High Power Laser and Particle Beams, Volume. 37, Issue 5, 054001(2025)
Design of injector dump beam window for the electron beam test platform of S3FEL
Figures & Tables(8)
Fig. 2. Temperature and stress of beam window with different cooling channels
Fig. 3. Temperature, stress and deformation distribution of beam window with M-type cooling channel
Fig. 4. Temperature, stress and deformation distribution of beam window with M-type cooling channel and cooling water flow rate 1 m/s
Table 1. Physical parameters of materials
View tableView in ArticleTable 1. Physical parameters of materials
material density/ (kg·m−3) elastic modulus/ GPa Poisson’s ratio yield stress/ MPa thermal conductivity/ (W·m−1·K−1) thermal expansion coefficient/℃−1 316L 7980 193.0 0.300 290 15 12.0×10−6 A5083 2660 71.0 0.330 145 117 23.0×10−6 Ti-6Al-4V 4430 113.8 0.360 880 6.7 8.6×10−6 Be 1844 303.0 0.100 240 216 12.0×10−6 OFHC 8940 115.0 0.343 340 391 17.7×10−6
Table 2. Material physical parameters of beam window
View tableView in ArticleTable 2. Material physical parameters of beam window
material density/ (kg·m−3) melting point/℃ elastic modulus/ GPa Poisson’s ratio yield stress/ MPa thermal conductivity/ (W·m−1·K−1) thermal expansion coefficient/℃−1 316L 7980 1375 193 0.300 290 15 12.0×10−6 OFHC 8940 1083 115 0.343 340 391 17.7×10−6
Table 3. Material outgassing rates
View tableView in ArticleTable 3. Material outgassing rates
material conditions outgassing rate[ 19 ] /(Pa·L·s−1·cm−2)calculation outgassing rate/(Pa·L·s−1·cm−2) 316L 20 h at 100 ℃ 10−11 1×10−9 copper 20 h at 100 ℃ 10−10 1×10−8 copper (with Gaussian heat source ) 20 h at 100 ℃ 10−10 5×10−8
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Hao Zhang, Feng Zhao, Hanwen Lin, Lei Li, Liming Huang, Wei Wei. Design of injector dump beam window for the electron beam test platform of S3FEL[J]. High Power Laser and Particle Beams, 2025, 37(5): 054001
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Received: Oct. 18, 2024
Accepted: Jan. 13, 2025
Published Online: May. 22, 2025
The Author Email: Wei Wei (weiwei@mail.iasf.ac.cn)
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