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电磁搅拌线圈的一种改进设计
引用本文:王伟,刘风亮,贾洪利,刘志珍.电磁搅拌线圈的一种改进设计[J].铸造技术,2012,33(7):869-871.
作者姓名:王伟  刘风亮  贾洪利  刘志珍
作者单位:1. 山东大学电气工程学院,山东济南,250061
2. 山东华特磁电科技股份有限公司,山东潍坊,262600
摘    要:针对现有电磁搅拌器磁场存在的熔炉边缘处磁感应强度偏小的问题,提出了一种电磁搅拌线圈的改进设计。比较两种结构的电磁搅拌线圈产生的磁场可以发现:在加载同样的电流密度的情况下,改进后的电磁搅拌线圈产生的磁感应强度要大得多,克服了熔炉边缘处磁感应强度偏小的缺点;在产生同样磁感应强度的情况下,改进后的电磁搅拌线圈加载的电流只需稍大于现有电磁搅拌线圈加载电流的1/2。

关 键 词:电磁搅拌  有限元  磁场计算  线圈

Improved Design of Electromagnetic Stirring Coil
WANG Wei , LIU Feng-liang , JIA Hong-li , LIU Zhi-zhen.Improved Design of Electromagnetic Stirring Coil[J].Foundry Technology,2012,33(7):869-871.
Authors:WANG Wei  LIU Feng-liang  JIA Hong-li  LIU Zhi-zhen
Affiliation:1(1.School of Electrical Engineering,Shandong University,Jinan 250061,China;2.Shandong Huate Magnet Technology Co.,Ltd.,Weifang 262600,China)
Abstract:An improved design of electromagnetic stirring coil was given aiming to the problem that the magnetic induction at melting furnace edges produced by existing electromagnetic stirrer was under level.Comparing the magnetic fields produced by two different structure of electromagnetic stirring coil,the conclusion is that if the current density loaded to the coils is identical,the magnetic induction produced by improved coil is much greater,which overcomes the above problem.And if the magnetic induction is identical,the current loaded to the improved coil is slightly greater than half of that loaded to the existing one.
Keywords:electromagnetic stirring  finite element  calculation of magnetic field  coil
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