Numerical Simulation of Magnetic Field and Flow Field of Slab under Composite Magnetic Field

被引：2
|
作者：
Su, Zhijian [1 ,2 ]
Wei, Ren [1 ,2 ]
Du, Yida [1 ,2 ]
Fan, Wei [1 ,2 ,3 ]
Chen, Jin [1 ,2 ]
机构：
[1] Northeastern Univ, Key Lab Electromagnet Proc Mat, Minist Educ, Shenyang 110819, Peoples R China
[2] Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China
[3] Southern Univ Sci & Technol, Dept Earth & Space Sci, Shenzhen 518055, Peoples R China
来源：
METALS | 2023年 / 13卷 / 07期
基金：
中国国家自然科学基金;
关键词：
slab mold; flow control; composite magnetic field; electromagnetic stirring; ruler electromagnetic braking; STEEL; MOLD; BEHAVIOR; NOZZLE;
D O I：
10.3390/met13071237
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A kind of composite magnetic field for flow control in slab mold is proposed, in which an electromagnetic stirring (EMS) is carried out near the meniscus and an electromagnetic braking (EMBr) is carried out near the outlet of the submerged entry nozzle (SEN), simultaneously. The yoke for the EMS and the EMBr is made independent from each other, with a ruler type for the EMBr. A three-dimensional model of the magnetic field calculation is established. The simulation results show that the magnetic induction intensity generated with the EMS mainly concentrates in the EMS area. The magnetic induction intensity generated with the EMBr has a large component in the EMS results, which has little effect on the flow of this area. Based on the composite magnetic field calculation results, the three-dimensional numerical simulation of the flow field is carried out, and the flow field obtained is compared to that without the magnetic field but with the EMS and the EMBr only, respectively. The results show that under the composite magnetic field, EMBr and EMS can play their respective roles well under certain conditions, the impact of the jet flow on the narrow face is reduced, and the stirring beneath the meniscus is intensified.
引用
收藏
页数：15
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