書誌事項
- タイトル別名
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- Three-Dimensional Localized Magnetic Reconnection in Torus Plasma Merging Device TS-4
- トーラスプラズマ合体実験装置TS-4における3次元局所磁気リコネクション
- トーラスプラズマ ガッタイ ジッケン ソウチ TS 4 ニ オケル 3ジゲン キョクショ ジキ リコネクション
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抄録
Three-dimensional (3-D) localized magnetic reconnection was studied experimentally using torus plasma merging device TS-4. The direct measurements of 3-D structures of current sheet revealed two unsteady and fast reconnection mechanisms: 3-D deformation of current sheet and mass ejection. When strong compression force IAcc∼60kA was applied to two plasma toroids with low guide field Bt/B¦¦∼1, toroidal modes n=1-3 of current sheet were observed to grow only during their reconnection and to disappear after the reconnection. This 3-D deformation promoted mass ejection from the current sheet, increasing the reconnection rate as well as reconnection (toroidal) electric field and outflow. On the other hand, the reconnection rate was maintained low under the high guide field Bt/B¦¦∼7 and weak compression IAcc∼0kA. These phenomena suggest that local compression of current sheet triggers its strong dissipation as well as plasma mass ejection, which are responsible for the onset of 3-D localized reconnection.
収録刊行物
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- 電気学会論文誌． Ａ
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電気学会論文誌． Ａ 130 (8), 765-771, 2010
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204599516288
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- NII論文ID
- 10026497272
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
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- NDL書誌ID
- 10765166
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- KAKEN
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- 抄録ライセンスフラグ
- 使用不可