NUCLEAR TECHNIQUES, Volume. 47, Issue 6, 060602(2024)

Effect of reflected neutrons for fast pulsed reactor characteristics with metallic nuclear fuel

Shuwei GUO1,2, Zhenping CHEN1、*, Xinbiao JIANG2, Da LI2, Keying ZHANG2, Xinyi ZHANG2, Lipeng WANG2, Jinsen XIE1, and Tao YU1
Author Affiliations
  • 1School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
  • 2State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi'an 710024, China
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    Figures & Tables(14)
    Decay curve of neutron flux density in core
    Effect of wall thickness on neutron scattering
    Schematic of core hall
    Variation of neutron number in reactor core over time
    Equivalent source of one leakaged neutron
    Flow chart of neutronic/thermal-mechanical coupling method for pulsed reactor with reflected neutrons
    Comparison of fission rates with reference values
    Changes in system reactivity over time
    Temperature distribution contour (a) Without wall reflection neutrons, (b) With wall reflection neutrons
    Displacement distribution contour (a) Without wall reflection neutrons, (b) With wall reflection neutrons
    Stress distribution contour (a) Without wall reflection neutrons, (b) With wall reflection neutrons
    Changes in system surface displacement over time
    Changes in system surface stress over time
    • Table 1. Core spectrum of leakage neutron

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      Table 1. Core spectrum of leakage neutron

      中子能区

      Neutron energy range / MeV

      能谱

      Neutron spectrum / %

      中子能区

      Neutron energy range / MeV

      能谱

      Neutron spectrum / %

      0~0.0050.010 33~47.132 4
      0.005~0.010.027 24~53.856 5
      0.01~0.020.103 05~62.045 9
      0.02~0.050.615 26~71.050 4
      0.05~0.11.787 67~80.504 7
      0.1~0.25.152 08~90.241 6
      0.2~0.517.724 59~100.117 3
      0.5~122.726 110~150.109 6
      1~224.098 115~200.002 4
      2~312.695 2
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    Shuwei GUO, Zhenping CHEN, Xinbiao JIANG, Da LI, Keying ZHANG, Xinyi ZHANG, Lipeng WANG, Jinsen XIE, Tao YU. Effect of reflected neutrons for fast pulsed reactor characteristics with metallic nuclear fuel[J]. NUCLEAR TECHNIQUES, 2024, 47(6): 060602

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    Paper Information

    Category: Research Articles

    Received: Sep. 27, 2022

    Accepted: --

    Published Online: Jul. 8, 2024

    The Author Email: CHEN Zhenping (陈珍平)

    DOI:10.11889/j.0253-3219.2024.hjs.47.060602

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