High Power Laser and Particle Beams, Volume. 33, Issue 8, 085001(2021)

Modal analysis of the 32-stage modular Marx generator

Haiyang Wang1...2, Jing Xiao1,2, Linshen Xie1,2, Wei Wu1,2, Le Cheng1,2, Xiaoping He1,2, and Chuyu Sun12 |Show fewer author(s)
Author Affiliations
  • 1Northwest Institute of Nuclear Technology, Xi’an 710024, China
  • 2State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Xi’an 710024, China
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    Figures & Tables(10)
    32-stage Marx generator
    Structure of one stage module
    Modal analysis results of the 32-stage Marx generator
    Vibration mode of integral modal analysis under free boundary condition
    Vibrational transmissibility on x axis
    Vibrational transmissibility on y axis
    Vibrational transmissibility on z axis
    • Table 1. Parameters of the materials

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      Table 1. Parameters of the materials

      materialYoung modulus/GPaPoisson’s ratiodensity/(kg·m−3
      stainless steel1900.338000
      glass fiber37.20.252440
      MC nylon31.90.401150
    • Table 2. Integral modal analysis results under free boundary condition

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      Table 2. Integral modal analysis results under free boundary condition

      frequency/Hzdamping ratio/%mode of vibration
      23.581.50overall first-order torsion
      30.761.31overall first-order bend in y direction
      34.330.99overall first-order bend in z direction
      48.760.98approximate second-order bend in z direction
      63.310.92overall second-order torsion
      70.931.40the phase of glass fiber side plate in x direction is opposite
      75.141.91overall second-order bend in z direction
    • Table 3. Local modal test results under free boundary condition

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      Table 3. Local modal test results under free boundary condition

      frequency/Hzcorresponding part
      100.6,151.3upper shielded ring at the outermost of the 4th module
      129.4,188.7upper shielded ring at the outermost of the 3rd module
      59.28,206.3capacitor and switch of the 4th module
      58.59,219.8capacitor and switch of the 3rd module
      124.9,225.8U-shape support rod of the 1st module
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    Haiyang Wang, Jing Xiao, Linshen Xie, Wei Wu, Le Cheng, Xiaoping He, Chuyu Sun. Modal analysis of the 32-stage modular Marx generator[J]. High Power Laser and Particle Beams, 2021, 33(8): 085001

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    Paper Information

    Category: Pulsed Power Technology

    Received: Feb. 22, 2021

    Accepted: --

    Published Online: Sep. 3, 2021

    The Author Email:

    DOI:10.11884/HPLPB202133.210054

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