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 2
Core parameters at BOC of MHPR obtained by Serpent 2.
| | Parameters | ENDF/B-VIII.0 | JENDL-5 | | Value | Uncertainty | Value | Uncertainty |
| | keff | 1.04909 ± 0.00013 | 678.52 (pcm) | 1.05126 ± 0.00014 | 525.91 (pcm) | | Control drum worth (pcm) | 1686.6 ± 2.4 | 34.92 | 1648.7 ± 2.3 | 40.89 | | Fuel feedback coefficient (cents/K) | −0.0834 | 0.0003 | −0.1032 | 0.0006 | | Monolith feedback coefficient (cents/K) | 0.0089 | 0.0003 | −0.0815 | 0.0005 | | βeff (pcm) | 706.54 ± 3.29 | 4.14 | 705.44 ± 3.10 | 5.69 | | leff (μs) | 0.1642 ± 0.0009 | 0.0020 | 0.1711 ± 0.0010 | 0.0013 | | λeff (s−1) | 0.509 ± 0.004 | 0.0069 | 0.478 ± 0.005 | 0.0041 |
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