Numerical Study of Whisker Field Lines in the Periphery of the Large Helical Device
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- Akao Hideki
- Faculty of Science, Hiroshima University
書誌事項
- タイトル別名
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- Numerical Study of Whisker Field Lines
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抄録
The behavior of periphery magnetic field lines in the standard Large Helical Device (l=2 heliotron/torsatron type) configuration is studied numerically. Three different types of behavior are found, corresponding to three different regions: the stochastic region near the outermost magnetic surface, the whisker region, and the inter-whisker region outside the stochastic region. The behavior of whisker and inter-whisker field lines is specifically analyzed. It is found that whisker field lines exhibit both regular and irregular types of behavior, whereas inter-whisker field lines exhibit only regular behavior. The connection lengths for the whisker field lines are usually as long as several tens of toroidal pitches, whereas those for the inter-whisker field lines are usually less than ten toroidal pitch lengths. Whisker field lines are characterized by three fundamental processes: stretching, folding, and nesting associated with the motion of a residual X-point of the separatrix. Simple modeling is performed to reproduce these three fundamental processes.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 59 (5), 1633-1646, 1990
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204179267328
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- NII論文ID
- 110001960910
- 130003900610
- 210000095239
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1990JPSJ...59.1633A
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 3662699
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可