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| Comparative studies on dynamic behavior of superconducting levitation system with consideration of flux creep |
| Revised:September 16, 2005 |
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| DOI：10.7511/jslx20075115 |
| KeyWord:superconducting levitation,dynamic behavior,flux creep,flux flow and creep model,comparative studies |
| GOU Xiao-fan ZHENG Xiao-jing ZHOU You-he CHEN Guo-rong |
| 1.Department of Engineering Mechanics,Hohai University,Nanjing 210098,China;2.Department of Mechanics,Lanzhou University,Lanzhou 730000,China |
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| Abstract: |
| Based on macro-electromagnetic constitutive relation of superconductivity: flux flow model and flux flow and creep model,numerical simulation of vibration of magnet levitated above a superconductor in superconductor-magnet levitation systems has been carried out.By comparatively studying,the influences of flux creep in superconductor on dynamic behavior are exhibited,furthermore,the variation of these influences with the critical current density,the amplitude,and frequency of applied excitation have been investigated. |
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