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説明:

We have designed and fabricated a superconducting magnet using (Bi,Pb)2Sr2Ba2Cu3O10 (Bi-2223) tape conductors. This magnet is a model magnet for a magnetic refrigeration system for hydrogen liquefaction. The magnet consists of a main coil and two shield coils. The shield coils generate opposite direction magnetic fields to reduce the magnetic fields to zero at both ends. The Bi-2223 magnet successfully generated a rated field of 4.8 T at the center at 20 K operation. The performance of the magnet at higher operating temperatures were investigated. The temperature dependence of the magnet performance was well predicted from the temperature and magnetic field dependence of the critical current of the Bi-2223 tape used at the position of the maximum radial magnetic field in the magnet.

権利情報:

• In Copyright
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キーワード: Bi-2223, Magnetic Refrigeration, Superconducting magnet

刊行年月日: 2024-01-24

出版者: Institute of Electrical and Electronics Engineers (IEEE)

掲載誌:

• IEEE Transactions on Applied Superconductivity (ISSN: 10518223) p. 1-5 4602905

研究助成金:

• JST JPMJMI18A3

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4452

公開URL: https://doi.org/10.1109/tasc.2024.3358254

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更新時刻: 2026-01-24 12:30:29 +0900

MDRでの公開時刻: 2026-01-24 10:53:33 +0900