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Density fluctuations and confinement in the Nagoya Bumpy Torus (NBT-1M)
http://hdl.handle.net/10655/117
http://hdl.handle.net/10655/117e4c2a02e-14bd-4109-b56c-91d7895f5b9c
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2356.pdf (856.7 kB)
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VoR_Phy.Flui.B3_1052 (892.7 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2009-02-24 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Density fluctuations and confinement in the Nagoya Bumpy Torus (NBT-1M) | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Komori, A.
× Komori, A.× Iguchi, H.× Fujiwara, M.× Shoji, T.× HOSOKAWA, M.× Kawai, Y.× IKEGAMI, Hideo |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The stabilization of low-frequency density fluctuations is evidenced in the Nagoya Bumpy Torus (NBT-1M) [Plasma Physics and Controlled Nuclear Fusion Research (IAEA, Vienna, 1985), Vol. 2, p. 551] in the presence of microwave-heated hot-electron rings. Flute-type fluctuations, which are considered to be stabilized by the charge-uncovering effect of the rings, are found to cause large plasma losses, and to affect radial density profiles in the way that the lower fluctuation level yields the steeper density gradient. The particle confinement is, therefore, improved by the hot-electron rings to some extent, but is mainly determined by the plasma convection, which is expected from the discrepancy between density and potential profiles. It is also found that fluctuations in a toroidal plasma inside the ring grow when a weak negative ambipolar potential and a steep density gradient are formed, and are reduced to a low level when a deep potential well is achieved. | |||||
書誌情報 |
en : Physics of Fluids B 巻 Vol.3, 号 Issue 4, p. pp.1052-1058, 発行日 1991-04-01 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0899-8221 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.859833 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.859833 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |