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Magnetic Diagnostics of Magnetic Island in LHD

http://hdl.handle.net/10655/6394
http://hdl.handle.net/10655/6394
caa69d86-6280-4a20-937a-2049f7fa61d9
名前 / ファイル ライセンス アクション
pfr2007_02-S1094.pdf pfr2007_02-S1094.pdf (574.8 kB)
Item type 学術雑誌論文 / Journal Article_02(1)
公開日 2011-05-02
タイトル
タイトル Magnetic Diagnostics of Magnetic Island in LHD
言語 en
言語
言語 eng
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 magnetic island
キーワード
言語 en
主題Scheme Other
主題 magnetic diagnostics
キーワード
言語 en
主題Scheme Other
主題 self-healing
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 NARUSHIMA, Y.

× NARUSHIMA, Y.

en NARUSHIMA, Y.

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WATANABE, K.Y.

× WATANABE, K.Y.

en WATANABE, K.Y.


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SAKAKIBARA, S.

× SAKAKIBARA, S.

en SAKAKIBARA, S.

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OHYABU, N.

× OHYABU, N.

en OHYABU, N.

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YAMADA, H.

× YAMADA, H.

en YAMADA, H.

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NARIHARA, K.

× NARIHARA, K.

en NARIHARA, K.

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YAMADA, I.

× YAMADA, I.

en YAMADA, I.

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MORISAKI, T.

× MORISAKI, T.

en MORISAKI, T.

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INAGAKI, S.

× INAGAKI, S.

en INAGAKI, S.

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NAGAYAMA, Y.

× NAGAYAMA, Y.

en NAGAYAMA, Y.

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KOMORI, A.

× KOMORI, A.

en KOMORI, A.


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LHD, exp. group

× LHD, exp. group

en LHD, exp. group

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COOPER, W.A.

× COOPER, W.A.

en COOPER, W.A.

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抄録
内容記述タイプ Abstract
内容記述 Characteristics of magnetic islands are investigated by magnetic diagnostics in the Large Helical Device (LHD). The structure of the magnetic island with m/n = 1/1 (where, m and n are poloidal and toroidal mode number, respectively) can be estimated from the perturbed magnetic field appearing when a magnetic island changes. To measure the toroidal profile of the perturbed magnetic field δb1 originating from the plasma, a toroidal array of magnetic flux loops is set up in the LHD. The toroidal profile of δb1 is then spatially Fourier decomposed to determine the amplitude of the n = 1 component, δb1n=1 and its phase, φn=1 which correspond the change of the island width and the toroidal position of the X-point of the island, respectively. Therefore, the information about the magnetic island structure can be obtained from δb1n=1 and φn=1. In case the island width becomes larger than the seed island, measurements show that δb1n=1 is non-zero and φn=1 is temporally constant. A non-zero δb1n=1 can also be observed when the island width becomes smaller than the seed island. In this case, the angle φn=1 shifts by about π[rad] compared with the increasing case and the δb1n=1 is limited to a certain value which corresponding to the magnetic field suppressing the seed island.
書誌情報 en : Plasma and Fusion Research

巻 Vol.2, p. S1094-1 - S1094-5, 発行日 2007-01-01
出版者
出版者 プラズマ・核融合学会
DOI
識別子タイプ DOI
関連識別子 10.1585/pfr.2.S1094
権利
権利情報 ? 2007 The Japan Society of Plasma Science and Nuclear Fusion Research
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Cite as

NARUSHIMA, Y., WATANABE, K.Y., SAKAKIBARA, S., OHYABU, N., YAMADA, H., NARIHARA, K., YAMADA, I., MORISAKI, T., INAGAKI, S., NAGAYAMA, Y., KOMORI, A., LHD, exp. group, COOPER, W.A., 2007, Magnetic Diagnostics of Magnetic Island in LHD: プラズマ・核融合学会, S1094-1 - S1094-5- p.

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