Numerical Simulation of Electromagnetic Field in Round Bloom Continuous Casting with Final Electromagnetic Stirring

被引：18
|
作者：
Ren, Bingzhi [1 ,2 ]
Chen, Dengfu [2 ]
Xia, Wentang [1 ]
Wang, Hongdan [1 ]
Han, Zhiwei [3 ]
机构：
[1] Chongqing Univ Sci & Technol, Sch Met & Mat Engn, Chongqing 401331, Peoples R China
[2] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
[3] CISDI Engn Co Ltd, Dept Continuous Casting, Chongqing 400013, Peoples R China
来源：
METALS | 2018年 / 8卷 / 11期
基金：
中国国家自然科学基金;
关键词：
numerical simulation; round bloom; continuous casting; final electromagnetic stirring; electromagnetic field; BILLET;
D O I：
10.3390/met8110903
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A 3D mathematical model was developed to simulate the electromagnetic field in Phi 600 mm round bloom continuous casting with final electromagnetic stirring (F-EMS), and the model was verified using measured data for the magnetic flux density in the stirrer centre. The distribution of electromagnetic force and the influence of current intensity and frequency were investigated. The results show that the Joule heat generated by F-EMS is very small and its influence on secondary cooling heat transfer in the stirring zone can be ignored. With an increase in current frequency, the electromagnetic force density at R/2 and R/3 of the Phi 600 mm round bloom first increases and then decreases, reaching a maximum at 10 Hz.
引用
收藏
页数：10
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