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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Amemiya, N. Enomoto, N. Shirai, S. |
| Copyright Year | 2002 |
| Abstract | A new FEM code for electromagnetic field analysis of twisted multifilamentary superconductors was developed based on triangular element system and tensor equivalent conductivity. Finite element models of twisted Bi-2223 tapes exposed to an AC transverse magnetic field with various orientations were made, and the current distribution in these tapes was calculated. The calculated current distribution in a twisted tape carrying AC transport current in a parallel or nearly parallel AC transverse magnetic field shows that filaments are decoupled effectively to reduce the total AC loss, even if the transverse resistivity equals the resistivity of pure silver. However, in the perpendicular transverse magnetic field, only a little reduction of the total AC loss can be attained by twisting even if the transverse resistivity is increased to 100 times larger than the resistivity of pure silver. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 782 |
| Ending Page | 785 |
| Page Count | 4 |
| File Size | 323736 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 14 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2004-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetic analysis Magnetic fields Conductivity Current distribution Silver Electromagnetic fields Electromagnetic analysis Multifilamentary superconductors Tensile stress Finite element methods |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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