Observation of flow reversal in plasmas with a neoclassical internal transport barrier in CHS

K. Ida; T. Minami; Y. Yoshimura; A. Fujisawa; C. Suzuki; M. Yokoyama; S. Murakami; S. Okamura; S. Nishimura; M. Isobe; H. Iguchi; K. Itoh; S. Kado; Y. Liang; I. Nomura; M. Osakabe; C. Takahashi; K. Tanaka; K. Matsuoka

doi:10.1088/0741-3335/44/3/306

Observation of flow reversal in plasmas with a neoclassical internal transport barrier in CHS

K. Ida, T. Minami, Y. Yoshimura, A. Fujisawa, C. Suzuki, M. Yokoyama, S. Murakami, S. Okamura, S. Nishimura, M. Isobe, H. Iguchi, K. Itoh, S. Kado, Y. Liang, I. Nomura, M. Osakabe, C. Takahashi, K. Tanaka, K. Matsuoka

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

10 被引用数 (Scopus)

抄録

A reversal of toroidal flow is observed in plasmas where a large positive electric field and a sharp electron temperature gradient are sustained inside the internal transport barrier in a compact helical system. This observation shows that the spontaneous toroidal flow in the direction anti-parallel to the <E_r × B_θ> drift becomes large enough to reverse the toroidal flow driven by a tangentially injected neutral beam. The difference in the direction and the magnitude of the spontaneous toroidal flow are also discussed.

本文言語	英語
ページ（範囲）	361-370
ページ数	10
ジャーナル	Plasma Physics and Controlled Fusion
巻	44
号	3
DOI	https://doi.org/10.1088/0741-3335/44/3/306
出版ステータス	出版済み - 3月 2002
外部発表	はい

!!!All Science Journal Classification (ASJC) codes

原子力エネルギーおよび原子力工学
凝縮系物理学

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10.1088/0741-3335/44/3/306

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Ida, K., Minami, T., Yoshimura, Y., Fujisawa, A., Suzuki, C., Yokoyama, M., Murakami, S., Okamura, S., Nishimura, S., Isobe, M., Iguchi, H., Itoh, K., Kado, S., Liang, Y., Nomura, I., Osakabe, M., Takahashi, C., Tanaka, K., & Matsuoka, K. (2002). Observation of flow reversal in plasmas with a neoclassical internal transport barrier in CHS. Plasma Physics and Controlled Fusion, 44(3), 361-370. https://doi.org/10.1088/0741-3335/44/3/306

Ida, K, Minami, T, Yoshimura, Y, Fujisawa, A, Suzuki, C, Yokoyama, M, Murakami, S, Okamura, S, Nishimura, S, Isobe, M, Iguchi, H, Itoh, K, Kado, S, Liang, Y, Nomura, I, Osakabe, M, Takahashi, C, Tanaka, K & Matsuoka, K 2002, 'Observation of flow reversal in plasmas with a neoclassical internal transport barrier in CHS', Plasma Physics and Controlled Fusion, vol. 44, no. 3, pp. 361-370. https://doi.org/10.1088/0741-3335/44/3/306

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abstract = "A reversal of toroidal flow is observed in plasmas where a large positive electric field and a sharp electron temperature gradient are sustained inside the internal transport barrier in a compact helical system. This observation shows that the spontaneous toroidal flow in the direction anti-parallel to the r × Bθ> drift becomes large enough to reverse the toroidal flow driven by a tangentially injected neutral beam. The difference in the direction and the magnitude of the spontaneous toroidal flow are also discussed.",

author = "K. Ida and T. Minami and Y. Yoshimura and A. Fujisawa and C. Suzuki and M. Yokoyama and S. Murakami and S. Okamura and S. Nishimura and M. Isobe and H. Iguchi and K. Itoh and S. Kado and Y. Liang and I. Nomura and M. Osakabe and C. Takahashi and K. Tanaka and K. Matsuoka",

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AU - Ida, K.

AU - Minami, T.

AU - Yoshimura, Y.

AU - Fujisawa, A.

AU - Suzuki, C.

AU - Yokoyama, M.

AU - Murakami, S.

AU - Okamura, S.

AU - Nishimura, S.

AU - Isobe, M.

AU - Iguchi, H.

AU - Itoh, K.

AU - Kado, S.

AU - Liang, Y.

AU - Nomura, I.

AU - Osakabe, M.

AU - Takahashi, C.

AU - Tanaka, K.

AU - Matsuoka, K.

PY - 2002/3

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N2 - A reversal of toroidal flow is observed in plasmas where a large positive electric field and a sharp electron temperature gradient are sustained inside the internal transport barrier in a compact helical system. This observation shows that the spontaneous toroidal flow in the direction anti-parallel to the r × Bθ> drift becomes large enough to reverse the toroidal flow driven by a tangentially injected neutral beam. The difference in the direction and the magnitude of the spontaneous toroidal flow are also discussed.

AB - A reversal of toroidal flow is observed in plasmas where a large positive electric field and a sharp electron temperature gradient are sustained inside the internal transport barrier in a compact helical system. This observation shows that the spontaneous toroidal flow in the direction anti-parallel to the r × Bθ> drift becomes large enough to reverse the toroidal flow driven by a tangentially injected neutral beam. The difference in the direction and the magnitude of the spontaneous toroidal flow are also discussed.

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Observation of flow reversal in plasmas with a neoclassical internal transport barrier in CHS

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!!!All Science Journal Classification (ASJC) codes

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