NUCLEAR TECHNIQUES, Volume. 47, Issue 12, 120604(2024)

Steady state performance analysis of lithium heat pipe based on improved lumped parameter model

Chongju HU1,2, Bin LI3, Dali YU1,2、*, Xiuxiang ZHANG1, Huaping MEI2, Taosheng LI2, and Hongyan WANG1
Author Affiliations
  • 1Suzhou University, Suzhou 234000, China
  • 2Institute of Nuclear Safety Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
  • 3Taiyuan North Permanent Magnet Motor Technology Co., Ltd, Taiyuan 030003, China
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    Figures & Tables(12)
    Structural diagram of heat pipe and solid part network model(a) Schematic diagram of heat pipe structure, (b) Network scheme for solid model
    Network scheme for fluidic model
    Dynamic cycle model for fluidic model
    Structural diagram of HP-STMCs core lithium heat pipe (a) Schematic diagram of core lithium heat pipe structure, (b) Section diagram of lithium
    Comparison of vapor temperature results (a) and temperature difference results (b)
    Variations of temperature difference (a) and thermal resistance (b) with power under fixed heat sink condition
    Variations of vapor (a) and liquid (b) parameters with different power under fixed heat sink condition
    Variations of wick parameters (a) and pressure drop (b) with power under fixed heat sink condition
    Variations of temperature difference (a) and thermal resistance (b) with power under fixed working temperature
    Variations of vapor (a) and liquid (b) parameters with power under fixed working temperature
    Variations of wick parameters with power under fixed working temperature
    • Table 1. Design parameters of HP-STMCs power systemreactor lithium heat pipes

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      Table 1. Design parameters of HP-STMCs power systemreactor lithium heat pipes

      设计参数Design parameter数值Values设计参数Design parameter数值Values
      管壁和吸液芯Tube wall and suction coreMo-14% Re环空间隙Annular space gap / mm0.5
      热管外径Heat pipe outer diameter / mm15热管壁厚Heat pipe wall thickness / mm0.4
      吸液芯孔隙率Liquid suction core porosity0.69蒸发器长度Evaporator length / m0.45
      吸液芯有效孔径Effective pore size of suction core / μm12绝热段长度Insulation section length / m5.78
      丝网吸液芯厚度Silk screen liquid suction core thickness / mm0.2冷凝器长度Condenser length / m1.5
      蒸汽腔半径Steam chamber radius / mm6.4热管总长Total length of heat pipe / m7.73
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    Chongju HU, Bin LI, Dali YU, Xiuxiang ZHANG, Huaping MEI, Taosheng LI, Hongyan WANG. Steady state performance analysis of lithium heat pipe based on improved lumped parameter model[J]. NUCLEAR TECHNIQUES, 2024, 47(12): 120604

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    Paper Information

    Category: NUCLEAR ENERGY SCIENCE AND ENGINEERING

    Received: Dec. 19, 2023

    Accepted: --

    Published Online: Jan. 15, 2025

    The Author Email: YU Dali (YUDali)

    DOI:10.11889/j.0253-3219.2024.hjs.47.120604

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