建立了板坯连铸的凝固传热数学模型,充分考虑了弧形铸坯的几何特点,采用有限单元法求解控制方程.通过变参数φ来考虑铸坯内钢水和两相糊状区的导热系数,计算了参数φ、结晶热通量、拉速和二冷强度对铸坯表面温度和坯壳厚度的影响.结果表明,模型的准确性得到提高,拉速对固液界面有明显影响,二冷强度对铸坯表面温度影响非常大.
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