Research Article

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

Table 2

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

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

1.60 10−31.56 10−3−2.07
3.14 10−33.13 10−3−0.41
7.97 10−47.93 10−4−0.50
3.36 10−33.32 10−3−1.21
8.85 10−38.83 10−3−0.19
5.46 10−55.66 10−53.66
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.