High Power Laser and Particle Beams, Volume. 36, Issue 1, 013013(2024)
Development of conduction-cold high temperature superconductingmagnet for high power microwave devices
Figures & Tables(14)
Fig. 2. Magnetic field distribution of the 4 T superconducting magnet
Fig. 7. Cooling curves of the various parts of the magnet structure
Fig. 8. Voltage of the coil pancakes during the excitation process
Fig. 9. Voltage of the coil pancakes during the excitation stabilized process at operating temperature 48.9 K
Fig. 10. Field strength and current changes during excitation and demagnetization
Table 1. The
I c-B -θ -T characteristics curve of REBCO strip at 40 K and 50 K in vertical fieldsView tableView in ArticleTable 1. The
I c-B -θ -T characteristics curve of REBCO strip at 40 K and 50 K in vertical fieldstemperature/K Ic/A 0 0.5 T 1.0 T 1.5 T 2.0 T 2.5 T 3.0 T 3.5 T 4.0 T 4.5 T 5.0 T 5.5 T 6.0 T 6.5 T 7.0 T 40 399.0 241.8 190.2 170.1 153.6 140.4 129.3 122.1 112.5 105.9 99.0 93.0 87.6 83.4 78.6 50 296.7 168.6 135.9 120.0 106.2 96.0 88.8 81.9 75.6 69.6 64.5 60.0 56.1 51.6 48.6
Table 2. Thermal load of the cryostat
View tableView in ArticleTable 2. Thermal load of the cryostat
temperature/K heat leakage of supports/W heat leakage of current leads/W radiation/W radial resistance/W joint resistance/W sum/W 40 2.0 0.3 0.1 0.0251 0.0348 2.46 77 5.2 8.0 15.0 \ \ 28.00
Table 3. Material property of each component of magnet
View tableView in ArticleTable 3. Material property of each component of magnet
No. material temperature/K density/(g/cm3) Young’s modulus@300 K/GPa Poisson’s ratio coefficient of linear expansion/(10−5 K−1) 1 PAI 40～300 1.6 6.4 0.43 1.0 2 AISI 304 40/300 7.9 200.0 0.30 1.3 3 1100 AL 80 2.7 70.0 0.30 1.5 4 T2 Cu 40 8.9 70.0 0.30 1.0
Table 4. Influence of random vibration of highway spectrum in three directions on the axis of magnet
View tableView in ArticleTable 4. Influence of random vibration of highway spectrum in three directions on the axis of magnet
axiality Ux/mm Uy/mm Uz/mm Usum/mm y random vibration p-axis deviation 4.64E-04 2.09E-02 2.08E-04 2.08E-02 s-axis deviation 1.29E-03 2.02E-02 2.02E-04 2.03E-02 z random vibration p-axis deviation 4.80E-05 −1.52E-04 2.53E-02 2.53E-02 s-axis deviation 3.44E-04 1.80E-03 2.51E-02 2.52E-02 x random vibration p-axis deviation 6.32E-03 2.34E-04 1.03E-05 6.32E-03 s-axis deviation 6.39E-03 2.73E-04 9.90E-06 6.40E-03
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Ce Xu, Hui Liu, Jianhua Liu, Yinming Dai, Shunzhong Chen, Junsheng Cheng, Qiuliang Wang, Shaofei Huo, Yanchao Shi, Huijie Huang. Development of conduction-cold high temperature superconductingmagnet for high power microwave devices[J]. High Power Laser and Particle Beams, 2024, 36(1): 013013
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Received: Jun. 15, 2023
Accepted: Dec. 24, 2023
Published Online: Mar. 21, 2024
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