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dc.contributor.authorNagasaki, Yja
dc.contributor.authorNakamura, Tja
dc.contributor.authorFunaki, Ija
dc.contributor.authorAshida, Yja
dc.contributor.authorYamakawa, Hja
dc.contributor.alternative長崎, 陽ja
dc.date.accessioned2015-10-08T04:40:48Z-
dc.date.available2015-10-08T04:40:48Z-
dc.date.issued2014-10-01ja
dc.identifier.issn0953-2048ja
dc.identifier.urihttp://hdl.handle.net/2433/200212-
dc.description.abstractWe modelled the screening currents (Is) induced in high-temperature superconducting (HTS) coils to develop a method for the characterization and design of HTS magnets for space applications. The analysis made use of so-called percolation depinning and flux creep models to describe the current density versus the electric field in HTS tapes. We compared the model results with the experimental data obtained from a Bi-2223/Ag double pancake coil. The experimental residual magnetization due to the Is in the Bi-2223/Ag coil can be effectively modelled, assuming an equivalent loop length of approximately 9 mm for the Is in the coil. The values calculated from the method quantitatively agreed with the results for various experimental conditions. We also successfully modelled the hysteresis of the magnetization due to the Is. These results demonstrate the validity of our model for the Is, which considers the effects of flux creep and smaller Is loops in the multi-filamentary Bi-2223/Ag tape.ja
dc.format.mimetypeapplication/pdfja
dc.language.isoengja
dc.publisherIOP Publishingja
dc.rightsThis is an author-created, un-copyedited version of an article accepted for publication in 'Superconductor Science and Technology'. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/0953-2048/27/11/115005.ja
dc.rightsThis is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。ja
dc.titleExperimental and numerical investigation of screening currents induced in a Bi-2223/Ag double pancake coil for space applicationsja
dc.type.niitypeJournal Articleja
dc.identifier.ncidAA10686810ja
dc.identifier.jtitleSuperconductor Science and Technologyja
dc.identifier.volume27ja
dc.identifier.issue11ja
dc.relation.doi10.1088/0953-2048/27/11/115005ja
dc.textversionauthorja
dc.identifier.artnum115005ja
dc.startdate.bitstreamsavailable2015-10-01ja
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