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Microinstabilities in hydrogen- and helium-dominated multi-ion-species plasmas in LHD
http://hdl.handle.net/10655/00012595
http://hdl.handle.net/10655/000125957420d33a-9a38-4da9-96bb-be2cf0f5fe07
名前 / ファイル | ライセンス | アクション |
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Plasma_Phys.Control.Fusion59_pp044013 (782.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-21 | |||||
タイトル | ||||||
タイトル | Microinstabilities in hydrogen- and helium-dominated multi-ion-species plasmas in LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gyrokinetic simulation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | microinstabilities | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Large Helical Device | |||||
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 |
NUNAMI, Masanori
× NUNAMI, Masanori× Nakata, Motoki× SUGAMA, Hideo× TANAKA, Kenji× TODA, Shinichiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The ion scale microinstabilities in the large helical device (LHD) are investigated by the gyrokinetic simulations for the multi-ion-species plasmas including hydrogen, helium, and impurity ions. The observations in the LHD experiments show that the ion temperature increases with the decreases of the ratio of hydrogen density to helium density. It is found from the linear gyrokinetic simulations with the multi-ion-species and real-mass kinetic electrons in the LHD discharges that the growth rates of the ion scale microinstabilities are reduced for the helium-dominated multi-species plasma compared with the hydrogen-dominated one. In addition to the differences of the conditions including the temperature, the density profiles, and the temperature ratio between both plasmas, due to the dependence on the mass number and the electric charge of the mixed ion species, the mixing length estimates obtained from the linear simulations predicts smaller ion thermal diffusivity for the helium-dominated plasma than the hydrogen-dominated one in the hydrogen gyro-Bohm unit, which is consistent with the experimental results. | |||||
書誌情報 |
Plasma Physics and Controlled Fusion 巻 59, 号 4, p. 044013, 発行日 2017-03-09 |
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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 | 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 | 10.1088/1361-6587/aa5aa6 | |||||
権利 | ||||||
権利情報 | https://doi.org/10.1088/1361-6587/aa5aa6 | |||||
情報源 | ||||||
関連名称 | Citation Masanori Nunami et al 2017 Plasma Phys. Control. Fusion 59 044013 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1361-6587/aa5aa6 | |||||
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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