Transition behaviour in the H-mode of the CHS heliotron/torsatron

K. Toi; S. Ohdachi; T. Morisaki; S. Sakakibara; S. Morita; T. Minami; K. Tanaka; H. Yamada; S. Okamura; K. Nishimura; K. Matsuoka; I. Yamada; R. Akiyama; A. Ando; A. Ejiri; K. Ida; H. Idei; H. Iguchi; A. Komori; S. Kubo; K. Narihara; T. Ozaki; C. Takahashi; K. Tsumori; J. Xu

doi:10.1088/0741-3335/38/8/024

Transition behaviour in the H-mode of the CHS heliotron/torsatron

K. Toi, S. Ohdachi, T. Morisaki, S. Sakakibara, S. Morita, T. Minami, K. Tanaka, H. Yamada, S. Okamura, K. Nishimura, K. Matsuoka, I. Yamada, R. Akiyama, A. Ando, A. Ejiri, K. Ida, H. Idei, H. Iguchi, A. Komori, S. KuboK. Narihara, T. Ozaki, C. Takahashi, K. Tsumori, J. Xu

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

The H-mode initiated by the control of the rotational transform profile in CHS exhibits a very rapid transition (in 100 μs or less) in NBI heated plasmas. There is no obvious difference in transition behaviour between hydrogen and deuterium. Langmuir probe measurement has revealed that the rapid change in floating potential occurs at the transition, but the change follows the formation of an edge transport barrier. The presence of an t = 1 surface just inside the last closed flux surface and a sawtooth crash triggered by internal modes play an important role in the H-mode transition of CHS.

Original language	English
Pages (from-to)	1289-1293
Number of pages	5
Journal	Plasma Physics and Controlled Fusion
Volume	38
Issue number	8
DOIs	https://doi.org/10.1088/0741-3335/38/8/024
Publication status	Published - 1996
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear Energy and Engineering
Condensed Matter Physics

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10.1088/0741-3335/38/8/024

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Toi, K., Ohdachi, S., Morisaki, T., Sakakibara, S., Morita, S., Minami, T., Tanaka, K., Yamada, H., Okamura, S., Nishimura, K., Matsuoka, K., Yamada, I., Akiyama, R., Ando, A., Ejiri, A., Ida, K., Idei, H., Iguchi, H., Komori, A., ... Xu, J. (1996). Transition behaviour in the H-mode of the CHS heliotron/torsatron. Plasma Physics and Controlled Fusion, 38(8), 1289-1293. https://doi.org/10.1088/0741-3335/38/8/024

Toi, K, Ohdachi, S, Morisaki, T, Sakakibara, S, Morita, S, Minami, T, Tanaka, K, Yamada, H, Okamura, S, Nishimura, K, Matsuoka, K, Yamada, I, Akiyama, R, Ando, A, Ejiri, A, Ida, K, Idei, H, Iguchi, H, Komori, A, Kubo, S, Narihara, K, Ozaki, T, Takahashi, C, Tsumori, K & Xu, J 1996, 'Transition behaviour in the H-mode of the CHS heliotron/torsatron', Plasma Physics and Controlled Fusion, vol. 38, no. 8, pp. 1289-1293. https://doi.org/10.1088/0741-3335/38/8/024

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title = "Transition behaviour in the H-mode of the CHS heliotron/torsatron",

abstract = "The H-mode initiated by the control of the rotational transform profile in CHS exhibits a very rapid transition (in 100 μs or less) in NBI heated plasmas. There is no obvious difference in transition behaviour between hydrogen and deuterium. Langmuir probe measurement has revealed that the rapid change in floating potential occurs at the transition, but the change follows the formation of an edge transport barrier. The presence of an t = 1 surface just inside the last closed flux surface and a sawtooth crash triggered by internal modes play an important role in the H-mode transition of CHS.",

author = "K. Toi and S. Ohdachi and T. Morisaki and S. Sakakibara and S. Morita and T. Minami and K. Tanaka and H. Yamada and S. Okamura and K. Nishimura and K. Matsuoka and I. Yamada and R. Akiyama and A. Ando and A. Ejiri and K. Ida and H. Idei and H. Iguchi and A. Komori and S. Kubo and K. Narihara and T. Ozaki and C. Takahashi and K. Tsumori and J. Xu",

year = "1996",

doi = "10.1088/0741-3335/38/8/024",

language = "English",

volume = "38",

pages = "1289--1293",

journal = "Plasma Physics and Controlled Fusion",

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TY - JOUR

T1 - Transition behaviour in the H-mode of the CHS heliotron/torsatron

AU - Toi, K.

AU - Ohdachi, S.

AU - Morisaki, T.

AU - Sakakibara, S.

AU - Morita, S.

AU - Minami, T.

AU - Tanaka, K.

AU - Yamada, H.

AU - Okamura, S.

AU - Nishimura, K.

AU - Matsuoka, K.

AU - Yamada, I.

AU - Akiyama, R.

AU - Ando, A.

AU - Ejiri, A.

AU - Ida, K.

AU - Idei, H.

AU - Iguchi, H.

AU - Komori, A.

AU - Kubo, S.

AU - Narihara, K.

AU - Ozaki, T.

AU - Takahashi, C.

AU - Tsumori, K.

AU - Xu, J.

PY - 1996

Y1 - 1996

N2 - The H-mode initiated by the control of the rotational transform profile in CHS exhibits a very rapid transition (in 100 μs or less) in NBI heated plasmas. There is no obvious difference in transition behaviour between hydrogen and deuterium. Langmuir probe measurement has revealed that the rapid change in floating potential occurs at the transition, but the change follows the formation of an edge transport barrier. The presence of an t = 1 surface just inside the last closed flux surface and a sawtooth crash triggered by internal modes play an important role in the H-mode transition of CHS.

AB - The H-mode initiated by the control of the rotational transform profile in CHS exhibits a very rapid transition (in 100 μs or less) in NBI heated plasmas. There is no obvious difference in transition behaviour between hydrogen and deuterium. Langmuir probe measurement has revealed that the rapid change in floating potential occurs at the transition, but the change follows the formation of an edge transport barrier. The presence of an t = 1 surface just inside the last closed flux surface and a sawtooth crash triggered by internal modes play an important role in the H-mode transition of CHS.

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U2 - 10.1088/0741-3335/38/8/024

DO - 10.1088/0741-3335/38/8/024

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SN - 0741-3335

VL - 38

SP - 1289

EP - 1293

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

IS - 8

ER -

Transition behaviour in the H-mode of the CHS heliotron/torsatron

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