Turbulence and transport characteristics of a barrier in a toroidal plasma

A. Fujisawa; A. Shimizu; H. Nakano; S. Ohsima; K. Itoh; H. Iguchi; Y. Yoshimura; T. Minami; K. Nagaoka; C. Takahashi; M. Kojima; S. Nishimura; M. Isobe; C. Suzuki; T. Akiyama; Y. Nagashima; K. Ida; K. Toi; T. Ido; S. I. Itoh; K. Matsuoka; S. Okamura; P. H. Diamond

doi:10.1088/0741-3335/48/4/S15

Turbulence and transport characteristics of a barrier in a toroidal plasma

A. Fujisawa, A. Shimizu, H. Nakano, S. Ohsima, K. Itoh, H. Iguchi, Y. Yoshimura, T. Minami, K. Nagaoka, C. Takahashi, M. Kojima, S. Nishimura, M. Isobe, C. Suzuki, T. Akiyama, Y. Nagashima, K. Ida, K. Toi, T. Ido, S. I. ItohK. Matsuoka, S. Okamura, P. H. Diamond

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

35 被引用数 (Scopus)

抄録

Turbulence and zonal flow at a transport barrier are studied with twin heavy ion beam probes in a toroidal helical plasma. A wavelet analysis is used to extract turbulence properties, e.g. spectra of both density and potential fluctuations, the coherence and the phase between them and the dispersion relation. Particle transport estimated from the fundamental characteristics is found to clearly rise with their intermittent activities after the barrier is broken down. Time-dependent analysis reveals that the intermittency of turbulence is correlated with the evolution of the stationary zonal flow.

本文言語	英語
ページ（範囲）	S205-S212
ジャーナル	Plasma Physics and Controlled Fusion
巻	48
号	4
DOI	https://doi.org/10.1088/0741-3335/48/4/S15
出版ステータス	出版済み - 4月 1 2006

!!!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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10.1088/0741-3335/48/4/S15

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引用スタイル

Fujisawa, A., Shimizu, A., Nakano, H., Ohsima, S., Itoh, K., Iguchi, H., Yoshimura, Y., Minami, T., Nagaoka, K., Takahashi, C., Kojima, M., Nishimura, S., Isobe, M., Suzuki, C., Akiyama, T., Nagashima, Y., Ida, K., Toi, K., Ido, T., ... Diamond, P. H. (2006). Turbulence and transport characteristics of a barrier in a toroidal plasma. Plasma Physics and Controlled Fusion, 48(4), S205-S212. https://doi.org/10.1088/0741-3335/48/4/S15

Fujisawa, A , Shimizu, A, Nakano, H, Ohsima, S, Itoh, K, Iguchi, H, Yoshimura, Y, Minami, T, Nagaoka, K, Takahashi, C, Kojima, M, Nishimura, S, Isobe, M, Suzuki, C, Akiyama, T, Nagashima, Y, Ida, K, Toi, K, Ido, T, Itoh, SI, Matsuoka, K, Okamura, S & Diamond, PH 2006, 'Turbulence and transport characteristics of a barrier in a toroidal plasma', Plasma Physics and Controlled Fusion, vol. 48, no. 4, pp. S205-S212. https://doi.org/10.1088/0741-3335/48/4/S15

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title = "Turbulence and transport characteristics of a barrier in a toroidal plasma",

abstract = "Turbulence and zonal flow at a transport barrier are studied with twin heavy ion beam probes in a toroidal helical plasma. A wavelet analysis is used to extract turbulence properties, e.g. spectra of both density and potential fluctuations, the coherence and the phase between them and the dispersion relation. Particle transport estimated from the fundamental characteristics is found to clearly rise with their intermittent activities after the barrier is broken down. Time-dependent analysis reveals that the intermittency of turbulence is correlated with the evolution of the stationary zonal flow.",

author = "A. Fujisawa and A. Shimizu and H. Nakano and S. Ohsima and K. Itoh and H. Iguchi and Y. Yoshimura and T. Minami and K. Nagaoka and C. Takahashi and M. Kojima and S. Nishimura and M. Isobe and C. Suzuki and T. Akiyama and Y. Nagashima and K. Ida and K. Toi and T. Ido and Itoh, {S. I.} and K. Matsuoka and S. Okamura and Diamond, {P. H.}",

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T1 - Turbulence and transport characteristics of a barrier in a toroidal plasma

AU - Fujisawa, A.

AU - Shimizu, A.

AU - Nakano, H.

AU - Ohsima, S.

AU - Itoh, K.

AU - Iguchi, H.

AU - Yoshimura, Y.

AU - Minami, T.

AU - Nagaoka, K.

AU - Takahashi, C.

AU - Kojima, M.

AU - Nishimura, S.

AU - Isobe, M.

AU - Suzuki, C.

AU - Akiyama, T.

AU - Nagashima, Y.

AU - Ida, K.

AU - Toi, K.

AU - Ido, T.

AU - Itoh, S. I.

AU - Matsuoka, K.

AU - Okamura, S.

AU - Diamond, P. H.

PY - 2006/4/1

Y1 - 2006/4/1

N2 - Turbulence and zonal flow at a transport barrier are studied with twin heavy ion beam probes in a toroidal helical plasma. A wavelet analysis is used to extract turbulence properties, e.g. spectra of both density and potential fluctuations, the coherence and the phase between them and the dispersion relation. Particle transport estimated from the fundamental characteristics is found to clearly rise with their intermittent activities after the barrier is broken down. Time-dependent analysis reveals that the intermittency of turbulence is correlated with the evolution of the stationary zonal flow.

AB - Turbulence and zonal flow at a transport barrier are studied with twin heavy ion beam probes in a toroidal helical plasma. A wavelet analysis is used to extract turbulence properties, e.g. spectra of both density and potential fluctuations, the coherence and the phase between them and the dispersion relation. Particle transport estimated from the fundamental characteristics is found to clearly rise with their intermittent activities after the barrier is broken down. Time-dependent analysis reveals that the intermittency of turbulence is correlated with the evolution of the stationary zonal flow.

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U2 - 10.1088/0741-3335/48/4/S15

DO - 10.1088/0741-3335/48/4/S15

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SN - 0741-3335

VL - 48

SP - S205-S212

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

IS - 4

ER -

Turbulence and transport characteristics of a barrier in a toroidal plasma

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