Comparative Neutronics Analysis of DIMPLE S06 Criticality Benchmark with Contemporary Reactor Core Analysis Computer Code Systems
Table 4
The two-group constants generated by unit models.
Configuration
Parameter
Code
SERPENT2
CASMO-4E
NEWT
Relative difference (%)(1)
F
0.2876 ± 0.0017
−3.0
0.8
1.0212 ± 0.0069
4.9
−0.8
0.0139 ± 0.0001
3.4
−0.2
0.1481 ± 0.0009
1.2
−0.4
0.0106 ± 0.0001
1.9
0.5
0.2439 ± 0.0017
1.3
−0.3
0.0149 ± 0.0001
6.7
0.4
R
0.2373 ± 0.0059
−20.8
0.8
2.1834 ± 0.0076
0.0
−0.2
0.0005 ± 0.0000
−5.3
0.7
0.0189 ± 0.0001
3.3
−0.2
0.0585 ± 0.0009
2.8
−0.4
RB
0.3040 ± 0.0064
−7.4 (−7.9)(2)
1.9
2.0925 ± 0.0111
0.2 (0.4)
0.6
0.0023 ± 0.0001
−7.5 (−10.9)
2.4
0.0265 ± 0.0005
−0.3 (−1.2)
−0.8
0.0337 ± 0.0006
0.5 (3.1)
−1.4
Relative difference (%): (SERPENT2 − CASMO-4E or NEWT)/(SERPENT2) 100. (2)( ): Relative difference of the result with an actual thickness of a baffle of 2.67 cm.
