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Properties of Turbulence and Stationary Zonal Flow on Transport Barrier in CHS
http://hdl.handle.net/10655/3057
http://hdl.handle.net/10655/3057ddd75c3b-14e7-414b-8b09-9ffc71cca5b7
名前 / ファイル | ライセンス | アクション |
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NIFS-824.pdf (1.2 MB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Properties of Turbulence and Stationary Zonal Flow on Transport Barrier in CHS | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | electric field fluctuation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | heavy ion beam probes | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | zonalflow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | internal transport barrier | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
著者 |
Fujisawa, A.
× Fujisawa, A.× Shimizu, A.× Nakano, H.× Ohsima, S.× Itoh, K.× Iguchi, H.× Matsuoka, K.× Okamura, S.× Itoh, S.-I.× Diamond, P. H. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Spectral changes in electric field fluctuation are measured using twin heavy ion beam probes in CHS before and after an internal transport barrier is broken down. A wavelet analysis reveals intermittent behaviors of the fluctuations, and a significant correlation between fluctuation powers of the low (2.5 < f < 10 kHz) and high (30 < f < 250 kHz) ranges. The high frequency (turbulence) fluctuation increases with a decrease in the low frequency fluctuation after the back-transition. The change in the power distribution between these two frequency ranges may contribute to the improved transport on the barrier. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2005-10-01 |
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報告書番号 | ||||||
NIFS-824 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |