High Power Laser and Particle Beams, Volume. 37, Issue 2, 026002(2025)
Burnup lib compression method based on pseudo decay nuclides definement
Figures & Tables(12)
Table 1. Specification of initial load materials in VERA_1A
View tableView in ArticleTable 1. Specification of initial load materials in VERA_1A
material nuclides atom density/(1024 cm−3) fuel (3.1%) U234 6.11864 E-06U235 7.18132 E-04U236 3.29861 E-06U238 2.21546 E-02O16 4.57642 E-02moderator 565 K O16 2.48112 E-02H1 4.96224 E-02B10 1.07070 E-05B11 4.30971 E-05
Table 2. Final selected target nuclides
View tableView in ArticleTable 2. Final selected target nuclides
target nuclides actinides fission products U-235 U-236 U-238 Kr-85 Sr-90 Y-90 Mo-95 Tc-99 Ru-101 U-239 Np-237 Np-239 Rh-103 Pd-105 Pd-108 Xe-131 Xe-135m Cs-133 Pu-238 Pu-239 Pu-240 Cs-134 Cs-134m Cs-137 Ba-137 Nd-145 Pm-147 Pu-241 Pu-242 Am-241 Pm-148m Pr-141 Nd-143 La-141 Sm-147 Sm-149 Am-243 Cm-242 Cm-244 Sm-150 Sm-151 Sm-152 Eu-153 Eu-154 Eu-157 Cm-246 Gd-155 Pm-150
Table 3. Specification of the compressed burnup lib
View tableView in ArticleTable 3. Specification of the compressed burnup lib
burnup lib ${\varepsilon _1},{\varepsilon _2}$ number of nuclides number of fission products number of decay channels number of neutron reaction channels fine_lib 1547 1137 1341 1626 VERA_36H179 1E-6, 1E-3 179 142 138 364 VERA_36H151 5E-6, 1E-3 151 114 122 324 VERA_36H138 1E-5, 1E-3 138 101 119 298 VERA_34H133 1E-5, 1E-2 133 98 113 292
Table 4. Maximum value and root mean square (RMS) value of
k eff deviationView tableView in ArticleTable 4. Maximum value and root mean square (RMS) value of
k eff deviationmaximum keff deviation/10−5 RMS of keff deviation/10−5 fine_lib VERA_36H179 VERA_34H133 fine_lib VERA_36H179 VERA_34H133 VERA_1A 202.07 201.79 200.77 93.72 93.64 92.40 VERA_1B 280.45 281.39 280.30 109.65 108.88 107.94 VERA_1C 273.52 274.47 273.39 115.27 114.90 113.87 VERA_1D 290.05 293.17 292.35 123.77 124.16 123.13
Table 5. Root mean square (RMS) value of target nuclides densities deviation
View tableView in ArticleTable 5. Root mean square (RMS) value of target nuclides densities deviation
RMS/% fine_lib VERA_36H179 VERA_34H133 0.8 GWd/tHM 20.0 GWd/tHM 60.0 GWd/tHM 0.8 GWd/tHM 20.0 GWd/tHM 60.0 GWd/tHM 0.8 GWd/tHM 20.0 GWd/tHM 60.0 GWd/tHM VERA_1A 1.77 1.69 1.97 1.14 1.12 2.91 1.33 1.35 5.46 VERA_1B 1.74 1.72 2.00 1.37 1.40 3.15 1.52 1.54 5.85 VERA_1C 1.74 1.71 1.98 1.49 1.52 3.24 1.65 1.66 5.86 VERA_1D 1.72 1.74 2.01 1.60 1.63 3.28 1.67 1.69 5.71
Table 6. Calculating memory overhead and computation time
View tableView in ArticleTable 6. Calculating memory overhead and computation time
calculating memory overhead/MB computation time/ms fine_lib 4.060 160 VERA_36H179 0.535 16 VERA_34H133 0.407 12
Table 7. Decay heat contribution to the power
View tableView in ArticleTable 7. Decay heat contribution to the power
decay heat contribution/% fine_lib VERA_36H179_16 deviation fine_lib VERA_36H179_16 deviation fine_lib VERA_36H179_16 deviation 0.8 GWd/tHM 20.0 GWd/tHM 60.0 GWd/tHM VERA_1A 6.37 6.00 −0.37 6.14 5.79 −0.35 6.16 5.69 −0.47 VERA_1B 6.39 6.01 −0.38 6.39 6.01 −0.38 6.18 5.70 −0.48 VERA_1C 6.40 6.02 −0.38 6.40 6.02 −0.38 6.16 5.70 −0.46 VERA_1D 6.40 6.02 −0.38 6.40 6.02 −0.38 6.16 5.70 −0.46
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Xingmin Tang, Tengfei Zhang, Bin Zhang, Lianjie Wang, Xiaojing Liu. Burnup lib compression method based on pseudo decay nuclides definement[J]. High Power Laser and Particle Beams, 2025, 37(2): 026002
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Received: Sep. 5, 2024
Accepted: Dec. 20, 2024
Published Online: Mar. 25, 2025
The Author Email: Zhang Tengfei (zhangtengfei@sjtu.edu.cn)
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