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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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方坯连铸过程中钢液流动、凝固及溶质分布的耦合数值模拟
, PP. 99-104
Keywords: 方坯连铸,紊流,凝固,宏观偏析,耦合模拟
Abstract:
采用Fe-C二元合金的连续介质模型，对方坯连铸过程进行紊流动，凝固及溶质传输的三维耦合数值模拟，计算表明，注流在结晶器上部形成的回,大部分返回主入流股，其余部分随凝固坯壳向下流动，凝固坯壳在截面上由于注流冲刷造成不均匀分布，与实际情况相符，随凝固进行，液相中的溶质不断富集，最终在铸坯中心区域形成宏观偏析.
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