High Power Laser and Particle Beams, Volume. 37, Issue 4, 044010(2025)

Performance evaluation and disinfection effect of high-power electron accelerators

Yanqin Liu1,5, Bangdou Huang2、*, Sishuo Sha3, Huaili Qin1, Biying Song3,6, Jia Zhou3,6, Zhe Ren3、*, and Tao Shao2,4
Author Affiliations
  • 1Nuctech Technology Co., Ltd., Beijing 100085, China
  • 2Beijing International S & T Cooperation Base for Plasma Science and Energy Conversion, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
  • 3PLA Center for Disease Control and Prevention, Beijing 100071, China
  • 4University of Chinese Academy of Sciences, Beijing 100049, China
  • 5Tongwei Xinda Technology (Beijing) Co., Ltd., Beijing 100085, China
  • 6China Medical University, Shenyang 110122, China
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    Figures & Tables(12)
    Schematic diagram of energy test using polystyrene wedge
    Process diagram of beam current test (water tank method)
    Schematic diagram of alternating stacking of simulation materials and dosimeters
    Diagram of electron accelerator disinfection experiment
    Dose distribution along the scanning direction x
    Comparison of mass thickness dose distribution results of different simulated materials with theoretical simulation outcomes
    Dose distribution with thickness in different simulated materials
    Relationship between the disinfection dose of electron beam on microorganisms
    • Table 1. Measurement results of electron beam energy

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      Table 1. Measurement results of electron beam energy

      E1/MeVE2/MeVE3/MeVE4/MeVE5/MeVEav/MeVΔE/ Eav
      10.0610.2210.3410.4410.3010.271%
    • Table 2. Measurement results of average electron beam intensity

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      Table 2. Measurement results of average electron beam intensity

      Ie1/mAIe2/mAIe3/mAIe4/mAIe5/mAIeav/mAΔIe/Ieav
      2.492.452.442.422.422.441.2%
    • Table 3. Measurement results of electron beam scanning uniformity

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      Table 3. Measurement results of electron beam scanning uniformity

      Ux1Ux2Ux3Ux4Ux5Uxav
      4.1%4.2%4.2%3.8%4.2%4.1%
    • Table 4. Disinfection effect of electron beam on microorganisms in materials with certain thickness

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      Table 4. Disinfection effect of electron beam on microorganisms in materials with certain thickness

      material (thickness)average killing logarithm value
      Bacillus subtilis var.nigerBacillus pumilusStaphylococcus aureusEscherichia coli
      corrugated board (10.6 cm)4.154.644.514.57
      PVC expansion sheet (10 cm)3.043.686.304.57
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    Yanqin Liu, Bangdou Huang, Sishuo Sha, Huaili Qin, Biying Song, Jia Zhou, Zhe Ren, Tao Shao. Performance evaluation and disinfection effect of high-power electron accelerators[J]. High Power Laser and Particle Beams, 2025, 37(4): 044010

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    Paper Information

    Category:

    Received: Nov. 11, 2024

    Accepted: Feb. 14, 2025

    Published Online: May. 15, 2025

    The Author Email: Bangdou Huang (huangbangdou@mail.iee.ac.cn), Zhe Ren (13810710625@163.com)

    DOI:10.11884/HPLPB202537.240388

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