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OALib Journal期刊
ISSN: 2333-9721
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板坯连铸结晶器内钢凝固过程热行为研究？II.模型验证与结果分析
DOI: 10.3724/SP.J.1037.2010.00664, PP. 678-687
Keywords: 板坯连铸,结晶器,热行为,气隙
Abstract:
基于建立的二维瞬态热/力耦合有限元模型,模拟计算了国内某钢厂实际板坯连铸工况下结晶器内某高强船板钢凝固过程的热行为,并利用现场实测温度数据验证了模型的可靠性.在此基础上重点研究分析了该钢在结晶器凝固过程角部区域气隙厚度、坯壳--铜板间的保护渣(包括液渣层和固渣层)分布及其热行为变化规律和对应区域的热流与表面温度变化特征,并揭示了拉速、结晶器锥度和保护渣性能变化对该钢种在结晶器内凝固热行为的影响.
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