摘要
提出了一个冷孔直径150 mm、中心磁场为15 T的NbTi/Nb_(3)Sn超导磁体电磁结构。分析了超导磁体各线圈中磁场的分布规律,结合超导材料临界性能,得到了超导磁体的运行电磁裕度。针对线圈结构组份材料的机械性能,采用平均有限元法仿真了超导磁体的应力/应变,最大环向应力和应变分别为112 MPa和0.297%。该结果表明了超导Nb_(3)Sn线圈中的应力/应变处于合理水平。
A 15 T NbTi/Nb_(3)Sn superconducting magnet with a 150 mm cold bore was proposed based on the critical performances of superconducting materials. Magnetic field mapping was carried out in the magnet windings to estimate magnet operation margins. Finally, electromagnetic stress and strains in the Nb_(3)Sn and NbTi coils were simulated with finite element method. The results show that the maximum hoop stress and strains are 112 MPa and 0.297% respectively in the Nb_(3)Sn coils, which are in a reasonable level.
作者
吴墨
戴银明
Wu Mo;Dai Yinming(Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China;University of the Chinese Academy of Science,Beijing 100049,China)
出处
《低温与超导》
CAS
北大核心
2021年第8期17-20,65,共5页
Cryogenics and Superconductivity
基金
国家重点研发计划(2018YFF0109401)资助。
