NUCLEAR TECHNIQUES, Volume. 48, Issue 3, 030602(2025)

Computational fluid dynamics pretest of LBE-water interaction

Chang DENG1,2, Lin ZHANG1,2, and Xiaojing LIU1,2、*
Author Affiliations
  • 1School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
  • 2Shanghai Digital Nuclear Reactor Technology Intergration Innovation Center, Shanghai 200240, China
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    Figures & Tables(16)
    Experimental facility and diagram of the test section
    Comparison of temperature data between simulation and LIFUS5 experiment (a), KYLIN-Ⅱ-S experiment (b)
    Mesh independence verification
    Multiphase-flow phenomenon during the early stage of jetting
    Multiphase-flow phenomenon during the middle stage of jetting
    Multiphase-flow phenomena during the final stage of jetting
    Variation in void fraction near inlet section
    Variations in temperature at measurement points T1~T15
    Effects of initial temperature of LBE on minimum temperature of LBE (a) and maximum temperature drop (b)
    Effect of water inlet velocity on minimum temperature of LBE
    Effect of water inlet temperature on minimum temperature of LBE
    Effect of initial temperature of LBE on void penetration depth
    Effect of water inlet velocity on void penetration depth
    Effect of water inlet temperature on void penetration depth
    • Table 1. Properties of LBE

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      Table 1. Properties of LBE

      物性Properties值Value
      密度Density / kg·m–3ρLBE=11 096–1.323 6T
      比热容Specific heat capacity / J·kg–1·K–1CpLBE=159–3.72×10–2 T+7.12×10–6 T2
      热导率Thermal conductivity / W·m–1·K–1λLBE=3.16+1.517×10–2 T–1.741×10–6 T2
      动力黏度Dynamic viscosity / Pa·sμpLBE=4.94×10–4+exp(754.1/T)
      熔点Melt point / K398.15
      熔化潜热Latent heat / kJ·kg–138.5
    • Table 2. Calculation cases

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      Table 2. Calculation cases

      工况编号

      Work condition

      进口速度

      Inlet velocity / m·s–1

      进口温度

      Inlet temperature / K

      铅铋初始温度

      Initial temperature of LBE / K

      14508623
      22~7508623
      34473~503623
      44508633~723
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    Chang DENG, Lin ZHANG, Xiaojing LIU. Computational fluid dynamics pretest of LBE-water interaction[J]. NUCLEAR TECHNIQUES, 2025, 48(3): 030602

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    Paper Information

    Category: NUCLEAR ENERGY SCIENCE AND ENGINEERING

    Received: Dec. 2, 2023

    Accepted: --

    Published Online: Apr. 15, 2025

    The Author Email: Xiaojing LIU (刘晓晶)

    DOI:10.11889/j.0253-3219.2025.hjs.48.230422

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