Research Article
PSI Methodologies for Nuclear Data Uncertainty Propagation with CASMO-5M and MCNPX: Results for OECD/NEA UAM Benchmark Phase I
Table 6
Uncertainty summary for the exercise I-2 TMI-1 HFP case, assuming only nuclear data uncertainty.
| | Parameter | Unrodded | Rodded | | DP | SS | DP | SS |
| | Eigenvalue | 1.3997 ± 0.50% | 0.50% | 1.0284 ± 0.53% | 0.53% | | 0.01 ± 0.87% | 0.91% | 0.0133 ± 0.94% | 0.99% | | 0.108 ± 0.21% | 0.22% | 0.136 ± 0.18% | 0.18% | | 0.00861 ± 0.50% | 0.51% | 0.00851 ± 0.49% | 0.49% | | 0.186 ± 0.44% | 0.45% | 0.190 ± 0.44% | 0.45% | | 0.0158 ± 1.03% | 1.07% | 0.0137 ± 1.18% | 1.20% | | 1.43 ± 0.83% | 0.86% | 1.39 ± 0.88% | 0.89% | | 0.372 ± 0.01% | 0.02% | 0.376 ± 0.02% | 0.02% | | Unr. peak loc. | 1.09 ± 0.03% | 0.04% | 0.802 ± 0.06% | 0.11% | | Gd pin loc. | 0.405 ± 0.56% | 0.51% | 0.506 ± 0.63% | 0.50% | | Rod. peak loc. | 0.951 ± 0.04% | 0.05% | 1.26 ± 0.14% | 0.12% | | ADF1 | 0.975 ± 0.04% | 0.04% | 1.020 ± 0.05% | 0.05% | | ADF2 | 1.070 ± 0.03% | 0.03% | 1.470 ± 0.06% | 0.06% |
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