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[1]余仕成,周金华.载流长直螺线管和螺绕环的磁场对称性分析[J].武汉工程大学学报,2010,(05):106-107.[doi:10.3969/j.issn.16742869.2010.05.029]
　YU Shi cheng,ZHOU Jin huaYU Shi cheng,ZHOU Jin hua.Symmetry analysis on the magnetic fields of carrying current long straight solenoid and endless solenoid[J].Journal of Wuhan Institute of Technology,2010,(05):106-107.[doi:10.3969/j.issn.16742869.2010.05.029]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2010年05期
页码:
106-107
栏目:
机电与信息工程
出版日期:
2010-05-31

文章信息/Info

Title:
Symmetry analysis on the magnetic fields of carrying current long
straight solenoid and endless solenoid
文章编号:
16742869(2010)05010602
作者:
余仕成; 周金华
武汉工程大学理学院，湖北 武汉 430074
Author(s):
YU Shicheng;  ZHOU JinhuaYU Shicheng;  ZHOU Jinhua
School of Science，Wuhan Institute of Technology，Wuhan 430074，China
关键词:
长直螺线管; 螺绕环; 磁场方向; 对称性
Keywords:
long straight solenoid;  endless solenoid; magnetic field direction;  symmetry
分类号:
0433
DOI:
10.3969/j.issn.16742869.2010.05.029
文献标志码:
A
摘要:
根据电流的对称性，选取对称的两个圆电流，并在两个圆电流上选取对称的两个电流元，利用毕奥-萨伐尔定律和磁场叠加原理证明了载流长直螺线管的磁场方向平行于管轴以及载流螺绕环的磁场方向沿过场点的同轴圆的切线方向.
Abstract:
Based on the symmetry of currents, the paper selects the two symmetrical circular currents, and selects a current element in each circular current, the results that the magnetic field direction of the carrying current long straight solenoid is parallel to the solenoid axis.The magnetic field direction of the carrying current endless solenoid over the field point along the tangent direction of the coaxial circle are proved by using the BiotSavart law and superposition principle of magnetic field.Based on the symmetry of currents, the paper selects the two symmetrical circular currents, and selects a current element in each circular current, the results that the magnetic field direction of the carrying current long straight solenoid is parallel to the solenoid axis.The magnetic field direction of the carrying current endless solenoid over the field point along the tangent direction of the coaxial circle are proved by using the BiotSavart law and superposition principle of magnetic field.

参考文献/References:

［1］余仕成.一个电磁感应演示实验的分析与计算［J］.武汉工程大学学报，2007，29（2）:9496.
［2］吴锡珑.大学物理教程（第二册）［M］.北京：高等教育出版社，1999:258259.
［3］黄祝明，吴锋.大学物理学（上册）［M］.北京：化学工业出版社，2008:214214.
［4］程守洙，江之永.普通物理学（第二册）［M］.北京：高等教育出版社，1998:231232.
［5］张三慧.电磁学［M］.北京：清华大学出版社，1999:261262.

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备注/Memo

备注/Memo:
收稿日期：20091105作者简介：余仕成（1959）男，湖北大悟人，副教授，硕士.研究方向：声学和热声学.
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