Table 4.
Summary of perturbation results for 240 perturbed states of PLUS7 fuel assembly model.
| Parameter | Error | DOS | AWP(DOS) | AWP(CS) | EPP |
|---|---|---|---|---|---|
| k-eigenvalue change (pcm) | RMS | 2297 | 416 | 1366 | 22 |
| Max. | 4973 | 931 | 2963 | 59 | |
| Fuel temperature coefficients(pcm/K) | RMS | 0.33 | 0.44 | 0.37 | 0.11 |
| Max. | 0.65 | 0.81 | 0.63 | 0.23 | |
| Xenon worth (pcm/ppb) | RMS | 3.15 | 0.54 | 1.68 | 0.31 |
| Max. | 6.39 | 1.52 | 3.06 | 1.02 | |
| Moderator density coefficients(pcm/(mg/cm3)) | RMS | 2.13 | 1.44 | 0.73 | 0.42 |
| Max. | 4.57 | 3.10 | 1.73 | 1.11 | |
| Boron worth (pcm/ppm) | RMS | 2.07 | 0.28 | 1.10 | 0.11 |
| Max. | 3.94 | 0.53 | 1.91 | 0.27 |
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