电磁分离铝熔体中夹杂的电磁场数值模拟  

Numerical Simulation of Magnetic Field in Electromagnetic Separation of Inclusions From Molten Aluminum

作　　者：李明军[1] 翟秀静[1] 孙中祺[1] 姚广春[1] 

机构地区：[1]东北大学材料电磁过程研究教育部重点实验室,辽宁沈阳110004

出　　处：《东北大学学报（自然科学版）》2001年第1期67-70,共4页Journal of Northeastern University(Natural Science)

基　　金：国家自然科学基金资助项目! (5 97740 17;国家重点基础研究发展规划项目资助项目! (G19990 64 90 4)

摘　　要：根据电磁流体力学 (MHD)的基本理论 ,利用矢量磁位积分 ,建立了在采用矩形电磁线圈和工频电源的条件下电磁分离铝熔体中夹杂的电磁场数学模型 ,模拟计算了电磁感应线圈气隙中的磁场分布状态 ,同时对制做的感应线圈的实际磁场进行了测量·模拟计算磁场的分布状态与实际磁场的测量结果基本一致 ,都表明在电磁感应线圈气隙中磁场分布均匀 。A mathemetical model of magnetic field in electromagnetic separation of inclusions from molten aluminum under rectangle coil and 50?Hz current is presented according to the magnetic vector potential integral equation and the basic theory of magnetohydrodynamics. The magnetic field distribution in the gap of coils is simulated by the model and the actual magnetic field distribution also is measured. The experimental results show that the magnetic field distribution in the gap of coils is uniform and is consistemt with the model simulation. The magnetic field designed accord the simulated result is proved suitable in the practice.

关 键 词：电磁场 铝熔体 夹杂 电磁分离 数值模拟 

分 类 号：TF821.01[冶金工程—有色金属冶金]