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Study of quench propagation properties in Rutherford-type cables
http://hdl.handle.net/2241/6318
http://hdl.handle.net/2241/6318e652c8d5-edde-4151-9907-65bf6c0c1b69
Item type | Thesis or Dissertation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2007-07-25 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Study of quench propagation properties in Rutherford-type cables | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_db06 | |||||
タイプ | doctoral thesis | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
佐々木, 憲一
× 佐々木, 憲一 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Quench propagration velocity is one of the most important parameters for quench protection of superconducting magnets. A larger quench propagation velocity is preferable in order to prevent local temperature from being increased significantly. In a multi-strand cable whose strands are individually insulated, it has been reported that the quench propagation velocity increases by a current redistribution between strands. However, influences of current redistribution on a quench velocity for a cable made of non-insulated strands have not been studied. We examined the relations between the current redistribution and the quench propagation velocity in a Rutherford cable made of non-insulated strands. Measurements were performed in the cables with three contact conditions between strands, and it was found that the quench propagatin velocity and the current redistributions depended on the contact conditions between strands. A measurement was also performed in the cable without polyimide tape for the cable insulation, and we found that the polyimide tape also influenced on the quench propagation velocity. A numerical simulation of current redistribution using a simple model was performed. We made comparisons between the test and the numerical results, and there was good agreement each other. We analyzed the numerical results in detail, and we found that the current redistribution occurred around the quench front caused the incerase of the quench propagation velocity. | |||||
言語 | en | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Includes bibliographical references (p. 97-101) | |||||
言語 | en | |||||
書誌情報 |
発行日 2000 |
|||||
取得学位 | ||||||
学位名 | 博士(工学) | |||||
取得学位 | ||||||
学位名 | Doctor of Philosophy in Engineering | |||||
学位授与大学 | ||||||
学位授与機関識別子Scheme | kakenhi | |||||
学位授与機関識別子 | 12102 | |||||
言語 | ja | |||||
学位授与機関名 | 筑波大学 | |||||
言語 | en | |||||
学位授与機関名 | University of Tsukuba | |||||
学位授与年度 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 1999 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2000-03-24 | |||||
報告番号 | ||||||
学位授与番号 | 甲第2330号 |