High Power Laser and Particle Beams, Volume. 36, Issue 1, 014001(2024)
Design, simulation and optimization of magnet supports in 4th generation synchrotron light sources
Figures & Tables(17)
Fig. 3. Initial static deformation and the first-order frequency of the girder
Fig. 4. The deformation trend and the first-order frequency change trend of the girder
Fig. 5. Static deformation and the first-order frequency of the girder
Fig. 6. The trend of deformation and first-order frequency of the girder with different
Table 1. The type of girder and collimation requirements
View tableView in ArticleTable 1. The type of girder and collimation requirements
ring lattice girder adjustment the first-order frequency/Hz alignment accuracy between magnets/μm alignment accuracy between girder/μm ESRF-EBS 7BA common girder wedge 49(actual measurement) 50 50 APS-U 7BA common girder wedge 36.3(actual measurement) 30 100 Sirius 5BA common girder wedge 168(actual measurement) 40 80 Diamond 6BA common girder cam 16.3(actual measurement) 50 100 SLS-II 7BA common girder cam — 50 100 MAXIV 7BA common girder screw 39(actual measurement) 30 100 HEPS 7BA common girder wedge 54(design parameter) 30 50
Table 2. Main parameters of the SILF storage ring
View tableView in ArticleTable 2. Main parameters of the SILF storage ring
beam energy/GeV circumstance/m number of cells natural emittance/(pm·rad) transverse tunes momentum compaction factor damping time/ms 3.0 696 28 89 68.26/24.22 6.6×10−5 34.97/43/74/25.01
Table 3. Combination of girder height and cross-section angle
View tableView in ArticleTable 3. Combination of girder height and cross-section angle
case H/mm α/（°） case H/mm α/（°） case H/mm α/（°） case H/mm α/（°） 1 300 65 12 500 70 23 350 80 34 550 85 2 350 65 13 550 70 24 400 80 35 600 85 3 400 65 14 600 70 25 450 80 36 300 90 4 450 65 15 300 75 26 500 80 37 350 90 5 500 65 16 350 75 27 550 80 38 400 90 6 550 65 17 400 75 28 600 80 39 450 90 7 600 65 18 450 75 29 300 85 40 500 90 8 300 70 19 500 75 30 350 85 41 550 90 9 350 70 20 550 75 31 400 85 42 600 90 10 400 70 21 600 75 32 450 85 11 450 70 22 300 80 33 500 85
Table 4. Static deformation and the first-order frequency of the girder
View tableView in ArticleTable 4. Static deformation and the first-order frequency of the girder
case the first-order frequency/Hz total deformation/mm case the first-order frequency/Hz total deformation/mm 1 311.3 0.01443 22 315.3 0.01358 2 309.3 0.01465 23 250.1 0.01377 3 288.1 0.01485 24 198.9 0.01397 4 260.1 0.01504 25 163.6 0.01417 5 241.9 0.01521 26 138.2 0.01436 6 230.0 0.01537 27 118.9 0.01453 7 222.8 0.01551 28 104.1 0.01470 8 313.9 0.01415 29 311.6 0.01328 9 298.1 0.01436 30 231.9 0.01347 10 250.4 0.01456 31 181.1 0.01367 11 217.3 0.01476 32 146.2 0.01386 12 193.9 0.01494 33 121.3 0.01405 13 177.4 0.0151 34 102.6 0.01422 14 165.6 0.01526 35 88.2 0.01439 15 315.4 0.01387 36 296.2 0.01297 16 272.3 0.01407 37 216.5 0.01316 17 221.2 0.01427 38 166.5 0.01335 18 186.2 0.01447 39 132.5 0.01354 19 161.0 0.01465 40 108.3 0.01372 20 142.3 0.01483 41 90.5 0.01389 21 127.8 0.01499 42 76.8 0.01406
Table 5. Deformation and the first-order frequency of the girder with different
D valuesView tableView in ArticleTable 5. Deformation and the first-order frequency of the girder with different
D valuescase D/mm deformation/mm the first-order frequency/Hz 1 1080 0.010332647 71.37528032 2 1100 0.009657498 71.54180391 3 1120 0.009025472 71.69795512 4 1140 0.008412724 71.84591134 5 1160 0.007834575 71.98321915 6 1180 0.007714708 72.11422153 7 1200 0.007899744 72.24277478 8 1220 0.008091512 72.36269286 9 1240 0.008284279 72.47581847 10 1260 0.008479983 72.58074762 11 1280 0.00867867 72.67432685 12 1300 0.008881759 72.75808202 13 1320 0.009089703 72.82974036 14 1340 0.009303582 72.88817963 15 1360 0.009517383 72.93432918 16 1380 0.009765245 72.96061067 17 1400 0.010172279 72.93668228
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Qingqing Huang, Zhen Yang, Tao Luo, Zhijun Qi, Xuece Miao. Design, simulation and optimization of magnet supports in 4th generation synchrotron light sources[J]. High Power Laser and Particle Beams, 2024, 36(1): 014001
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Received: Aug. 15, 2023
Accepted: Dec. 12, 2023
Published Online: Mar. 21, 2024
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