Numerical simulation of natural convection heat transfer in a ZnO single-crystal growth hydrothermal autoclave-Effects of fluid properties

被引：9
|
作者：
Masuda, Yoshio [1 ]
Suzuki, Akira [1 ]
Mikawa, Yutaka [2 ]
Yokoyama, Chiaki [3 ]
Tsukada, Takao [4 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Res Ctr Compact Chem Proc, Miyagino Ku, Sendai, Miyagi 9838551, Japan
[2] Fukuda Crystal Lab, Aoba Ku, Sendai, Miyagi 9893204, Japan
[3] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan
[4] Osaka Prefecture Univ, Osaka 5998531, Japan
来源：
JOURNAL OF CRYSTAL GROWTH | 2009年 / 311卷 / 03期
关键词：
Computer simulation; Convection; Heat transfer; Hydrothermal crystal growth; HOLE BAFFLES; FLOW;
D O I：
10.1016/j.jcrysgro.2008.09.068
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We have carried out a numerical simulation of the hydrothermal process for growing bulk single crystals of ZnO using SC/Tetra as the computational fluid dynamics software. The autoclave is assumed to be axisymmetric. The heat transfer by natural convection is calculated in order to study the effects of the variations in fluid properties. it has been found that the effect of the variations in heat capacity and viscosity is large. The temperature difference and flow rate between the raw-material zone and the crystal-growth zone are also discussed from the viewpoint of the transport phenomena in a crystal-growth process. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：675 / 679
页数：5
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