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Effects of Net Toroidal Current on Mercier Criterion in the Large Helical Device
http://hdl.handle.net/10655/2678
http://hdl.handle.net/10655/26780a301ded-58c0-4b6a-807b-2120e2f8c967
名前 / ファイル | ライセンス | アクション |
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NIFS-174.pdf (1.2 MB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effects of Net Toroidal Current on Mercier Criterion in the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | MHD stability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mercier criterion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Large Helical Device | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | net toroidal current | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Shafranov shift | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma position | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
著者 |
Ichiguchi, K.
× Ichiguchi, K.× Nakajima, N.× Okamoto, M.× Nakamura, Y.× Wakatani, M. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Effects of the net toroidal current on the local ideal MHD stability or the Mercier criterion are investigated for a plasma in the heliotron/torsatron configuration by taking the Large Helical Device as an example. The three dimensional equilibrium code, VMEC, is used to study the local stability of equilibria with given net toroidal current. It is found that a subtractive current which decreases the rotational transform improves the stability while an additive current which increases the rotational transform deteriorates the stability. The change of the rotational transform at the magnetic axis due to the net toroidal current is the essential mechanism for the change of the stability property. Stability diagrams are drawn against the Mercier criterion for the configuration of the Large Helical Device shifting the plasma position inward or outward. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1992-09-01 |
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報告書番号 | ||||||
NIFS-174 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |