Spatiotemporal Structure of Hα Emission from the Detached Plasma in GAMMA 10/PDX
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- TANAKA Hirohiko
- Graduate School of Engineering, Nagoya University
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- SAKAMOTO Mizuki
- Plasma Research Center, University of Tsukuba
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- EZUMI Naomichi
- Plasma Research Center, University of Tsukuba
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- TERAKADO Akihiro
- Plasma Research Center, University of Tsukuba
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- NOJIRI Kunpei
- Plasma Research Center, University of Tsukuba
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- MIKAMI Tomohiro
- Plasma Research Center, University of Tsukuba
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- KINOSHITA Yosuke
- Plasma Research Center, University of Tsukuba
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- KOBAYASHI Kaede
- Plasma Research Center, University of Tsukuba
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- YOSHIKAWA Masayuki
- Plasma Research Center, University of Tsukuba
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- KOHAGURA Junko
- Plasma Research Center, University of Tsukuba
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- OHNO Noriyasu
- Graduate School of Engineering, Nagoya University
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説明
<p>High-speed camera measurement was performed for analyses of detached plasma fluctuation in the GAMMA 10/PDX tandem mirror device. Significant spectral peaks at frequencies of 1.5 and 3 kHz were observed to have several local maxima along the vertical, near the entrance of the V-shaped target. Wavelet analysis indicated that 1.5- and 3-kHz fluctuations became non-simultaneously strong. Their phase relationships demonstrated inversion-symmetric and symmetric features with respect to the midplane. Such spectral patterns were interpreted as the line-integral of odd- and even-mode structures. It is suspected that the vertical edge part was due to radially elongated structures with an azimuthal phase shift.</p>
収録刊行物
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- Plasma and Fusion Research
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Plasma and Fusion Research 14 (0), 2402036-2402036, 2019-02-12
一般社団法人 プラズマ・核融合学会
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詳細情報 詳細情報について
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- CRID
- 1390845713059885440
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- NII論文ID
- 130007633118
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- NII書誌ID
- AA12346675
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- ISSN
- 18806821
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- HANDLE
- 10655/00013271
- 2241/00157922
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- IRDB
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可
