High Power Laser and Particle Beams, Volume. 35, Issue 12, 126002(2023)
Application development of RPT module based on OpenMC for double-heterogeneous system
Figures & Tables(10)
Fig. 1. Schematic diagram of reactivity equivalent physical transformation method
Fig. 5. Comparison of the effect of searching equivalent radius between traditional method and RPT module
Fig. 6. Variation of Kinf and reactivity deviation with depletion using RPT module to deal with DH system
Table 1. Main parameters of fuel pin
View tableView in ArticleTable 1. Main parameters of fuel pin
pitch/cm radius 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 1.26 0.4096 0.0084 UO2 20 10.5 Zr 0.057 6.5 1.0 300
Table 2. Parameters of dispersed poison particles
View tableView in ArticleTable 2. Parameters of dispersed poison particles
material of particles radius of particles/μm volumetric fraction of particles/% density of fuel particles/(g·cm−3) B4C 100/215 5 1.9 Er2O3 100/215 5 8.6
Table 3. Effects of different lattice partition methods on the calculation of dispersed particle system
View tableView in ArticleTable 3. Effects of different lattice partition methods on the calculation of dispersed particle system
lattice division method computing time/s Kinf volumetric fraction 5% volumetric fraction 10% volumetric fraction 5% volumetric fraction 10% 1×1×1(no lattice) 5868.359 17236.021 1.45644 1.61679 3×3×3 732.663 1639.056 1.45538 1.61731 5×5×5 376.934 769.323 1.45602 1.61757 7×7×7 270.646 503.730 1.45558 1.61638 10×10×10 177.279 262.550 1.45651 1.61755 13×13×13 174.607 247.808 1.45698 1.61752 15×15×15 177.633 246.969 1.45634 1.61741 17×17×17 182.233 254.476 1.45673 1.61613 19×19×19 200.549 260.858 1.45546 1.61734 21×21×21 206.945 271.748 1.45615 1.61748
Table 4. Particle generation time of OpenMC
View tableView in ArticleTable 4. Particle generation time of OpenMC
volumetric fraction/% particle number consumption time/s 5 5033 0.67583202 10 10066 1.49383474 20 20132 3.50719374 30 30198 17.73238749 40 40265 156.2571
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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
Paper Information
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Received: Jun. 24, 2023
Accepted: Jul. 28, 2023
Published Online: Dec. 27, 2023
The Author Email: Chen Yuqing (chenyuqing301@163.com)
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