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Magnetic Field Structure near the Plasma Boundary in Helical Systems and Divertor Tokamaks
http://hdl.handle.net/10655/2878
http://hdl.handle.net/10655/2878befd3f55-e9f5-4dea-8719-14306620e2e5
Item type | 研究報告書 / Research Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Magnetic Field Structure near the Plasma Boundary in Helical Systems and Divertor Tokamaks | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | edge magnetic field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | divertor tokamak | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | toroidal helical system | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetic braiding | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | connection length to the wall | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
"Nagasaki, K.
× "Nagasaki, K.× Itoh, K." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "Magnetic field structure of the scrape off layer (SOL) region in both helical systems and divertor tokamaks is studied numerically by using model fields. The connection length of the field line to the wall is calculated. In helical systems, the connection length, L, has a logarithmic dependence on the distance from the outermost magnetic surface or that from the residual magnetic islands. The effect of axisymmetric fields on the field structure is also determined. In divertor tokamaks, the connection length also has logarithmic properties near the separatrix. Even when the perturbations, which resonate to rational surfaces near the plasma boundary, are added, Iogarithmic properties still remain. We compare the connection length of torsatron/helical-heliotron systems with that of divertor tokamaks. It is found that the former is shorter than the latter by one order magnitude with similar aspect ratio." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1990-02-01 |
|||||
報告書番号 | ||||||
NIFS-017 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |