Anisotropic distributions of current density and electric field in Bi-2223/Ag coil with consideration of multifilamentary structure

Kohei Higashikawa, T. Nakamura, T. Hoshino

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Bi-2223/Ag double pancake coil with a stack number of 6 is analysed with the use of quantitative J-E expressions that can describe the magnetic anisotropy as well as temperature dependence of J-E curves in the tape. The practical multifilamentary structure of the tape is directly considered for the precise analysis. It is shown that the magnetic anisotropy greatly and complicatedly influences the distribution of the current density inside the tape as well as that of the electric field in the coil. Furthermore, the current transport performance of the coil is also shown to be largely influenced by the magnetic field generated by the coil itself.

Original languageEnglish
Pages (from-to)129-140
Number of pages12
JournalPhysica C: Superconductivity and its applications
Volume419
Issue number3-4
DOIs
Publication statusPublished - Mar 1 2005
Externally publishedYes

Fingerprint

Tapes
Current density
coils
Magnetic anisotropy
Electric fields
current density
tapes
electric fields
anisotropy
Magnetic fields
temperature dependence
curves
magnetic fields
Temperature

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

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AU - Higashikawa, Kohei

AU - Nakamura, T.

AU - Hoshino, T.

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AB - Bi-2223/Ag double pancake coil with a stack number of 6 is analysed with the use of quantitative J-E expressions that can describe the magnetic anisotropy as well as temperature dependence of J-E curves in the tape. The practical multifilamentary structure of the tape is directly considered for the precise analysis. It is shown that the magnetic anisotropy greatly and complicatedly influences the distribution of the current density inside the tape as well as that of the electric field in the coil. Furthermore, the current transport performance of the coil is also shown to be largely influenced by the magnetic field generated by the coil itself.

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