CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Study on the Mechanical Instability of MICE Coupling Magnets
Wang, L.; Pan, H.; Guo, X. L.; Wu, H.; Zheng, S. X.; Green, M. A.
2011
Source PublicationIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
ISSN1051-8223
Volume21Issue:3Pages:2363
AbstractThe superconducting coupling solenoid magnet is one of the key equipment in the Muon Ionization Cooling Experiment (MICE). The coil has an inner radius of 750 mm, length of 281 mm and thickness of 104 mm at room temperature. The peak induction in the coil is about 7.3 T with a full current of 210 A. The mechanical disturbances which might cause the instability of the impregnated superconducting magnet involve the frictional motion between conductors and the cracking of impregnated materials. In this paper, the mechanical instability of the superconducting coupling magnet was studied. This paper presents the numerical calculation results of the minimum quench energy (MQE) of the coupling magnet, as well as the dissipated strain energy in the stress concentration region when the epoxy cracks and the frictional energy caused by "stick-slip" of the conductor based on the bending theory of beam happens. Slip planes are used in the coupling coil and the frictional energy due to "slow slip" at the interface of the slip planes was also investigated. The dissipated energy was compared with MQE, and the results show that the cracking of epoxy resin in the region of shear stress concentration is the main factor for premature quench of the coil.
Indexed BySCI
Language英语
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12882
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Wang, L.,Pan, H.,Guo, X. L.,et al. Study on the Mechanical Instability of MICE Coupling Magnets[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2011,21(3):2363.
APA Wang, L.,Pan, H.,Guo, X. L.,Wu, H.,Zheng, S. X.,&Green, M. A..(2011).Study on the Mechanical Instability of MICE Coupling Magnets.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,21(3),2363.
MLA Wang, L.,et al."Study on the Mechanical Instability of MICE Coupling Magnets".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 21.3(2011):2363.
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