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  2. Published Papers

Isotope effects on transport in LHD

http://hdl.handle.net/10655/00013181
http://hdl.handle.net/10655/00013181
d58da603-d10d-4ded-952e-208930f4cb98
名前 / ファイル ライセンス アクション
12741_Plasma_Phys._Control._Fusion.pdf 12741_Plasma_Phys._Control._Fusion (4.7 MB)
license.icon
Item type 学術雑誌論文 / Journal Article(1)
公開日 2022-06-01
タイトル
タイトル Isotope effects on transport in LHD
言語
言語 eng
キーワード
主題Scheme Other
主題 isotope effect
キーワード
主題Scheme Other
主題 turbulence
キーワード
主題Scheme Other
主題 transport
キーワード
主題Scheme Other
主題 stellarator
キーワード
主題Scheme Other
主題 heliotron
キーワード
主題Scheme Other
主題 gyrokinetic simulation
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 TANAKA, Kenji

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TANAKA, Kenji

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NAGAOKA, Kenichi

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NAGAOKA, Kenichi
NAGAOKA, Ken-ichi

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IDA, Katsumi

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IDA, Katsumi

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YAMADA, H.

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YAMADA, H.

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KOBAYASHI, Tatsuya

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KOBAYASHI, Tatsuya

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SATAKE, Shinsuke

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SATAKE, Shinsuke

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NAKATA, Motoki

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NAKATA, Motoki

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KINOSHITA, Toshiki

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KINOSHITA, Toshiki

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OHTANI, Yoshiaki

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OHTANI, Yoshiaki

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TOKUZAWA, Tokihiko

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TOKUZAWA, Tokihiko

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TAKAHASHI, Hiromi

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TAKAHASHI, Hiromi

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WARMER, Felix

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WARMER, Felix

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MUKAI, Kiyofumi

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MUKAI, Kiyofumi

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MURAKAMI, Sadayoshi

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MURAKAMI, Sadayoshi

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SAKAMOTO, Ryuichi

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SAKAMOTO, Ryuichi

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NAKANO, Haruhisa

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NAKANO, Haruhisa

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OSAKABE, Masaki

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OSAKABE, Masaki

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MORISAKI, Tomohiko

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MORISAKI, Tomohiko

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NUNAMI, Masanori

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NUNAMI, Masanori

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TALA, T.

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TALA, T.

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TSUJIMURA, Toru

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TAKEMURA, Yuki

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TAKEMURA, Yuki
TAKEMURA, Yuuki

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YOKOYAMA, Masayuki

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YOKOYAMA, Masayuki

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SEKI, Ryosuke

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SEKI, Ryosuke

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IGAMI, Hiroe

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IGAMI, Hiroe

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YOSHIMURA, Yasuo

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KUBO, Shin

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KUBO, Shin

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SHIMOZUMA, Takashi

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AKIYAMA, Tsuyoshi

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YAMADA, Ichihiro

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YAMADA, Ichihiro

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YASUHARA, Ryo

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FUNABA, Hisamichi

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YOSHINUMA, Mikiro

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YOSHINUMA, Mikirou

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GOTO, Motoshi

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GOTO, Motoshi

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OISHI, Tetsutarou

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OISHI, Tetsutarou
OISHI, Tetsutaro

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MORITA, Shigeru

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MORITA, Shigeru

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MOTOJIMA, Gen

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MOTOJIMA, Gen

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SHOJI, Mamoru

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SHOJI, Mamoru

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MASUZAKI, Suguru

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MASUZAKI, Suguru

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MICHAEL, Clive A.

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MICHAEL, Clive A.

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VACHESLAVOV, L. N.

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VACHESLAVOV, L. N.

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著者ID
内容記述タイプ Other
内容記述 0000-0002-1606-3204
抄録
内容記述タイプ Abstract
内容記述 Isotope effects are one of the most important issues for predicting future reactor operations. Large helical device (LHD) is the presently working largest stellarator/helical device using super conducting helical coils. In LHD, deuterium experiments started in 2017. Extensive studies regarding isotope effects on transport have been carried out. In this paper, the results of isotope effect studies in LHD are reported. The systematic studies were performed adjusting operational parameters and nondimensional parameters. In L mode like normal confinement plasma, where internal and edge transport barriers are not formed, the scaling of global energy confinement time (τE) with operational parameters shows positive mass dependence (M0.27; where M is effective ion mass) in electron cyclotron heating plasma and no mass dependence (M0.0) in neutral beam injection heating plasma. The non-negative ion mass dependence is anti-gyro-Bohm scaling. The role of the turbulence in isotope effects was also found by turbulence measurements and gyrokinetic simulation. Better accessibility to electron and ion internal transport barrier (ITB) plasma is found in deuterium (D) plasma than in hydrogen (H). Gyro kinetic non-linear simulation shows reduced ion heat flux due to the larger generation of zonal flow in deuterium plasma. Peaked carbon density profile plays a prominent role in reducing ion energy transport in ITB plasma. This is evident only in plasma with deuterium ions. New findings on the mixing and non-mixing states of D and H particle transports are reported. In the mixing state, ion particle diffusivities are higher than electron particle diffusivities and D and H ion density profiles are almost identical. In the non-mixing state, ion particle diffusivity is much lower than electron diffusivity. Deuterium and hydrogen ion profiles are clearly different. Different turbulence structures were found in the mixing and non-mixing states suggesting different turbulence modes play a role.
書誌情報 Plasma Physics and Controlled Fusion

巻 63, 号 9, p. 094001, 発行日 2021-07-26
出版者
出版者 IOP Publishing
ISSN
収録物識別子タイプ ISSN
収録物識別子 0741-3335
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10643410
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 https://doi.org/10.1088/1361-6587/abffb6
権利
権利情報 © 2021 The Author(s).
権利
権利情報 Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence.
権利
権利情報 Any further distribution of this work mustmaintain attribution to the author(s) and the title of the work, journal citation and DOI.
情報源
関連名称 K Tanaka et al 2021 Plasma Phys. Control. Fusion 63 094001
関連サイト
識別子タイプ DOI
関連識別子 https://doi.org/10.1088/1361-6587/abffb6
関連名称 Publisher version
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
NAIS
12741
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Cite as

TANAKA, Kenji, NAGAOKA, Ken-ichi, IDA, Katsumi, YAMADA, H., KOBAYASHI, Tatsuya, SATAKE, Shinsuke, NAKATA, Motoki, KINOSHITA, Toshiki, OHTANI, Yoshiaki, TOKUZAWA, Tokihiko, TAKAHASHI, Hiromi, WARMER, Felix, MUKAI, Kiyofumi, MURAKAMI, Sadayoshi, SAKAMOTO, Ryuichi, NAKANO, Haruhisa, OSAKABE, Masaki, MORISAKI, Tomohiko, NUNAMI, Masanori, TALA, T., TSUJIMURA, Toru, TAKEMURA, Yuuki, YOKOYAMA, Masayuki, SEKI, Ryosuke, IGAMI, Hiroe, YOSHIMURA, Yasuo, KUBO, Shin, SHIMOZUMA, Takashi, AKIYAMA, Tsuyoshi, YAMADA, Ichihiro, YASUHARA, Ryo, FUNABA, Hisamichi, YOSHINUMA, Mikirou, GOTO, Motoshi, OISHI, Tetsutaro, MORITA, Shigeru, MOTOJIMA, Gen, SHOJI, Mamoru, MASUZAKI, Suguru, MICHAEL, Clive A., VACHESLAVOV, L. N., 2021, Isotope effects on transport in LHD: IOP Publishing, 094001– p.

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