| 冕环电流的成因分析 |
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| 引用本文： | 谭宝林,黄光力.冕环电流的成因分析[J].天文研究与技术,2006,3(2):191-197. |
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| 作者姓名： | 谭宝林 黄光力 |
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| 作者单位： | [1]中国科学院紫金山天文台,江苏南京210008 [2]中国科学院研究生院,北京100871 |
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| 基金项目： | 中国科学院资助项目;科技部科研项目 |
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| 摘 要： | 将冕环电流按成因分成三种类型：对流电流、感应电流和自举电流，并分别进行了讨论。将tokamak等离子体中的自举电流的概念引入到冕环中，初步分析表明在部分冕环中也可能产生可观的自举电流。这种电流的存在将对冕环的稳定性将产生重要的影响。
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| 关 键 词： | 冕环 电流 成因 |
| 文章编号： | 1672-7673(2006)02-0191-07 |
| 修稿时间： | 2006年1月16日 |
Analysis of the Origin of Electrical Current in Coronal Loops |
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| TAN Bao-lin,HUANG Guang-li.Analysis of the Origin of Electrical Current in Coronal Loops[J].Astronomical Research & Technology,2006,3(2):191-197. |
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| Authors: | TAN Bao-lin HUANG Guang-li |
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| Abstract: | According to the origin,the electrical currents in coronal loops can be classified into three kinds:the convective current,inductive current and bootstrap current that are investigated and discussed in this paper.Because the magnetic field configuration in solar coronal loop is much similar to that of the Tokamaks,and in Tokamaks,the bootstrap current plays an important role for their steady operating.We introduce the concept of the bootstrap current into coronal loops and find that there will be existence of a measurable bootstrap current in some coronal loops.This current will affect the instability of loops in a great way. |
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| Keywords: | coronal loop electrical current origin |
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