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Improved Three-Dimensional CCS Method Analysis for the Reconstruction of the Peripheral Magnetic Field Structure in a Finite Beta Helical Plasma
http://hdl.handle.net/10655/00013455
http://hdl.handle.net/10655/00013455239c653e-5c08-41e0-8b42-3bf588b396fd
名前 / ファイル | ライセンス | アクション |
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8054_PFR (3.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-08-09 | |||||
タイトル | ||||||
タイトル | Improved Three-Dimensional CCS Method Analysis for the Reconstruction of the Peripheral Magnetic Field Structure in a Finite Beta Helical Plasma | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetic sensor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | plasma boundary | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | last closed magnetic surface | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cauchy condition surface method | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | vacuum field | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | singular value decomposition | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | condition number | |||||
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 |
ITAGAKI, Masafumi
× ITAGAKI, Masafumi× ISHIMARU, Kenzo× MATSUMOTO, Yutaka× WATANABE, Kiyomasa× SEKI, Ryosuke× SUZUKI, Yasuhiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the previous 3D Cauchy-condition surface (CCS) method analysis to reconstruct the magnetic field profile in the Large Helical Device (LHD), one assumed an impractically large number of magnetic sensors, i.e., 440 field sensors and 126 flux loops. In the singular value decomposition (SVD) process employed in the CCS method, a gap is found in the magnitude of the singular values. The most accurate field results can be obtained if all the singular values smaller than the gap threshold are eliminated, independent of the number of boundary elements on the CCS and the number of sensors as well. With the reduction in the number of boundary elements, the required numbers of field sensors and flux loops are significantly reduced to 110 and 25, respectively, without losing the solution accuracy. They can be further reduced to 58 and 13 respectively if considering the symmetry of the field profile in the LHD. This result suggests the possibility of actual application to the LHD. | |||||
書誌情報 |
Plasma and Fusion Research 巻 8, p. 1402134, 発行日 2013-11-15 |
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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.8.1402134 | |||||
権利 | ||||||
権利情報 | (c) 2013 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.8.1402134 | |||||
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 | ||||||
8054 |