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Improved beta (local beta >1) and density in electron cyclotron resonance heating on the RT-1 magnetosphere plasma
http://hdl.handle.net/10655/00012774
http://hdl.handle.net/10655/0001277479519c79-ee24-41aa-bb10-379c28822044
名前 / ファイル | ライセンス | アクション |
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Nucl.Fusion55_pp053019 (743.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-17 | |||||
タイトル | ||||||
タイトル | Improved beta (local beta >1) and density in electron cyclotron resonance heating on the RT-1 magnetosphere plasma | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | high beta | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetosphere plasmas | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | inward diffusion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dipole field | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | metric distortion | |||||
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 |
NISHIURA, Masaki
× NISHIURA, Masaki× Yoshida, Sensho× SAITOH, H.× YANO, Y.× Kawazura, Y.× Nogami, T.× Yamasaki, M.× Mushiake, T.× Kashyap, A. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This study reports the recent progress in improved plasma parameters of the RT-1 device. Increased input power and the optimized polarization of electron cyclotron resonance heating (ECRH) with an 8.2 GHz klystron produce a significant increase in electron beta, which is evaluated by an equilibrium analysis of the Grad–Shafranov equation. The peak value of the local electron beta βe is found to exceed 1. In the high-beta and high-density regime, the density limit is observed for H, D and He plasmas. The line-averaged density is close to the cutoff density for 8.2 GHz ECRH. When the filling gas pressure is increased, the density limit still exists even in the low-beta region. This result indicates that the density limit is caused by the cutoff density rather than the beta limit. From the analysis of interferometer data, we found that inward diffusion causes a peaked density profile beyond the cutoff density. | |||||
書誌情報 |
Nuclear Fusion 巻 55, 号 5, p. 053019, 発行日 2015-04-17 |
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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 | 10.1088/0029-5515/55/5/053019 | |||||
権利 | ||||||
権利情報 | M. Nishiura et al 2015 Nucl. Fusion 55 053019 | |||||
情報源 | ||||||
関連名称 | 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 doi.org/10.1088/0029-5515/55/5/053019. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/0029-5515/55/5/053019 | |||||
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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