EFFECTS OF AN INSULATION LAYER ON THE PROPAGATION OF A NORMAL ZONE IN SUPERCONDUCTING WIRES BELOW 4. 2 K.

K. Funaki, Y. Takata, M. Takeo, F. Irie, U. Ruppert, W. Z. Yang, E. Kristen, K. Lueders, G. Klipping

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

The propagation velocity of a normal zone in NbTi multi-filamentary superconducting wires has been measured in the bath temperature range of 2. 05-4. 2 K. Bare and insulated wires were utilized for the experiment in order to examine the effect of an insulation layer. For the bare wire the propagation velocity decreases gradually with decreasing temperature, then drastic reduction was observed near the lambda point, and finally no propagation occurs in pressurized He II. For the insulated wire, on the other hand, the velocity is three times larger than that for the bare wire at 4. 2 K and the propagation was observed even in He II. Numerical analysis was performed for the insulated wire. The results agree quantitatively with the experiments.

本文言語英語
ホスト出版物のタイトルProceedings of the International Cryogenic Engineering Conference
編集者Gustav Klipping, Ingrid Klipping
出版社Engl
ページ730-734
ページ数5
ISBN(印刷版)0408012587
出版ステータス出版済み - 1986

出版物シリーズ

名前Proceedings of the International Cryogenic Engineering Conference
ISSN(印刷版)0308-5422

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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