High Power Laser and Particle Beams, Volume. 37, Issue 4, 044003(2025)

Design of insulation support system for 120 keV positive ion source accelerator

Wen Deng1,2, Yahong Xie1,2、*, Yuming Gu2, Yunfei Jiang2,4, Longbin Liu2,3, Fang Wang1,2, and Chundong Hu1,2
Author Affiliations
  • 1Scinece Island Branch, Graduate School, University of Science and Technology of China, Hefei 230026, China
  • 2Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
  • 3School of Nuclear Science and Engineering, East China University of Technology, Nanchang 330013, China
  • 4Institutes of Physical Science and Infomation Technology, Anhui University, Hefei 230601, China
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    Figures & Tables(14)
    Schematic diagram of 120 keV positive ion source accelerator
    The SG-EG insulator
    Distribution diagram of electric fields around PG-SG insulator
    Plot of surface maximum electric fields as a function of the height of the insulator
    Electric field distribution between PG-SG
    Chamfer design values for three grids
    Force diagram of the ion source in the neutral beam injection system
    Bolt spacing between EG support flange and insulator
    Finite element model
    Cloud chart of overall structure deformation
    Cloud chart of bolt stress
    • Table 1. Relationship between chamfers and electric fields at positions 1, 3 and 5

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      Table 1. Relationship between chamfers and electric fields at positions 1, 3 and 5

      chamfer/mmposition 1/(kV·mm−1)position 3/(kV·mm−1)chamfer/mmposition 5/(kV·mm−1)
      0.416.914.5216.0
      0.615.513.3314.0
      0.714.312.7412.8
      0.816.412.4512.0
    • Table 2. Material properties

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      Table 2. Material properties

      materialdensity/(kg·m−3)tensile strength/MPashear strength/MPa
      304 stainless steel7930520460
      PEEK13209853
    • Table 3. Summary of axial and shear forces on bolts

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      Table 3. Summary of axial and shear forces on bolts

      bolt numberaxial force/Nshear force/Nbolt numberaxial force/Nshear force/N
      1−11.21499.96319130.86097.976
      2−8.46698.36520128.76095.891
      3−6.44496.68221126.07094.146
      4−6.56096.65622126.28094.158
      5−8.45398.32423128.98095.915
      6−11.17399.94824130.93097.998
      7−7.288101.4725106.110100.29
      8−4.003101.622674.424100.65
      9−1.080101.692748.888100.91
      100.690101.692830.771101.17
      113.316101.692918.179101.39
      126.334101.493010.716101.42
      1310.686101.40316.257101.49
      1418.150101.39323.363101.69
      1530.780101.16330.675101.69
      1648.889100.9234−1.105101.69
      1774.411100.6535−4.019101.62
      18105.870100.2536−7.346101.47
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    Wen Deng, Yahong Xie, Yuming Gu, Yunfei Jiang, Longbin Liu, Fang Wang, Chundong Hu. Design of insulation support system for 120 keV positive ion source accelerator[J]. High Power Laser and Particle Beams, 2025, 37(4): 044003

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    Paper Information

    Category:

    Received: Aug. 26, 2024

    Accepted: Jan. 26, 2025

    Published Online: May. 15, 2025

    The Author Email: Yahong Xie (xieyh@ipp.ac.cn)

    DOI:10.11884/HPLPB202537.240279

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