| 有限长密绕圆柱形螺线管自感系数的精确表达式 |
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| 引用本文： | 丁健. 有限长密绕圆柱形螺线管自感系数的精确表达式[J]. 大学物理, 2009, 28(5) |
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| 作者姓名： | 丁健 |
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| 作者单位： | 长安大学,理学院,物理系,陕西,西安,710064 |
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| 摘 要： | 对于有限长密绕圆柱形螺线管,首先用贝塞尔函数展开法推导出自感系数的积分形式的表达式,然后用直接积分的方法得出两个级数形式的自感系数表达式,最后对这两个表达式作了简要的分析与比较.
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| 关 键 词： | 螺线管 有限长 自感系数 精确表达式 |
The exact expression of self-inductance for a tightly wound cylindrical solenoid of finite length |
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| DING Jian. The exact expression of self-inductance for a tightly wound cylindrical solenoid of finite length[J]. College Physics, 2009, 28(5) |
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| Authors: | DING Jian |
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| Affiliation: | Department of Physics;College of Science;Chang'an University;Xi'an;Shaanxi 710064;China |
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| Abstract: | For a tightly wound cylindrical solenoid of finite length,the expression of self-inductance in the integral form is derived by means of the Bessel functance expansion.The two expressions of self-inductance in the series form are obtained by using the direct integration method.Some simple analysis and comparison on the two expressions are presented. |
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| Keywords: | solenoid finite length self-inductance exact expression |
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