• High Power Laser and Particle Beams
  • Vol. 35, Issue 12, 126002 (2023)
Pengfei Liu1, Yuqing Chen1、*, Song Li1, and Tong Zhu2
Author Affiliations
  • 1College of Nuclear Science and Technology , Naval University of Engineering, Wuhan 430033, China
  • 2China Nuclear Power Operation Technology Corporation, Ltd, Wuhan 430074, China
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    DOI: 10.11884/HPLPB202335.230193 Cite this Article
    Pengfei Liu, Yuqing Chen, Song Li, Tong Zhu. Application development of RPT module based on OpenMC for double-heterogeneous system[J]. High Power Laser and Particle Beams, 2023, 35(12): 126002 Copy Citation Text show less
    Schematic diagram of reactivity equivalent physical transformation method
    Fig. 1. Schematic diagram of reactivity equivalent physical transformation method
    Diagram of lattice division of dispersed particle system
    Fig. 2. Diagram of lattice division of dispersed particle system
    Flow chart of RPT module based on OpenMC
    Fig. 3. Flow chart of RPT module based on OpenMC
    Effect of lattice division on computational efficiency
    Fig. 4. Effect of lattice division on computational efficiency
    Comparison of the effect of searching equivalent radius between traditional method and RPT module
    Fig. 5. Comparison of the effect of searching equivalent radius between traditional method and RPT module
    Variation of Kinf and reactivity deviation with depletion using RPT module to deal with DH system
    Fig. 6. Variation of Kinf and reactivity deviation with depletion using RPT module to deal with DH system
    pitch/cmradius of fuel region/cm thickness of air gas/cm material of matrix matrix enrichment ratio/% density of matrix/ (g·cm−3) material of cladding/cm thickness of zirconium cladding/cm density of zirconium cladding/ (g·cm−3) density of moderate H2O/ (g·cm−3) temperature/K
    1.260.40960.0084UO22010.5Zr0.0576.51.0300
    Table 1. Main parameters of fuel pin
    material of particlesradius of particles/μmvolumetric fraction of particles/%density of fuel particles/(g·cm−3)
    B4C 100/21551.9
    Er2O3100/21558.6
    Table 2. Parameters of dispersed poison particles
    lattice division method computing time/sKinf
    volumetric fraction 5%volumetric fraction 10%volumetric fraction 5%volumetric fraction 10%
    1×1×1(no lattice)5868.35917236.0211.456441.61679
    3×3×3732.6631639.0561.455381.61731
    5×5×5376.934769.3231.456021.61757
    7×7×7270.646503.7301.455581.61638
    10×10×10177.279262.5501.456511.61755
    13×13×13174.607247.8081.456981.61752
    15×15×15177.633246.9691.456341.61741
    17×17×17182.233254.4761.456731.61613
    19×19×19200.549260.8581.455461.61734
    21×21×21206.945271.7481.456151.61748
    Table 3. Effects of different lattice partition methods on the calculation of dispersed particle system
    volumetric fraction/% particle number consumption time/s
    550330.67583202
    10100661.49383474
    20201323.50719374
    303019817.73238749
    4040265156.2571
    Table 4. Particle generation time of OpenMC
    Pengfei Liu, Yuqing Chen, Song Li, Tong Zhu. Application development of RPT module based on OpenMC for double-heterogeneous system[J]. High Power Laser and Particle Beams, 2023, 35(12): 126002
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