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High Power Laser and Particle Beams, Volume. 36, Issue 4, 043027(2024)

Simulation of atmospheric γ ionizing radiation environment of near-ground nuclear explosion fallout under windless conditions

Siyu Guo, Yinhui Cheng, and Jun Guo*
Author Affiliations
  • State Key Laboratory of Electrical Insulation and Power Equipment, Xi 'an Jiaotong University, Xi’an 710049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
    Equations (18)
    References (19)
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    Figures & Tables(7)
    Schematic diagram of point source radiation model

    Fig. 1. Schematic diagram of point source radiation model

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    Schematic diagram of body source radiation model

    Fig. 2. Schematic diagram of body source radiation model

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    Radioactivity of 1000 kt Nevada near-ground nuclear explosion fallout

    Fig. 3. Radioactivity of 1000 kt Nevada near-ground nuclear explosion fallout

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    Radiative dose rate of 1000 kt Nevada near-ground nuclear explosion fallout

    Fig. 4. Radiative dose rate of 1000 kt Nevada near-ground nuclear explosion fallout

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    Comparison of axial density of radioactive activity between two models

    Fig. 5. Comparison of axial density of radioactive activity between two models

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    Comparison of radiation dose rate at symmetry axis between two models

    Fig. 6. Comparison of radiation dose rate at symmetry axis between two models

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    • Table 1. Range and median particle size of 50 particle groups of fallout

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      Table 1. Range and median particle size of 50 particle groups of fallout

      range of particle diameters/μmmedian particle diameter dm/μmrange of particle diameters/μmmedian particle diameter dm/μmrange of particle diameters/μmmedian particle diameter dm/μm
      1～2.5471.59636.10～39.5737.80152.8～166.8159.6
      2.547～3.9163.15839.57～43.2941.39166.8～182.6174.5
      3.916～5.2964.55443.29～47.2745.23182.6～200.3191.2
      5.296～6.7305.97047.27～51.5449.36200.3～220.4210.1
      6.730～8.2397.44651.54～56.1353.78220.4～243.3231.6
      8.239～9.8379.00356.13～61.0658.54243.3～269.8256.2
      9.837～11.5310.6561.06～66.3763.66269.8～300.7284.8
      11.53～13.3412.4066.37～72.1169.18300.7～337.3318.5
      13.34～15.2614.2772.11～78.3075.14337.3～381.3358.6
      15.26～17.3216.2678.30～85.0181.58381.3～435.5407.5
      17.32～19.5018.3885.01～92.2888.57435.5～503.9468.5
      19.50～21.8420.6492.28～100.296.16503.9～593.8547.0
      21.84～24.3323.05100.2～108.8104.4593.8～718.2653.0
      24.33～26.9825.62108.8～118.3113.5718.2～904.7806.1
      26.98～29.8228.37118.3～128.7123.4904.7～1227.01054.0
      29.82～32.8631.30128.7～140.1134.31227.0～2000.01567.0
      32.86～36.1034.44140.1～152.8146.3
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    Siyu Guo, Yinhui Cheng, Jun Guo. Simulation of atmospheric γ ionizing radiation environment of near-ground nuclear explosion fallout under windless conditions[J]. High Power Laser and Particle Beams, 2024, 36(4): 043027

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    Paper Information

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    Received: Jul. 31, 2023

    Accepted: Dec. 19, 2023

    Published Online: Apr. 22, 2024

    The Author Email: Jun Guo (junguo@mail.xjtu.edu.cn)

    DOI:10.11884/HPLPB202436.230245

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology