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Fast Ion Confinement Study by Neutron Emission Rate Measurement after Short Pulse NB Injection in the Large Helical Device
http://hdl.handle.net/10655/00013300
http://hdl.handle.net/10655/00013300c91e2cd2-c20f-4dd3-9c72-f719302bb385
名前 / ファイル | ライセンス | アクション |
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11079_PFR (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-27 | |||||
タイトル | ||||||
タイトル | Fast Ion Confinement Study by Neutron Emission Rate Measurement after Short Pulse NB Injection in the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | fast ion confinement | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | NB-blip | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neutron intensity decay time | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neutron flux monitor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | slowing down model | |||||
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 |
NISHITANI, Takeo
× NISHITANI, Takeo× OGAWA, Kunihiro× PU, Neng× KAWASE, Hiroki× MURAKAMI, Sadayoshi× ISOBE, Mitsutaka× OSAKABE, Masaki× the LHD Experimental Group |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-2254-3164 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The confinement of neutral beam (NB)-injected fast ions has been investigated by the neutron intensity decay time (τn) after the short pulse NB injection called “NB-blip.” The Large Helical Device (LHD) has five NB injectors. NBI#1, #2, and #3 are tangential direction injectors with typical energy of 180 keV. NBI#4 and #5 are perpendicular direction injectors with typical energies of 60 keV and of 80 keV, respectively. In this experiment, NBI#1, #2, #3, and #4 each with the pulse width of 40 ms are injected into different configuration plasmas with various electron densities. The τn is analyzed with a 0-dimensional fast ion slowing down model. The loss of the fast ion increases significantly with decrease in the electron density. From the comparison of calculated and measured τn for different plasma configurations, the fast ion confinement is worst on the outward shifted plasma of Rax = 3.90 m. On the other hand, it seems that the fast ion confinement is best on the plasma of Rax = 3.74 m. | |||||
書誌情報 |
Plasma and Fusion Research 巻 13, 号 Special Issue 2, p. 3402024, 発行日 2018-04-10 |
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書誌的事項 | ||||||
the 26th International Toki Conference (ITC-26) —New Era in Plasma and Fusion Research— & the 11th Asia Plasma and Fusion Association Conference (APFA-11) | ||||||
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.13.3402024 | |||||
権利 | ||||||
権利情報 | (c) 2018 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.13.3402024 | |||||
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 | ||||||
11079 |