Research Article
PSI Methodologies for Nuclear Data Uncertainty Propagation with CASMO-5M and MCNPX: Results for OECD/NEA UAM Benchmark Phase I
Table 4
Uncertainty summary for exercise I-1 TMI-1 and Gen-III MOX cases.
| Parameter | TMI-1 HZP | TMI-1 HFP | Gen-III MOX |
| Eigenvalue | 1.4293 ± 0.50% | 1.4099 ± 0.51% | 1.1076 ± 0.95% | U-235 abs. | 43.6 b ± 1.05% | 42.4 b ± 1.06% | 15.2 b ± 1.37% | U-235 fis. | 35.3 b ± 1.05% | 34.3 b ± 1.07% | 11.0 b ± 1.19% | U-238 abs. | 0.911 b ± 1.10% | 0.934 b ± 1.11% | 0.893 b ± 1.14% | U-238 fis. | 0.101 b ± 3.59% | 0.101 b ± 3.62% | 0.118 b ± 3.69% | Pu-239 abs. | | | 27.3 b ± 1.23% | Pu-239 fis. | | | 17.6 b ± 1.30% | Pu-240 abs. | | | 21.7 b ± 1.33% | Pu-240 fis. | | | 0.639 b ± 2.10% | Pu-241 abs. | | | 31.6 b ± 1.28% | Pu-241 fis. | | | 23.7 b ± 1.30% | Pu-242 abs. | | | 11.9 b ± 5.03% | Pu-242 fis. | | | 0.492 b ± 4.85% | Am-241 abs. | | | 32.8 b ± 4.41% | Am-241 fis. | | | 0.753 b ± 2.62% |
|
|