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Difference of co-extracted electron current and beam acceleration in a negative ion source with hydrogen-isotope ions
http://hdl.handle.net/10655/00013152
http://hdl.handle.net/10655/00013152fef2faa3-fdd7-4b5f-a7fc-d388225e394c
名前 / ファイル | ライセンス | アクション |
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Ikeda_2022_J._Phys. _Conf._Ser._2244_012060 (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 | 2022-05-18 | |||||
タイトル | ||||||
タイトル | Difference of co-extracted electron current and beam acceleration in a negative ion source with hydrogen-isotope ions | |||||
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 |
IKEDA, Katsunori
× IKEDA, Katsunori× TERAZAKI, Yoshiro× NAKANO, Haruhisa× YANAGI, Nagato× TAKEIRI, Yasuhiko× MASAKI, Shingo× RATTANAWONGNARA, Engrhyt× OSAKABE, Masaki |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-9781-231X | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Improvement of the performance on a hydrogen/deuterium negative ion source for a nuclear fusion device is reported. In particular, the suppression of the co-extracted electron current, Ie, is an important issue to ensure the stable beam acceleration. Improvement of the Ie has been confirmed by optimizing the magnetic field of the electron deflection magnet in the extraction grid. Two other new methods for reduction of the Ie were validated. The first was an electron fence whose rods were set between the rows of apertures on a plasma grid. The electron and negative ion current ratio, approximately Ie/Iacc, was greatly improved from 0.7 to 0.25 in deuterium. The second was an outer iron yoke which enhanced the magnetic flux density 19% inside the arc discharge chamber. The Ie/Iacc using the outer yoke decreased by 0.1 compared with using a normal magnetic filter in a deuterium operation. These attempts have improved the total deuterium injection beam power of 8.4 MW by three negative ion based NBIs. | |||||
書誌情報 |
Journal of Physics: Conference Series 巻 2244, p. 012060, 発行日 2022 |
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書誌的事項 | ||||||
19th International Conference on Ion Sources – ICIS2021 20/09/2021 - 24/09/2021 Online | ||||||
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 | 1742-6588 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12839617 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1742-6596/2244/1/012060 | |||||
権利 | ||||||
権利情報 | Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. | |||||
情報源 | ||||||
関連名称 | K. Ikeda et al 2022 J. Phys.: Conf. Ser. 2244 012060 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1742-6596/2244/1/012060 | |||||
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 | ||||||
13001 |