• NUCLEAR TECHNIQUES
  • Vol. 47, Issue 5, 050007 (2024)
Shengzhe WANG, Shichang LIU*, and Yixue CHEN
Author Affiliations
  • School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China
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    DOI: 10.11889/j.0253-3219.2024.hjs.47.050007 Cite this Article
    Shengzhe WANG, Shichang LIU, Yixue CHEN. Transport-activation internal coupling method for fusion reactors based on cosRMC[J]. NUCLEAR TECHNIQUES, 2024, 47(5): 050007 Copy Citation Text show less
    Calculation flowchart of criticality/burnup and fixed source/activation
    Fig. 1. Calculation flowchart of criticality/burnup and fixed source/activation
    Processing of external databases in transport activation coupling calculation
    Fig. 2. Processing of external databases in transport activation coupling calculation
    Structural diagram of CFETR blanket
    Fig. 3. Structural diagram of CFETR blanket
    Variation in the number density of 56Fe (a), 57Fe (b), 55Mn (c), 1H (d), 54Cr (e), 59Co (f) nucleons over time
    Fig. 4. Variation in the number density of 56Fe (a), 57Fe (b), 55Mn (c), 1H (d), 54Cr (e), 59Co (f) nucleons over time
    Variation in the number density of 182W (a), 183W (b), 184W (c), 186W (d), 181Ta (e), 185Re (f), 187Re (g), 1H (h) nucleons over time
    Fig. 5. Variation in the number density of 182W (a), 183W (b), 184W (c), 186W (d), 181Ta (e), 185Re (f), 187Re (g), 1H (h) nucleons over time
    Variation in the number density of 56Fe (a), 57Fe (b), 55Mn (c), 1H (d), 54Cr (e), 59Co (f) nucleons over time
    Fig. 6. Variation in the number density of 56Fe (a), 57Fe (b), 55Mn (c), 1H (d), 54Cr (e), 59Co (f) nucleons over time
    Variation in the number density of 182W (a), 184W (b), 186W (c), 181Ta (d), 185Re (e), 187Re (f), 1H (g) nucleons over time
    Fig. 7. Variation in the number density of 182W (a), 184W (b), 186W (c), 181Ta (d), 185Re (e), 187Re (f), 1H (g) nucleons over time
    Variation in the energy spectrum of steel (a) and tungsten (b) over time
    Fig. 8. Variation in the energy spectrum of steel (a) and tungsten (b) over time
    Variation in the number density of 56Fe (a), 57Fe (b), 55Mn (c), 1H (d), 54Cr (e), 59Co (f) nucleons over time
    Fig. 9. Variation in the number density of 56Fe (a), 57Fe (b), 55Mn (c), 1H (d), 54Cr (e), 59Co (f) nucleons over time
    Variation in the number density of 182W (a), 183W (b), 184W (c), 186W (d), 181Ta (e), 185Re (f), 187Re (g), 1H (h) nucleons over time
    Fig. 10. Variation in the number density of 182W (a), 183W (b), 184W (c), 186W (d), 181Ta (e), 185Re (f), 187Re (g), 1H (h) nucleons over time
    Continuous cross section and multigroup cross section of 182W(n,γ) (a), 183W(n,γ) (b), 184W(n,γ) (c), 186W(n,γ) (d) reaction
    Fig. 11. Continuous cross section and multigroup cross section of 182W(n,γ) (a), 183W(n,γ) (b), 184W(n,γ) (c), 186W(n,γ) (d) reaction
    Multigroup cross section of 182W(n,γ) (a), 183W(n,γ) (b), 184W(n,γ) (c), 186W(n,γ) (d) reaction
    Fig. 12. Multigroup cross section of 182W(n,γ) (a), 183W(n,γ) (b), 184W(n,γ) (c), 186W(n,γ) (d) reaction
    Variation in the number density of 182W (a), 183W (b), 184W (c), 186W (d), 181Ta (e), 185Re (f), 187Re (g), 1H (h) nucleons over time
    Fig. 13. Variation in the number density of 182W (a), 183W (b), 184W (c), 186W (d), 181Ta (e), 185Re (f), 187Re (g), 1H (h) nucleons over time
    反应编号Reaction number反应类型Reaction type
    1020(n,γ)
    1021(n,γ)
    160(n,2n)
    161(n,2n)
    1070(n,α)
    1030(n,p)
    280(n,np)
    Table 1. Nuclear reaction numbers and type sets in cosRMC
    反应编号Reaction number反应类型Reaction type反应编号Reaction number反应类型Reaction type反应编号Reaction number反应类型Reaction type
    37(n,4n)320(n,nd)1042(n,d)
    40(n,n)321(n,nd)1050(n,t)
    41(n,n)322(n,nd)1051(n,t)
    162(n,2n)330(n,nt)1052(n,t)
    170(n,3n)331(n,nt)1060(n,h)
    171(n,3n)332(n,nt)1061(n,h)
    180(n,f)340(n,nh)1062(n,h)
    220(n,nα)341(n,nh)1071(n,α)
    221(n,nα)371(n,4n)1072(n,α)
    222(n,nα)1021(n,γ)1072(n,α)
    240(n,2nα)1022(n,γ)1080(n,2α)
    281(n,np)1031(n,p)1110(n,2p)
    282(n,np)1032(n,p)1111(n,2p)
    290(n,n2α)1041(n,d)1112(n,2p)
    Table 2. New nuclear reaction numbers and names added to cosRMC
    核素Nuclide相对误差Relative error / %
    56Fe0.03
    57Fe0.10
    55Mn0.28
    1H0.16
    54Cr0.18
    59Co0.23
    Table 3. Relative error of cosRMC and ALARA for the fifth year (steel)
    核素Nuclide相对误差Relative error / %
    182W0.19
    183W0.11
    184W0.15
    186W0.01
    181Ta0.45
    185Re1.16
    187Re1.12
    1H0.32
    Table 4. Relative error of cosRMC and ALARA in the fifth step (tungsten)

    反应类型

    Reac-tion type

    182W183W
    连续截面Continuous energy cross section / b多群截面归并Multi-group cross section merge / b相对误差Relative error / %连续能量截面统计误差Statistical error of continuous energy cross section连续截面Continuous energy cross section / b多群截面归并 Multi-group cross section merge / b相对误差Relative error / %连续能量截面统计误差Statistical error of continuous energy cross section
    (n,γ)2.698.36×10-168.918.782 5×10-25.751.7469.666.023 0×10-2
    (n,2n)4.62×10-14.86×10-1-5.131.572 8×10-15.39×10-14.74×10-112.131.588 6×10-2
    (n,2α)2.39×10-40100.0002.30×10-40100.000
    (n,p)6.85×10-40100.0009.08×10-40100.000

    反应类型

    Reac-tion type

    184W186W
    连续截面Continuous energy cross section / b多群截面归并Multi-group cross section merge / b相对误差Relative error / %连续能量截面统计误差Statistical error of continuous energy cross section连续截面Continuous energy cross section / b多群截面归并 Multi-group cross section merge / b相对误差Relative error / %连续能量截面统计误差Statistical error of continuous energy cross section
    (n,γ)5.19×10-11.95×10-162.506.069 3×10-22.007.17×10-164.235.387 4×10-2
    (n,2n)2.33×10-14.83×10-1-106.891.577 9×10-22.58×10-14.72×10-1-82.971.585 0×10-2
    (n,2α)2.59×10-40100.0009.39×10-50100.000
    (n,p)6.15×10-40100.0003.39×10-40100.000
    Table 5. Comparison of one-group cross section for four reaction types at 182W, 183W, 184W, 186W
    核素Nuclide背景截面Background cross / b
    182W160
    183W300
    184W145
    186W155
    Table 6. Background cross section of tungsten
    核素NuclideACE连续截面Section of ACE continuous energy cross section / bALARA多群截面归并ALARA multi-group cross section merging / b问题相关多群截面归并Specific problem cross section merging / b相对误差(ALARA多群归并)Relative error (ALARA multi-group cross section merging) / %相对误差(问题相关多群截面归并)Relative error (specific problem cross section merging) / %
    182W8.355 1×10-12.687 37.553 6×10-1221.64-9.59
    183W1.744 35.750 11.703 1229.65-2.36
    184W1.947 0×10-15.191 5×10-12.051 2×10-1166.645.35
    186W7.169 1×10-12.004 57.513 7×10-1179.604.81
    Table 7. One-group cross section of tungsten
    Shengzhe WANG, Shichang LIU, Yixue CHEN. Transport-activation internal coupling method for fusion reactors based on cosRMC[J]. NUCLEAR TECHNIQUES, 2024, 47(5): 050007
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