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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Tsutsui, H. Nomura, S. Watanabe, N. Suzuki, C. Kajita, S. Ohata, Y. Tsuji-Iio, S. Shimada, R. |
| Copyright Year | 2002 |
| Abstract | Distributions of stress on a device with helical coils for the superconducting magnetic energy storage (SMES) are analyzed experimentally and numerically. In the previous work, we showed a theoretical limit of stored energy in a toroidal SMES system by the virial theorem. To verify the theoretical limit, we designed and construct a small device which is composed of two sets of helical superconducting coils and a toroidal frame of aluminum alloy. Strains by electromagnetic force on the frame were obtained experimentally. Distributions of stress on a toroidal shell with a similar configuration to the device are numerically calculated. Comparing the results of the experiments and the numerical calculations, a qualitative agreement of stress distribution between the calculation and the experiment is obtained in the toroidal direction, while discrepancies of stress in the poloidal direction are not negligible. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 1840 |
| Ending Page | 1843 |
| Page Count | 4 |
| File Size | 421021 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 13 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electromagnetic forces Superconducting coils Samarium Superconducting magnetic energy storage Toroidal magnetic fields Tensile stress Kinetic energy Magnetic materials Potential energy Magnetic analysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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