密绕椭球形线圈的自感系数
收稿日期: 2018-07-03
修回日期: 2018-10-19
网络出版日期: 2019-06-11
基金资助
广东省高等学校专业综合改革试点项目( XM060012 物理学)资助
Self-inductance of tightly wound ellipsoidal coil
Received date: 2018-07-03
Revised date: 2018-10-19
Online published: 2019-06-11
江俊勤 . 密绕椭球形线圈的自感系数[J]. 大学物理, 2019 , 38(5) : 20 . DOI: 10.16854 /j.cnki.1000-0712.180406
-inductance for a tightly wound ellipsoidal coil is derived. By using mathematica 10.3,the integral result for the azimuth
angle is expressed as the linear combination of the first and the second kinds of complete elliptic integral,
and then the self-inductance is numerically investigated. The axis ratio ( c /a) dependence of the self-inductance is
calculated and discussed. This result shows that when c /a = 1. 7,the self - inductance per unit volume is the
minimum. Finally,a convenient and practical polynomial interpolation function for self-inductance is given.
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