• NUCLEAR TECHNIQUES
  • Vol. 46, Issue 6, 060603 (2023)
Bowen XIAO1, Youqi ZHENG1、*, Yongping WANG1, Liang QIAO2, Yushan TAO2, and Xiaoyue LIU1
Author Affiliations
  • 1Xi'an Jiaotong University, Xi'an 710049, China
  • 2Nuclear Power Institute of China, Chengdu 610041, China
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    DOI: 10.11889/j.0253-3219.2023.hjs.46.060603 Cite this Article
    Bowen XIAO, Youqi ZHENG, Yongping WANG, Liang QIAO, Yushan TAO, Xiaoyue LIU. Application of SARAX code system on the calculation of complex unstructured geometry core[J]. NUCLEAR TECHNIQUES, 2023, 46(6): 060603 Copy Citation Text show less
    Arbitrary triangular prism in (x, y)
    Fig. 1. Arbitrary triangular prism in (x, y)
    Equilateral triangular prism in (x′, y′)
    Fig. 2. Equilateral triangular prism in (x′, y′)
    Mesh generation of unstructured geometry (a) Heat pipe reactor, (b) Space reactor
    Fig. 3. Mesh generation of unstructured geometry (a) Heat pipe reactor, (b) Space reactor
    Diagram of the radial core layout of ACMIR
    Fig. 4. Diagram of the radial core layout of ACMIR
    Diagram of mesh generation of radial core
    Fig. 5. Diagram of mesh generation of radial core
    Radial power distribution of fuel assembly
    Fig. 6. Radial power distribution of fuel assembly
    Raidal layout of heat pipe core
    Fig. 7. Raidal layout of heat pipe core
    Radial modeling (a) and mesh generation (b) of heat pipe core
    Fig. 8. Radial modeling (a) and mesh generation (b) of heat pipe core
    Radial power distribution of fuel assembly
    Fig. 9. Radial power distribution of fuel assembly
    NECP-MCXSARAX

    偏差

    Deviation / 10-3

    keff1.022 88(±0.000 04)1.025 852.97
    Table 1. The keff results of ACRIM
    NECP-MCXSARAX

    偏差

    Deviation/ 10-3

    keff1.043 66(±0.000 04)1.044 951.29
    Table 2. The keff results

    核数

    Nuclear number

    模型A Model A模型B Model B

    计算时间

    Computation time / s

    计算效率

    Computational efficiency / %

    计算时间

    Computation time / s

    计算效率

    Computational efficiency / %

    11 203.94100.001 621.2100.00
    2465.3676.7599.9367.60
    4836.4868.7650.7966.50
    9621.4858.3828.4659.34
    14416.3251.2320.8154.10
    19214.7242.6017.3548.67
    24013.0538.4416.2441.59
    31211.9032.4314.2436.49
    Table 3. Parallel performance of model A and model B
    Bowen XIAO, Youqi ZHENG, Yongping WANG, Liang QIAO, Yushan TAO, Xiaoyue LIU. Application of SARAX code system on the calculation of complex unstructured geometry core[J]. NUCLEAR TECHNIQUES, 2023, 46(6): 060603
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