Numerical investigation of heat-mass transfer processes in hydrothermal growth system

被引：8
|
作者：
Popov, VN
Tsivinskaya, YS
Bekker, TB
Kokh, KA
Kokh, AE
机构：
[1] Branch Inst Mineral & Petrog, Novosibirsk 630058, Russia
[2] Inst Theoret & Appl Mech, Novosibirsk 630090, Russia
来源：
JOURNAL OF CRYSTAL GROWTH | 2006年 / 289卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
computer simulations; heat transfer; mass transfer; hydrothermal crystal growth;
D O I：
10.1016/j.jcrysgro.2005.12.104
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Numerical modeling of the convective heat-mass transport in a hydrothermal autoclave for beryl crystal growth has been performed. The system is considered as a composite fluid and porous layer with a seed placed in the upper part of the autoclave. The numerical solution of the flow model is done using combined Navier-Stokes and Darcy-Brinkman-Forchheimer equations, while concentration profiles are solved through the diffusion-convection equation. The numerical algorithm of the solution is presented. As a result of calculations, flow pattern, temperature and concentration fields for various heights of the porous layer have been determined. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：652 / 658
页数：7
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