Research Article
Multiphysics Modeling and Validation of Spent Fuel Isotopics Using Coupled Neutronics/Thermal-Hydraulics Simulations
Table 1
Calculated/experimental (C/E) ratios for selected fuel isotopics in 2F2DN23/SF98.
| Isotope | Sample 1 | Sample 2 | Sample 3 | Sample 4 | Sample 5 | Sample 6 | Sample 7 | Sample 8 |
| U-234 | 0.544 | 0.989 | 1.053 | 1.051 | 1.079 | 1.190 | 1.131 | 1.126 | U-235 | 1.080 | 0.826 | 0.982 | 0.997 | 0.923 | 0.869 | 0.777 | 0.907 | U-236 | 0.925 | 1.214 | 1.079 | 1.086 | 1.091 | 1.081 | 1.089 | 1.046 | U-238 | 0.999 | 1.001 | 0.998 | 0.998 | 0.999 | 1.003 | 1.003 | 1.003 | Pu-238 | 1.201 | 1.420 | 0.919 | 0.952 | 0.923 | 0.746 | 0.609 | 0.429 | Pu-239 | 1.195 | 1.086 | 1.075 | 0.986 | 0.973 | 0.858 | 0.738 | 0.662 | Pu-240 | 1.094 | 1.445 | 0.979 | 0.882 | 0.978 | 1.113 | 1.129 | 1.161 | Pu-241 | 0.872 | 1.022 | 0.892 | 0.901 | 0.810 | 0.606 | 0.521 | 0.434 | Pu-242 | 0.931 | 1.679 | 1.088 | 1.140 | 1.156 | 0.892 | 0.937 | 0.547 | Nd-148 | 1.010 | 1.016 | 1.045 | 1.043 | 1.038 | 1.002 | 1.035 | 1.009 |
| % | 13.1 | 20.7 | 5.7 | 6.0 | 7.6 | 14.2 | 18.0 | 23.6 |
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Last row includes the average relative difference in percent for each sample.
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