High Power Laser and Particle Beams, Volume. 34, Issue 8, 084005(2022)
Preliminary study on in-situ activation of NEG coated vacuum chamber
Figures & Tables(8)
Fig. 2. Maximum temperature of quadrupole magnet changes with different decentered parameter
Fig. 4. Diagram of temperature change during heating of NEG activation experiment system
Table 1. Thermal conductivity of materials
View tableView in ArticleTable 1. Thermal conductivity of materials
material thermal conductivity/(W·m−1·℃−1) air 5×10−3 magnet 20 OFS 391 PI 0.31
Table 2. Heating power of OFS tube
View tableView in ArticleTable 2. Heating power of OFS tube
OFS temperature/℃ magnet temperature/℃ power/W power density/(W·cm−1) 132.4 35.0 120.7 1.4 167.1 39.4 166.6 1.9 180.0 38.9 193.8 2.2 207.5 40.7 226.5 2.6
Table 3. Temperature of quadrupole magnet and OFS tube
View tableView in ArticleTable 3. Temperature of quadrupole magnet and OFS tube
No. room temperature/℃ measure temperature/℃ FEA temperature/℃ 1 24.8 38.7 37.6 2 24.8 41.3 40.5 3 24.8 36.2 35.0
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Wenjing Ma, Zhuang Zhao, Shancai Zhang, Sihui Wang, Yuanzhi Hong, Le Fan, Chenghong Wang, Wei Wei. Preliminary study on in-situ activation of NEG coated vacuum chamber[J]. High Power Laser and Particle Beams, 2022, 34(8): 084005
Paper Information
Category: Particle Beams and Accelerator Technology
Received: Jan. 19, 2022
Accepted: --
Published Online: Aug. 8, 2022
The Author Email: Sihui Wang (sihui@ustc.edu.cn), Wei Wei (weiwei@mail.iasf.ac.cn)
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