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

Table 5

Comparison of ’s for the three core problems.

Core state	Ref.^1  keff	McCARD/SCAN; (IMS-weighted FGC^2)		McCARD/SCAN; (CS-weighted FGC)
			Difference^3 (pcm)		Difference^3 (pcm)
No control devices	1.08709 ± 0.00001	1.08813	104	1.08655	−54
LZCs with 50% fill	1.08282 ± 0.00001	1.08381	99	1.08220	−62
All ADJs in	1.06977 ± 0.00001	1.07094	117	1.06934	−43

Continuous energy McCARD whole core transport calculation.
²Few-group constant.
³McCARD/SCAN   − Ref. .