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薄板坯连铸凝固过程中宏观偏析的数值模拟
李中原; 赵九洲
2004-07-24
Conference Name第十届全国特种铸造及有色合金学术年会暨第四届全国铸造复合材料学术年会
Source Publication特种铸造及有色合金年会专刊
Conference Date2004-07-24
Conference Place福州
Abstract本文建立了连铸凝固宏观传输过程的温度场、溶质场、紊流流场模型并对其进行了耦合求解,模拟分析了薄板坯凝固过程和宏观偏析的形成过程.计算表明,浸入式水口射流冲击到结晶器窄壁后形成上下两股回流,液相的紊流流动对传热、传质等都有显著的影响.随凝固的进行,液相中的溶质不断富集,最终在铸坯的中心区域形成宏观偏析.采用Schneider等的溶质传输模型,计算了固相溶质逆扩散对糊状区及固相溶质分布的影响.
description.department中国科学院金属研究所
Keyword薄板坯 连铸 凝固过程 数值模拟 宏观偏析
Funding Organization中国土木工程学会
Language中文
Document Type会议论文
Identifierhttp://ir.imr.ac.cn/handle/321006/70346
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
李中原,赵九洲. 薄板坯连铸凝固过程中宏观偏析的数值模拟[C],2004.
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