Modelling and Validation of CANDU Shim Operation Using Coupled TRACE/PARCS with Regulating System Response

Table 5

Effect of core nodalisation on reactivity device worths (in mk).

Device	13 planes	12 planes		26 planes
Liquid zones	5.763	5.347	(−7.22%)	5.571	(−3.33%)
Adjusters (all)	10.904	11.230	(+2.99%)	11.056	(+1.39%)
Adjuster bank A (type 3)	1.043	1.029	(−1.35%)	1.032	(−1.12%)
Adjuster bank B (type 3)	1.100	1.095	(−0.38%)	1.096	(−0.34%)
Adjuster bank C (type 2)	1.495	1.454	(−2.72%)	1.459	(−2.35%)
Adjuster bank D (type 4)	0.824	0.884	(+7.27%)	0.858	(+4.09%)
Adjuster bank E (type 1)	1.322	1.307	(−1.14%)	1.309	(−0.94%)
Adjuster bank F (type 3)	1.318	1.416	(+7.40%)	1.376	(+4.41%)
Adjuster bank G (type 2)	1.808	1.882	(+4.11%)	1.876	(+3.79%)
Adjuster bank H (type 1)	1.994	2.162	(+8.41%)	2.049	(+2.73%)