Time-Dependent Three-Dimensional Simulation of the Turbulent Flow and Heat Transfer in Czochralski Crystal Growth Including the Three-Phase Boundary Movement

A. Raufeisen (), M. Breuer (), T. Botsch and A. Delgado
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A. Raufeisen: University of Applied Sciences Nuremberg, Faculty of Process Engineering (VT)
M. Breuer: Helmut Schmidt University Hamburg, Department of Fluid Mechanics (PfS)
T. Botsch: University of Applied Sciences Nuremberg, Faculty of Process Engineering (VT)
A. Delgado: University of Erlangen-Nuremberg, Institute of Fluid Mechanics (LSTM)

A chapter in High Performance Computing in Science and Engineering '10, 2011, pp 353-367 from Springer

Abstract: 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.

Keywords: Free Surface; Crystal Growth; Direct Numerical Simulation; Phase Interface; Crystal Growth Process (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-15748-6_27

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DOI: 10.1007/978-3-642-15748-6_27

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