Time-dependent three-dimensional simulation of the turbulent flow and heat transfer in czochralski crystal growth including the three-phase boundary movement
Publication date
2010
Document type
Conference paper
Author
Organisational unit
Scopus ID
ISBN
Conference
High Performance Computing in Science and Engineering 2010
Book title
High Performance Computing in Science and Engineering '10 : Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2010
First page
353
Last page
367
Part of the university bibliography
✅
Abstract
In the literature, numerical computations of the Czochralski process for crystal growth are conducted using a quasi-steady state assumption for the crystallization neglecting time-dependent effects. In the present work, an algorithm is developed, which allows to calculate the transient behavior of the crystallization interface including the movement of the three-phase boundary and the free surface of the melt. Thus, in conjunction with the computation of the turbulent melt flow and heat transfer, more realistic predictions of the crystal growth can be achieved. Test cases show that with the algorithm, realistic phenomena like crystal diameter increase and decrease during the growth process could be reproduced. © Springer-Verlag Berlin Heidelberg 2011.
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