Research Article
PSI Methodologies for Nuclear Data Uncertainty Propagation with CASMO-5M and MCNPX: Results for OECD/NEA UAM Benchmark Phase I
Table 7
Sensitivity summary with respect to technological parameters for exercise I-2 TMI-1 HFP (values > 0.5 shown in bold).
| Parameter | Unrodded | Rodded | enr | fdens | tgap | tclad | rfuel | enr | fdens | tgap | tclad | rfuel |
| eigenvalue |
0.13
| −0.05 |
0.00
| −0.03 | −0.29 |
0.26
|
0.11
| −0.01 | −0.05 | −0.10 | |
0.27
| 0.72 |
0.00
| −0.01 | |
0.16
| |
0.00
| −0.01 | | | | 0.67 |
0.00
| −0.02 | | | |
0.00
| −0.02 | | | | 0.87 |
0.00
| −0.03 | | | |
0.00
| −0.03 | | | | 0.73 |
0.00
| −0.02 | | | |
0.00
| −0.03 | | | −0.17 | −0.16 | −0.03 | −0.19 | | −0.20 | −0.18 | −0.03 | −0.22 | | |
0.02
| |
0.01
| −0.03 | −0.35 |
0.02
| −0.42 |
0.01
| −0.04 | −0.36 | | −0.02 | −0.15 |
0.02
|
0.10
| | −0.02 | −0.17 |
0.02
|
0.10
| | Unr. Peak Loc. | 0.00 | 0.02 | 0.00 | 0.01 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | Gd Pin Loc. | 0.33 | 0.23 | 0.01 | 0.07 | 0.72 | 0.25 | 0.10 | 0.01 | 0.05 | 1.02 | Rod. Peak Loc. | 0.07 | 0.07 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
|
|