Research Article
Analysis of the EBR-II SHRT-45R Unprotected Loss of Flow Experiment with ERANOS and RELAP
Table 1
Main results of the EBR-II SHRT-45R neutronics benchmark.
| Parameter | JENDL-4.0 | JEFF-3.1.2 | ENDF/B-VII.1 |
| Multiplication factor [—] | 0.9923 | 0.9850 | 0.9849 | Uncertainty [%] | 0.44 | 2.1 | 2.1 | [pcm] | 691 | 702 | 708 |
| Reactivity feedback coefficient [pcm/K] | Axial expansion | −0.84 | −0.85 | −0.85 | Radial expansion | −2.10 | −2.14 | −2.15 | Axial and radial expansion | −2.94 | −3.00 | −3.02 | Sodium density (core only) | −0.71 | −0.73 | −0.70 | Sodium density (all) | −1.90 | −2.02 | −1.89 | Uncertainty [%] | 1.71 | 3.75 | 4.07 | Doppler | −0.024 | −0.023 | −0.024 | Uncertainty [%] | 5.81 | 5.44 | 5.34 | Control rod curve | Graph | Graph | Graph |
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