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运用有限元方法计算了ITER装置运行不同时刻极向场PF6超导磁体的电磁载荷,并确定磁感应强度最大的时刻,对该时刻进行相应的电磁分析;根据计算所得的电磁结果来计算装置在不同载荷工况下极向场PF6超导磁体关键部件TAIL的结构应力分布及变形情况,对关键部件绝缘子进行低温力学拉伸试验,对相应的结构分析结果进行力学校核并与实验测试结果进行对比分析.分析结果表明,现有TAIL的结构设计具有足够的强度来承受运行过程中的各种载荷工况,从而证明了结构设计的合理性.
The finite element method was used to calculate the electromagnetic load of the PF6 superconducting magnet at different time and to determine the moment with the maximum magnetic induction intensity. The corresponding electromagnetic analysis was carried out at that moment. The calculated electromagnetic device Under the condition of load, the stress distribution and deformation of TAIL, a key component of PF6 superconducting magnet, are studied. The mechanical tensile tests of insulator of key components are carried out at low temperature. The corresponding structure analysis results are checked by mechanics and compared with experimental test results The analysis results show that the structural design of the existing TAIL has enough strength to withstand the various load conditions during operation, thus proving the rationality of the structural design.