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Orbit Topology and Confinement of Energetic Ions in the CHS-qa Quasi-Axisymmetric Stellarator
http://hdl.handle.net/10655/2264
http://hdl.handle.net/10655/2264e2954870-8712-460a-8cc2-2127d88140d0
名前 / ファイル | ライセンス | アクション |
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1627.pdf (657.7 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2010-01-21 | |||||
タイトル | ||||||
タイトル | Orbit Topology and Confinement of Energetic Ions in the CHS-qa Quasi-Axisymmetric Stellarator | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Orbit Topology and Confinement of Energetic Ions in the CHS-qa Quasi-Axisymmetric Stellarator | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | quasi-axisymmetric stellarator | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | non-axisymmetric magnetic field ripple | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neutral beam | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | energetic ion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | orbit | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | heating efficiency | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | quasi-axisymmetric stellarator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | non-axisymmetric magnetic field ripple | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | neutral beam | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | energetic ion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | orbit | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | heating efficiency | |||||
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 |
ISOBE, Mitsutaka
× ISOBE, Mitsutaka× NAKAJIMA, Noriyoshi× SHIMIZU, Akihiro× SUZUKI, Chihiro× AKIYAMA, Tsuyoshi× NISHIMURA, Shin× OKAMURA, Shoichi× MATSUOKA, Keisuke× SPONG, Donald A.× ISOBE, Mitsutaka× NAKAJIMA, Noriyoshi× SHIMIZU, Akihiro× SUZUKI, Chihiro× AKIYAMA, Tsuyoshi× NISHIMURA, Shin× OKAMURA, Shoichi× MATSUOKA, Keisuke× SPONG, Donald A. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The orbit topology and confinement of neutral beam-injected energetic ions are investigated for the current target configuration of the CHS-qa quasi-axisymmetric stellarator. It was shown that tangentially co-injected neutral beam (NB) heating is efficient even at a low magnetic field strength Bt of 0.5 T, whereas the heating efficiency of the counter-injected NB becomes significantly lower as Bt decreases because of the increase of first orbit loss. The energy loss rate increases as the beam injection angle becomes perpendicular, suggesting that the residual non-axisymmetric ripple in the peripheral domain plays a role in enhancing the transport of trapped ions. An interesting observation involves the appearance of the island structure in both the gyro motion following orbit and the guiding center collisionless orbit of counter-moving transit beam ions. It appears under a particular, narrow range of parameters, i.e., energy, pitch angle v///v, normalized minor radius r/a at the launching point and Bt. | |||||
書誌情報 |
Journal of Plasma and Fusion Research SERIES en : Journal of Plasma and Fusion Research SERIES 巻 Vol.6, p. pp.622-625, 発行日 2004-12-01 |
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出版者 | ||||||
出版者 | The Japan Society of PlasmaScience and Nuclear Fusion Research | |||||
権利 | ||||||
権利情報 | ? 2004 by The Japan Society of PlasmaScience and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jspf.or.jp/JPFRS/index_vol6-4.html | |||||
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 |