Science and Technology of Nuclear Installations / 2015 / Article / Tab 1

Research Article

Monte Carlo Few-Group Constant Generation for CANDU 6 Core Analysis

Table 1

Comparison of two-group constants generated by McCARD and WIMS-AECL for the natural uranium fuel bundle.

Two-group1
constants
McCARDWIMS-AECLRel. Diff.2 (%)

1.64 10−31.66 10−30.72
3.48 10−33.56 10−32.16
8.88 10−48.95 10−41.20
4.30 10−34.38 10−31.84
8.62 10−38.88 10−31.66
6.60 10−56.09 10−5−7.73
1.371.36−0.81
0.870.87−0.65

Group 1 (>0.625 10−06 MeV), group 2 (<0.625 10−06 MeV).
2Rel. Diff: relative difference between McCARD and WIMS-AECL.

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