本文介绍了连续铸锭凝固传热数学模型。从热平衡观点出发,导出了考虑小单元体内部和相邻小单元体之间热平衡的差分方程。并应用于连铸板坯结晶器凝固过程的模拟计算。讨论了操作工艺条件(如拉速、浇注温度、钢液流动、结晶器长度等)对结晶器内钢液凝固过程的影响。
A mathematical model for the heat transfer in the solidification of continuously cast slabs is proposed. A finite difference equation considering the viewpoint of the thermal equilibrium both within the unit and between the neighbour ones is derived and used in computer simulation of the solidification process of the continuously cast mould. The influence of operating parameter variations including casting speed and temperature, liquid convection in pool, mould length, etc. upon the solidification process of mould is discussed.
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