Improvement of dissipative property in HTS coil impregnated with solid nitrogen

T. Nakamura, K. Higashikawa, I. Muta, A. Fujio, K. Okude, T. Hoshino

研究成果: ジャーナルへの寄稿会議記事査読

20 被引用数 (Scopus)

抄録

Dissipative property of high-Tc superconducting (HTS) coil impregnated with solid nitrogen was investigated. Small HTS solenoid coil was fabricated with the use of Bi-2223/Ag multifilamentary tape. Nitrogen was solidified by conduction cooling with Gifford-Macmafon cryocooler at cooling rate of 1 mKs-1. Voltage as well as temperature of the coil was measured by applying the thermal disturbance and bias current. It was shown that the dissipation was reduced drastically by impregnating with solid nitrogen. Furthermore, the properties were also improved by pressurization in the sample chamber. This pressure effect may be due to the suppression of sublimation at the interface between the solid nitrogen and the coil.

本文言語英語
ページ(範囲)415-418
ページ数4
ジャーナルPhysica C: Superconductivity and its applications
386
DOI
出版ステータス出版済み - 4月 15 2003
外部発表はい
イベントICMC 2002 - Xi an, 中国
継続期間: 6月 16 20026月 20 2002

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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