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Roles of Bumpy Field on Collisionless Particle Confinement in Helical-Axis Heliotrons
http://hdl.handle.net/10655/3043
http://hdl.handle.net/10655/30431d77ae14-47ae-4cf0-b375-3280002a790b
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 | Roles of Bumpy Field on Collisionless Particle Confinement in Helical-Axis Heliotrons | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | bumpy field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | collisionless particle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | mod-B_min contour | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | helical-axis heliotoron | |||||
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 |
"Yokoyama, M.
× "Yokoyama, M.× Nakajima, N.× Okamoto, M.× Nakamura, Y.× Wakatani, M." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "Roles of bumpy field on collisionless particle confinement in helica1-axis heliotrons are investigated with the model magnetic field and particle orbit calculations in the Boozer coordinates. The mod-B_min contours can be shifted in the major radius direction with the control of the bumpy field, where B_min is the minimum value of |B| in the toroidal direction within one field period. The area of closed mod-B_min contours is a useful measure to evaluate global collisionless particle confinement as long as the mod-B_min contours connect toroidally. Negative value of ratio between the bumpy and the helicity components contributes to obtain the largest area of closed mod-B_min contours for finite ratio between the toroidicity and the helicity components. The radial variation of the bumpy field attributes to realize a toroidally localized mod-B_min Structure, which is significantly effective to improve collisionless particle confinement." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1999-02-01 |
|||||
報告書番号 | ||||||
NIFS-583 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |