratios and thermal Grashof number during the physical vapor transport of mercurous bromide (Hg2Br2): Part I. Heat transfer김극태, 하성호한국결정성장학회 · 한국결정성장학회지2022 · 제32권 제1호Effects of thermal boundary conditions and microgravity environments on physical vapor transport of Hg2Cl2-Xe system권무현, 김극태, 이경환한국결정성장학회 · 한국결정성장학회지2009 · 제19권 제4호

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