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圆电流和亥姆霍兹线圈磁场的研究
引用本文:张昌莘,席伟,何颖君.圆电流和亥姆霍兹线圈磁场的研究[J].安徽师范大学学报(自然科学版),2004,27(1):41-45.
作者姓名:张昌莘  席伟  何颖君
作者单位:茂名学院,技术物理系,广东,茂名,525000
基金项目:广东茂名学院校科研和教改项目
摘    要:根据毕奥-萨伐尔定律,导出了圆电流磁场分布的级数解表达式.应用磁场叠加原理,得到亥姆霍兹线圈的磁场分布的普遍表达式.由此讨论了亥姆霍兹线圈之间近轴和轴线上磁场的分布情况.并给出亥姆霍兹线圈产生均匀磁场区的条件.

关 键 词:毕奥-萨伐尔定律  圆电流  亥姆霍兹线圈  磁场  级数解  圆电流  亥姆霍兹线圈  线圈磁场  研究  HELMHOLTZ  CURRENT  CIRCULAR  FIELD  STUDY  条件  磁场区  均匀  分布情况  轴线  近轴  普遍表达式  叠加原理  应用  级数解  电流磁场
文章编号:1001-2443(2004)01-0041-05
修稿时间:2003年10月21日

STUDY ON AGNETIC FIELD OF A CIRCULAR CURRENT AND HELMHOLTZ' COILS
ZHANG Chang-xin,XI Wei,HE Ying-jun.STUDY ON AGNETIC FIELD OF A CIRCULAR CURRENT AND HELMHOLTZ'''' COILS[J].Journal of Anhui Normal University(Natural Science Edition),2004,27(1):41-45.
Authors:ZHANG Chang-xin  XI Wei  HE Ying-jun
Abstract:According to Biot-Savart law, a series solution of magnetic field on a circular current is derived in cylindrical coordinates system. Using superposition principle of magnetic field ,a formula of magnetic field on Helmholtz' coils has been obtained. The distribution of magnetic field at and near by axial has been discussed .A condition of making uniform magnetic field on Helmholtz' coils has been derived.
Keywords:Biot-Savart law  Circular current  Helmholtz' Coils  Magnetic  field  Series solution
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