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Vol.40.No.2(60) >

 
Title :Effect of the Aspect Ratio of a Superconducting Tape on the AC Loss in Perpendicular External Magnetic Field
Authors :Noda Monoru
Yamafuji Kaoru
Fijiyoshi Takanori
藤吉 孝則
Issue Date :29-Feb-2008
Type Local :紀要論文
ISSN :02876620
Publisher :福岡工業大学
Comment :Recently , intensive efforts to decrease the width of the high -T cuprate superconducting tape for the coated conductors have been made for decreasing the AC loss . It has been found experimentally that the AC loss of the former type of superconducting tape , with the width extremely larger than the thickness , can be described well by the theoretical expression for the superconducting thin strip with the infinite width proposed by Brandt and Indenbom . However , the AC loss in the recent types of tapes , with a much narrower width , is expected to show a noticeable deviation from their expression . In this paper , based on the critical state model , a theoretical expression for the dependence of the AC loss on the aspect ratio in the cross section of the superconducting tape is proposed . Effect of the magnetic -flux -density dependence of the critical current density on the AC loss is also discussed .
URI :http://hdl.handle.net/11478/949
citation :福岡工業大学研究論集
AN10036974
40
2
199
208
Citation :福岡工業大学研究論集 Vol.40 no.2 p.199 -208
Appears in Collections:Vol.40.No.2(60)

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