Research Article

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

Table 8

Comparison of normalized channel power distribution for the core with all ADJs in.

0.916 0.916 0.940 0.988 1.060 1.180 1.220 1.200 1.080 0.896 0.670
0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
−2.55 −2.29 −2.01 −1.57 −1.20 −0.56 −0.17 0.26 0.36 0.42 1.02
−1.80 −1.60 −1.40 −1.09 −0.90 −0.48 −0.25 0.07 0.10 0.15 0.86

0.932 0.932 0.958 1.010 1.080 1.200 1.220 1.190 1.060 0.872 0.645
0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
−2.35 −2.15 −1.82 −1.39 −1.01 −0.51 −0.15 0.27 0.37 0.46 0.96
−1.64 −1.50 −1.25 −0.96 −0.76 −0.47 −0.26 0.07 0.11 0.20 0.81

0.965 0.966 0.993 1.040 1.160 1.230 1.230 1.170 1.030 0.826 0.606
0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.04
−1.96 −1.86 −1.56 −1.10 −0.63 −0.33 −0.04 0.30 0.44 0.81 1.50
−1.34 −1.29 −1.07 −0.76 −0.51 −0.34 −0.17 0.08 0.18 0.57 1.43

1.020 1.010 1.040 1.100 1.200 1.240 1.210 1.120 0.960 0.765
0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
−1.58 −1.42 −1.19 −0.87 −0.37 −0.15 0.16 0.50 0.76 1.51
−1.07 −0.96 −0.82 −0.61 −0.32 −0.23 −0.02 0.27 0.51 1.35

1.080 1.080 1.140 1.190 1.220 1.220 1.160 1.040 0.870 0.678
0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
−1.14 −0.97 −0.55 −0.37 −0.13 −0.05 0.26 0.57 1.12 2.06
−0.80 −0.69 −0.39 −0.30 −0.18 −0.18 0.05 0.33 0.90 2.00

1.190 1.180 1.190 1.210 1.200 1.170 1.080 0.936 0.765
0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04
−0.36 −0.20 −0.10 −0.05 0.03 0.13 0.29 0.73 1.45
−0.27 −0.16 −0.11 −0.11 −0.10 −0.05 0.07 0.49 1.31

1.240 1.220 1.210 1.190 1.150 1.070 0.956 0.798 0.627
0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.04
0.03 0.11 0.15 0.06 0.07 0.21 0.32 0.95 1.93
−0.02 0.06 0.07 −0.06 −0.09 0.00 0.09 0.75 1.89

1.200 1.180 1.150 1.110 1.040 0.932 0.798 0.654
0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.04
0.57 0.53 0.54 0.48 0.31 0.47 0.82 1.40
0.42 0.36 0.36 0.28 0.10 0.25 0.63 1.34

1.080 1.060 1.020 0.954 0.865 0.750 0.629
0.03 0.03 0.03 0.03 0.03 0.04 0.04
0.73 0.70 0.70 0.71 0.51 0.78 1.31
0.53 0.49 0.49 0.50 0.30 0.60 1.26

0.892 0.867 0.821 0.762 0.665 0.553
0.03 0.03 0.04 0.04 0.04 0.04
0.90 0.94 1.36 1.54 1.39 1.61
0.69 0.74 1.18 1.42 1.31 1.61

0.667 0.641 0.602
0.04 0.04 0.04 Rel. S.D. (%)
2.14 2.15 3.23
2.06 2.08 3.25

= McCARD power, Rel. S.D. (%) = relative standard deviation of .
= McCARD/SCAN power by infinite medium spectrum.
= McCARD/SCAN power by critical spectrum.
Diff.INF (%) = ()/  × 100, and Diff.CRI (%) = ()/  × 100.