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Single field-of-view tomographic imaging of 3D impurity emission distribution in magnetized edge plasma of LHD
http://hdl.handle.net/10655/00012888
http://hdl.handle.net/10655/00012888c852bbe7-9421-4ad7-8350-f1775bac4bad
名前 / ファイル | ライセンス | アクション |
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Rev.Sci.Instrum.89_pp123502 (2.9 MB)
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VoR_Rev.Sci.Instrum89_123502 (11.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-01-17 | |||||
タイトル | ||||||
タイトル | Single field-of-view tomographic imaging of 3D impurity emission distribution in magnetized edge plasma of LHD | |||||
言語 | ||||||
言語 | eng | |||||
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 |
Kobayashi, Taisuke
× Kobayashi, Taisuke× KOBAYASHI, Masahiro× IWAMA, Naofumi× Kuzmin, Arseniy× GOTO, Motoshi× KAWAMURA, Gakushi |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-7368-8614 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A new tomographic scheme is proposed for reconstructing three dimensional (3D) impurity emission distributions from two dimensional (2D) measurements with a single field-of-view in the magnetized edge plasma in a Large Helical Device (LHD). The 2D image is obtained with a multi-channel fiber array spectrometer, which views the entire region of the edge stochastic magnetic layer of LHD, including divertor plates, divertor legs, the stochastic layer, and the last closed flux surface. The scheme introduces new regularization terms in the Lagrangian function, based on the transport feature in magnetized plasma that the transport parallel to the magnetic field lines is much faster than the transport across the magnetic field, thus assuming smooth distribution in the parallel direction. The scheme is benchmarked with the test data of 3D distribution in the measurement volume, where the effectiveness of the various regularization terms is surveyed and feasibility of the scheme is confirmed. The new scheme is applied to the experimental data in LHD for carbon impurity emissions of C1+ and C3+, where the obtained distributions are discussed taking into account the plasma wall interaction and charge dependence of ionization potentials. | |||||
書誌情報 |
Review of Scientific Instruments 巻 89, 号 12, p. 123502, 発行日 2018-12-10 |
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出版者 | ||||||
出版者 | AIP | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00346748 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00817730 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.5048218 | |||||
権利 | ||||||
権利情報 | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Review of Scientific Instruments 89, 123502 (2018) and may be found at https://aip.scitation.org/doi/abs/10.1063/1.5048218. | |||||
情報源 | ||||||
関連名称 | Review of Scientific Instruments 89, 123502 (2018) | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.5048218 | |||||
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 | ||||||
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