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建立了描述自然对流条件下Si-Fe在铁液中熔化过程的数学模型.固相、液相和糊状区中的动量、热量和溶质传输用统一方程描述,用控制容积差分法耦合求解质量、动量、能量和溶质守恒方程,计算结果与实验结果基本一致.计算结果还显示,SI-Fe浸入铁液至完全熔化分为两个时期,即铁壳期和熔化期.

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