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首页> 外文期刊>Scandinavian Journal of Metallurgy >A numerical simulation of the DC continuous casting using average heat capacity
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A numerical simulation of the DC continuous casting using average heat capacity

机译：直流连铸平均热容的数值模拟

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摘要

Continuous casting is one of the prominent methods of production of metals. The effective design and operation of continuous casting machines needs complete analysis of the continuous casting process. In this paper, a finite volume model has been developed and applied to compute the fluid flow, temperature and flux distributions within the liquid, mushy and solid zones in the mold and cooling regions of an aluminum alloy direct-chill continuous casting machine. The average heat capacity method was successfully implemented for the analysis of conjugate heat transfer during the phase change phenomenon. The effect of phase change on convection is accounted for using a new modification in the velocity 'vector. The effect of casting speed on fluid flow, temperature and surface heat flux evolution was investigated. The predicted temperature distribution and surface heat flux were compared with experimental measurements and numerical solutions given in the literature. A reasonable agreement was obtained.
机译：连续铸造是金属生产的重要方法之一。连续铸造机的有效设计和操作需要对连续铸造过程进行全面分析。本文开发了有限体积模型，并将其应用于计算铝合金直冷连铸机结晶器和冷却区域中的液体，糊状和固体区域内的流体流量，温度和通量分布。平均热容法已成功地用于分析相变现象期间的共轭传热。在速度矢量中使用新的修改来说明相变对对流的影响。研究了铸造速度对流体流动，温度和表面热通量演变的影响。将预测的温度分布和表面热通量与文献中给出的实验测量值和数值解进行比较。获得了合理的协议。

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