Research Article
Accuracy Evaluation of Monte Carlo Simulation Results Using ENDF/B-VIII.0 and JENDL-5 Libraries for 10 MWth Micro Heat Pipe-Cooled Reactor
Table 3
Contributions to uncertainty in keff for MHPR from Serpent 2 at BOC.
| Nuclear data | Uncertainty (pcm) | ENDF/B-VIII.0 | JENDL-5 |
| 235U total/235U total | 409.18 | 148.93 | 235U(n, f)/235U(n, f) | 327.24 | 191.71 | 235U(n, γ)/235U(n, γ) | 248.84 | 113.77 | 16O(n, γ)/16O(n, γ) | 243.57 | 139.77 | 238U(n, γ)/238U(n, γ) | 147.53 | 167.33 | 56Fe(n, γ)/56Fe(n, γ) | 138.38 | 361.93 | 238U total/238U total | 106.01 | 53.05 | 4He elastic/4He elastic | 70.91 | — | 238U(n, f)/238U(n, f) | 64.16 | 53.36 | 56Fe elastic/56Fe elastic | 30.09 | 65.66 | 56Fe angular distribution | — | 46.37 | 52Cr elastic/52Cr elastic | 22.33 | 13.80 | 238U inelastic/238U inelastic | 21.70 | 85.01 | 16O elastic/16O elastic | 19.66 | 25.45 | 238U elastic/238U elastic | 18.45 | 28.76 | 16O angular distribution | — | 14.73 | 238U angular distribution | — | 12.50 |
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