Numerical simulation on dumping of convection by rotating a horizontal cylinder during crystal growth from vapor

1998 ◽  
Vol 192 (1-2) ◽  
pp. 328-334 ◽  
Author(s):  
S. Fujiwara ◽  
Y. Watanabe ◽  
Y. Namikawa ◽  
T. Keishi ◽  
K. Matsumoto ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Crystal Growth ◽  
Horizontal Cylinder ◽  
Growth From Vapor

Optimization of Bulk Hgcdte Growth in a Directional Solidification Furnace by Numerical Simulation

1995 ◽  
Vol 398 ◽  
Author(s):  
A.V. Bune ◽  
D.C. Gillies ◽  
S.L. Lehoczky
Keyword(s):  
Heat Transfer ◽  
Numerical Simulation ◽  
Finite Element ◽  
Crystal Growth ◽  
Numerical Model ◽  
Directional Solidification ◽  
Growth Conditions ◽  
Finite Element Code ◽  
Interface Shape ◽  
Solidification Furnace

ABSTRACTA numerical model of heat transfer by combined conduction, radiation and convection was developed using the FIDAP finite element code for NASA's Advanced Automated Directional Solidification Furnace (AADSF). The prediction of the temperature gradient in an ampoule with HgCdTe is a necessity for the evaluation of whether or not the temperature set points for furnace heaters and the details of cartridge design ensure optimal crystal growth conditions for this material and size of crystal. A prediction of crystal/melt interface shape and the flow patterns in HgCdTe are available using a separate complementary model.

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