QU Jing-jing, ZENG Zhong, QIAO Long, DING Yu-chong, FU Chang-lu. Numerical Simulation of the Micro-PullingDown Method for YAG Crystal Growth[J]. Applied Mathematics and Mechanics, 2016, 37(6): 574-583. doi: 10.3879/j.issn.1000-0887.2016.06.003
Citation: QU Jing-jing, ZENG Zhong, QIAO Long, DING Yu-chong, FU Chang-lu. Numerical Simulation of the Micro-PullingDown Method for YAG Crystal Growth[J]. Applied Mathematics and Mechanics, 2016, 37(6): 574-583. doi: 10.3879/j.issn.1000-0887.2016.06.003

Numerical Simulation of the Micro-PullingDown Method for YAG Crystal Growth

doi: 10.3879/j.issn.1000-0887.2016.06.003
Funds:  The National Natural Science Foundation of China(11572062)
  • Received Date: 2016-03-10
  • Rev Recd Date: 2016-04-28
  • Publish Date: 2016-06-15
  • The global numerical simulation was performed for the YAG crystal growth with the micro-pulling-down method. The induction heating, the convection of both gas and melt and the heat transfer of solid/melt/gas were solved simultaneously. In the melt zone, buoyancy convection and thermocapillary flow were considered. In order to uniformly discretize the controlling equations with the finite volume method, the electromagnetic field was modelled with the complex function method, and the computation of the electromagnetic field was verified with the results from the stream function method. Both the temperature and flow fields in the global furnace (including gas and melt) were investigated. As for the low temperature gradient at the solid-liquid interface, the effects of the afterheater was parametrically investigated. This work is useful for the optimal design of crystal growth furnaces.
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