WEKO3
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Excitation of helically-trapped-energetic-ion driven resistive interchange modes with intense deuterium beam injection and enhanced effect on beam ions/bulk plasmas of LHD
http://hdl.handle.net/10655/00012909
http://hdl.handle.net/10655/00012909cbaaec60-e34d-4f67-91f2-b7e0ab1b4d4f
名前 / ファイル | ライセンス | アクション |
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Nucl.Fusion58_pp082025 (5.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-01-20 | |||||
タイトル | ||||||
タイトル | Excitation of helically-trapped-energetic-ion driven resistive interchange modes with intense deuterium beam injection and enhanced effect on beam ions/bulk plasmas of LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | heliotron | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | trapped energetic particles | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | resistive interchange mode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | EP-driven instability | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neutron | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | radial electric field | |||||
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 |
Bando, Takahiro
× Bando, Takahiro× OHDACHI, Satoshi× ISOBE, Mitsutaka× SUZUKI, Yasuhiro× TOI, Kazuo× NAGAOKA, Kenichi× TAKAHASHI, Hiromi× SEKI, Ryosuke× Du, X.D.× OGAWA, Kunihoro× IDO, Takeshi× SHIMIZU, Akihiro× OZAKI, Tetsuo× LHD, Experiment Group |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Energetic ion driven resistive InterChange modes (EICs) accompanying repeated bursts of the magnetic fluctuations were found in hydrogen campaign of large helical device. The pressure gradient of helically trapped energetic particles, which are mainly produced by perpendicularly injected beams, drives this mode. Recently, perpendicular neutral beam injection (PERP-NBI) systems are upgraded for deuterium plasma campaign. The beam energies of the two PERP-NBIs are increased from 40/40 keV to 60/80 keV, respectively. And the injection powers increase from 6/6 MW to 9/9 MW, as well. As results of these upgrades of NBIs, the β value of helically trapped energetic ions, , has increased up to ∼0.35% and induced EICs with larger bursts and smaller repetition frequencies. It is found that the threshold of to excite EICs increases with deuterium PERP-NBIs. The amplitude of each burst and effect on energetic beam ions become larger when is larger. In addition, a large electrostatic potential about −25 kV is observed when EICs are excited, which is about two times larger than the potential observed in hydrogen campaign. The transient increases of the electron density and temperature in edge regions are clearly observed when the electrostatic potential is formed. | |||||
書誌情報 |
Nuclear Fusion 巻 58, 号 8, p. 082025, 発行日 2018-06-29 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
出版者 | ||||||
出版者 | International Atomic Energy Agency | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00295515 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00759871 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1741-4326/aac699 | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Nuclear 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 https://doi.org/10.1088/1741-4326/aac699. | |||||
情報源 | ||||||
関連名称 | T. Bando et al 2018 Nucl. Fusion 58 082025 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/aac699 | |||||
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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