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Carbon impurities behavior and its impact on ion thermal confinement in high-ion-temperature deuterium discharges on the Large Helical Device
http://hdl.handle.net/10655/00012658
http://hdl.handle.net/10655/0001265823864dfa-44a8-495b-8ea3-9e33c3c8e793
名前 / ファイル | ライセンス | アクション |
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Plasma_Phys.Control.Fusion60_pp074005 (2.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-10-29 | |||||
タイトル | ||||||
タイトル | Carbon impurities behavior and its impact on ion thermal confinement in high-ion-temperature deuterium discharges on the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | carbon impurity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ion thermal transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | particle transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | confinement improvement | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | LHD | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | isotope effect | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | deuterium plasma | |||||
キーワード | ||||||
主題Scheme | Other | |||||
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 |
MUKAI, Kiyofumi
× MUKAI, Kiyofumi× NAGAOKA, Kenichi× TAKAHASHI, Hiromi× YOKOYAMA, Masayuki× MURAKAMI, Sadayoshi× NAKANO, Haruhisa× IDA, Katsumi× YOSHINUMA, Mikiro× SEKI, Ryosuke× KAMIO, Shuji× Fujiwara, Yutaka× OISHI, Tetsutaro× GOTO, Motoshi× MORITA, Shigeru× MORISAKI, Tomohiko× OSAKABE, Masaki× LHD, Experiment Group |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-1586-1084 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The behavior of carbon impurities in deuterium plasmas and its impact on thermal confinement were investigated in comparison with hydrogen plasmas in the Large Helical Device (LHD). Deuterium plasma experiments have been started in the LHD and high-ion-temperature plasmas with central ion temperature (T i) of 10 keV were successfully obtained. The thermal confinement improvement could be sustained for a longer time compared with hydrogen plasmas. An isotope effect was observed in the time evolution of the carbon density profiles. A transiently peaked profile was observed in the deuterium plasmas due to the smaller carbon convection velocity and diffusivity in the deuterium plasmas compared with the hydrogen plasmas. The peaked carbon density profile was strongly correlated to the ion thermal confinement improvement. The peaking of the carbon density profile will be one of the clues to clarify the unexplained mechanisms for the formations of ion internal transport barrier and impurity hole on LHD. These results could also lead to a better understanding of the isotope effect in the thermal confinement in torus plasma. | |||||
書誌情報 |
Plasma Physics and Controlled Fusion 巻 60, 号 7, p. 074005, 発行日 2018-05-15 |
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出版者 | ||||||
出版者 | IOP Science | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 07413335 | |||||
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 | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1361-6587/aac06c | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Plasma Physics and Controlled Fusion. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi.org/10.1088/1361-6587/aac06c. | |||||
情報源 | ||||||
関連名称 | Citation K Mukai et al 2018 Plasma Phys. Control. Fusion 60 074005 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1361-6587/aac06c | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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