Ion temperature increase during MHD events on the TST-2 spherical tokamak

A. Ejiri; S. Shiraiwa; Y. Takase; T. Yamada; Y. Nagashima; H. Kasahara; D. Iijima; Y. Kobori; T. Nishi; T. Taniguchi; M. Aramasu; S. Ohara; M. Ushigome; K. Yamagishi

doi:10.1088/0029-5515/43/7/306

Ion temperature increase during MHD events on the TST-2 spherical tokamak

A. Ejiri, S. Shiraiwa, Y. Takase, T. Yamada, Y. Nagashima, H. Kasahara, D. Iijima, Y. Kobori, T. Nishi, T. Taniguchi, M. Aramasu, S. Ohara, M. Ushigome, K. Yamagishi

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

21 被引用数 (Scopus)

抄録

Various types of MHD events including internal reconnection events are studied on the TST-2 spherical tokamak. In weak MHD events no positive current spike was observed, but in strong MHD events with positive current spikes, a rapid and significant impurity ion temperature increase was observed. The decrease in the poloidal magnetic energy is the most probable energy source for ion heating. The plasma current shows a stepwise change. The magnitude of this step correlates with the temperature increase and is found to be a good indicator of the strength of each event.

本文言語	英語
ページ（範囲）	547-552
ページ数	6
ジャーナル	Nuclear Fusion
巻	43
号	7
DOI	https://doi.org/10.1088/0029-5515/43/7/306
出版ステータス	出版済み - 7月 2003
外部発表	はい

!!!All Science Journal Classification (ASJC) codes

核物理学および高エネルギー物理学
凝縮系物理学

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10.1088/0029-5515/43/7/306

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title = "Ion temperature increase during MHD events on the TST-2 spherical tokamak",

abstract = "Various types of MHD events including internal reconnection events are studied on the TST-2 spherical tokamak. In weak MHD events no positive current spike was observed, but in strong MHD events with positive current spikes, a rapid and significant impurity ion temperature increase was observed. The decrease in the poloidal magnetic energy is the most probable energy source for ion heating. The plasma current shows a stepwise change. The magnitude of this step correlates with the temperature increase and is found to be a good indicator of the strength of each event.",

author = "A. Ejiri and S. Shiraiwa and Y. Takase and T. Yamada and Y. Nagashima and H. Kasahara and D. Iijima and Y. Kobori and T. Nishi and T. Taniguchi and M. Aramasu and S. Ohara and M. Ushigome and K. Yamagishi",

year = "2003",

month = jul,

doi = "10.1088/0029-5515/43/7/306",

language = "English",

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TY - JOUR

T1 - Ion temperature increase during MHD events on the TST-2 spherical tokamak

AU - Ejiri, A.

AU - Shiraiwa, S.

AU - Takase, Y.

AU - Yamada, T.

AU - Nagashima, Y.

AU - Kasahara, H.

AU - Iijima, D.

AU - Kobori, Y.

AU - Nishi, T.

AU - Taniguchi, T.

AU - Aramasu, M.

AU - Ohara, S.

AU - Ushigome, M.

AU - Yamagishi, K.

PY - 2003/7

Y1 - 2003/7

N2 - Various types of MHD events including internal reconnection events are studied on the TST-2 spherical tokamak. In weak MHD events no positive current spike was observed, but in strong MHD events with positive current spikes, a rapid and significant impurity ion temperature increase was observed. The decrease in the poloidal magnetic energy is the most probable energy source for ion heating. The plasma current shows a stepwise change. The magnitude of this step correlates with the temperature increase and is found to be a good indicator of the strength of each event.

AB - Various types of MHD events including internal reconnection events are studied on the TST-2 spherical tokamak. In weak MHD events no positive current spike was observed, but in strong MHD events with positive current spikes, a rapid and significant impurity ion temperature increase was observed. The decrease in the poloidal magnetic energy is the most probable energy source for ion heating. The plasma current shows a stepwise change. The magnitude of this step correlates with the temperature increase and is found to be a good indicator of the strength of each event.

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U2 - 10.1088/0029-5515/43/7/306

DO - 10.1088/0029-5515/43/7/306

M3 - Article

AN - SCOPUS:0042807393

VL - 43

SP - 547

EP - 552

JO - Nuclear Fusion

JF - Nuclear Fusion

SN - 0029-5515

IS - 7

ER -

Ion temperature increase during MHD events on the TST-2 spherical tokamak

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!!!All Science Journal Classification (ASJC) codes

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