High Power Laser and Particle Beams, Volume. 37, Issue 4, 043002(2025)

A vacuum-sealed X-band repetitively pulsed high power microwave system

Yu Ao1,2, Dewen Yang1,2, Yan Teng1,2, Changhua Chen1,2, Feng Zhang1,2, and Lei Huang1,2
Author Affiliations
  • 1Northwest Institute of Nuclear Technology, Xi’an 710024, China
  • 2Key Laboratory of Advanced Science and Technology on High Power Microwave, Xi’an 710024, China
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    Figures & Tables(9)
    Section structure model of the vacuum-sealed HPM system
    Indicators of the system before sealing off
    Image of the NEG pump
    Model of the system’s pump assembly
    Curve of static vacuum degree & rising rate of pressure variation over time
    Curve of vacuum degree variation over time
    Curve of dynamic vacuum degree variation over time
    • Table 1. Properties of 0.4 m3/s NEG pump

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      Table 1. Properties of 0.4 m3/s NEG pump

      gaspumping speed/(m3·s−1)pumping amount/(Pa·m3)
      H20.4266.644
      CO0.21133.322
    • Table 2. Data recording table of static vacuum degree variation over time

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      Table 2. Data recording table of static vacuum degree variation over time

      No.duration after sealing off/hvacuum degree/Parising rate of pressure/(Pa·h−1)
      002.0×10−7
      13.053.3×10−74.26×10−8
      24.183.5×10−71.76×10−8
      36.003.8×10−71.65×10−8
      415.135.1×10−71.42×10−8
      518.005.5×10−71.40×10−8
      621.005.8×10−71.00×10−8
      725.006.3×10−71.25×10−8
      839.887.4×10−77.39×10−9
      950.508.0×10−75.65×10−9
      1064.058.7×10−75.17×10−9
      1188.129.7×10−74.16×10−9
      1298.759.9×10−71.88×10−9
      13122.851.0×10−64.15×10−10
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    Yu Ao, Dewen Yang, Yan Teng, Changhua Chen, Feng Zhang, Lei Huang. A vacuum-sealed X-band repetitively pulsed high power microwave system[J]. High Power Laser and Particle Beams, 2025, 37(4): 043002

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    Paper Information

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    Received: Oct. 24, 2024

    Accepted: Jan. 21, 2025

    Published Online: May. 15, 2025

    The Author Email:

    DOI:10.11884/HPLPB202537.240374

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