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Estimation of Partial Carbon Radiation at Each Ionization Stage of C2+ to C5+ Ions in Large Helical Device
http://hdl.handle.net/10655/00013342
http://hdl.handle.net/10655/00013342978695ad-b3aa-4238-80fa-b1ef6a00950b
名前 / ファイル | ライセンス | アクション |
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10232_PFR (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-07-05 | |||||
タイトル | ||||||
タイトル | Estimation of Partial Carbon Radiation at Each Ionization Stage of C2+ to C5+ Ions in Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | EUV spectroscopy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | VUV spectroscopy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | detached plasma | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | radiation loss | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | carbon radiation | |||||
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 |
ZHANG, Hongming
× ZHANG, Hongming× MORITA, Shigeru× OISHI, Tetsutarou× MURAKAMI, Izumi× HUANG, Xianli× GOTO, Motoshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Detached plasma has been successfully achieved with use of m/n = 1/1 resonant magnetic perturbation (RMP) coils in a large helical device (LHD) without any additional impurity gas puffing. Study of the impurity radiation is then important to clarify the physical mechanism triggering the RMP-assisted detachment. Resonance lines of CIII (977.02 Å, 2s2p–2s2), CIV (1548.2 Å, 2p–2s), CV (40.27 Å, 1s2p–1s2), and CVI (33.73 Å, 2p–1s) measured by vacuum ultraviolet (VUV) and extreme ultraviolet (EUV) spectrometers are used to estimate the radiation power from C2+–C5+ ions because carbon is the most abundant impurity element in LHD. For the purpose the spectral intensity from the VUV spectrometer is absolutely calibrated using the EUV spectrometer, with which the spectral intensity has already been calibrated. The partial carbon radiation at each ionization stage of C2+ to C5+ ions, Prad(Cq+), can be estimated for attached and detached plasmas by calculating the ratio of the partial carbon radiation to the resonance line based on ADAS atomic code. It is found that the radiation from C3+ ions existing near a radial location of ι/2π = 1 in the ergodic layer increases up to 40% of the total radiation loss and becomes a dominant origin to trigger the detached plasma, whereas carbon radiation is negligible in the attached plasma. | |||||
書誌情報 |
Plasma and Fusion Research 巻 11, 号 Special Issue 1, p. 2402019, 発行日 2016-03-04 |
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書誌的事項 | ||||||
the 25th International Toki Conference on Creating the Future – Innovative Science of Plasma and Fusion – | ||||||
出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-6821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.11.2402019 | |||||
権利 | ||||||
権利情報 | (c) 2016 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.11.2402019 | |||||
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 | ||||||
10232 |