High Power Laser and Particle Beams, Volume. 34, Issue 6, 063001(2022)

Design of high efficiency forced air cooling heat dissipation system for collector of high-power klystron

Lei Lei1,2, Yu Zhou3, Dongping Gao1,2、*, and Quanju Shi1
Author Affiliations
  • 1Key Laboratory of High Power Microwave Sources and Technologies, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China
  • 2School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100190, China
  • 3Chengdu Zhongdian Jinjiang Information Industry Co., Ltd., Chengdu 615000, China
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    Figures & Tables(16)
    Structure of air cooling collector
    Characteristic curve of selected fan
    Effect of thickness, width and number of cooling fins on heat dissipation of collector
    Temperature distribution nephogram of collector under different heat dissipation modes
    Temperature variation of cooling fins at different positions
    Structure of collector with ventilation seat
    Effect of inner radius of duct on heat dissipation of collector
    Variation of wind speed in the duct without ventilation seat
    Variation of wind speed in the duct with ventilation seat
    Diagram of fan characteristic curve and duct characteristic curve
    Distribution of wind resistance in duct
    Outline drawing of klystron
    Temperature variation at root of cooling fins
    • Table 1. Physical parameters of air

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      Table 1. Physical parameters of air

      T/℃ $ \rho $/(kg∙m−3) ${C}_{{\rm{p}}}$/(kcal·kg−1·℃−1) $\; \mu $/(kg∙m−1∙s−1)
      301.1650.2418.6×10−6
    • Table 2. Structural parameters of air cooling collector system

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      Table 2. Structural parameters of air cooling collector system

      $ \mathit{K} $/mm2d/mm A/mm2$ {\mathit{A}}_{0} $/mm2L/mm
      669181332420612400
    • Table 3. Comparison of experimental test and simulation analysis results

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      Table 3. Comparison of experimental test and simulation analysis results

      methodmaximum temperature/℃minimum temperature/℃mean temperature/℃
      experimental test191.655.4110.8
      simulation analysis195.253.8116.2
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    Lei Lei, Yu Zhou, Dongping Gao, Quanju Shi. Design of high efficiency forced air cooling heat dissipation system for collector of high-power klystron[J]. High Power Laser and Particle Beams, 2022, 34(6): 063001

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    Paper Information

    Category: High Power Microwave Technology

    Received: Dec. 29, 2021

    Accepted: Mar. 3, 2022

    Published Online: Jun. 2, 2022

    The Author Email: Dongping Gao (dongpinggao@mail.ie.ac.cn)

    DOI:10.11884/HPLPB202234.210576

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