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Theoretical and Experimental Analysis of Nb3Sn Strand Buckling in Large Scale CIC Conductor
http://hdl.handle.net/10655/00013397
http://hdl.handle.net/10655/000133974e42095e-908f-4d03-8fa8-9170147da439
名前 / ファイル | ライセンス | アクション |
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9024_PFR (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-07-14 | |||||
タイトル | ||||||
タイトル | Theoretical and Experimental Analysis of Nb3Sn Strand Buckling in Large Scale CIC Conductor | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cable-in-conduit conductor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nb3Sn strand | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | buckling | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | thermal contraction | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | static friction | |||||
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 |
KUDOH, Hidetoshi
× KUDOH, Hidetoshi× YAGAI, Tsuyoshi× HAMANO, Kei× YOSHIDA, Kazuki× HAMAGUCHI, Shinji× NATSUME, Kyohei× OBANA, Tetsuhiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The assessment of the performance of toroidal field (TF) coil of ITER has been progressing. Unpredictable strand buckling was observed by the destructive investigation of the conductor. The buckling direction was perpendicular to the Lorentz force (LF), and the mechanism of it was due to the thermal shrinkage caused by the difference of thermal contraction between strand material and conduit. Our previous work utilized a 2-dimensional string model and demonstrated that the observed 2 mm stand bending could have led to strand bending if the total amount of slide at the contact cross over was assumed to be 53 μm. To verify this estimation, we fabricated a device for the measurement of friction force between strands under constriction force comparable to the LF several hundred kN/m. Our results for Cr-coated 0.89 mm diameter strand surrounded by bare Cu strand indicate that thermal contraction stress applied to strand of 45 N would be sufficient to overcome the static friction force when the contraction force reduced to tenth of maximum LF. The mechanism of slide motion could be divided into two processes: separation of the inner wall of the conduit and the separation from other strands due to a gradual reduction of LF. | |||||
書誌情報 |
Plasma and Fusion Research 巻 9, 号 Special Issue 2, p. 3405063, 発行日 2014-06-10 |
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書誌的事項 | ||||||
the 23rd International Toki Conference on Large-scale Simulation and Fusion Science | ||||||
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.9.3405063 | |||||
権利 | ||||||
権利情報 | (c) 2014 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.9.3405063 | |||||
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 | ||||||
9024 |