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首页> 外文会议>International Conference on Applied Computational Fluid Dynamics October 17-20, 2000 Beijing China >Numerical prediction of turbulent flow, heat and solute transport with phase change for Fe-C binary alloy in crystallizor of inverse casting
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Numerical prediction of turbulent flow, heat and solute transport with phase change for Fe-C binary alloy in crystallizor of inverse casting

机译：倒铸结晶器中Fe-C二元合金湍流，传热和溶质相变数值预测

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摘要

A two-dimensional numerical model has been undertaken to describe coupled liquid steel's turbulent flow, heat transfer and solute transport with solidification for Fe-C binary alloy in the crystallizor. The solid-liquid phase change phenomena have been modeled by using the continuum formulations and considering the mush zone as porous media. The turbulence flow in the crystallizor has been accounted for, using a modified version of the low-Reynolds-number k - epsilon turbulence model of Launder and Sharma. A well-known numerical procedure, SIMPLE, has solved the control equations in conjunction with a phase iteration procedure. The flow pattern, solidification profiles and carbon segregation of inverse casting have been studied.
机译：已经建立了二维数值模型来描述结晶器中的Fe-C二元合金在凝固过程中钢水的湍流，传热和固溶耦合。固液相变现象已通过使用连续体公式并考虑糊状区作为多孔介质进行了建模。使用Launder和Sharma的低雷诺数k-ε湍流模型的修改版，可以解释结晶器中的湍流。众所周知的数值程序SIMPLE已结合相位迭代程序求解了控制方程。研究了反向铸​​造的流型，凝固曲线和碳偏析。

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