Feasibility Study on the Initial Kartini Reactor Core Using Plate Type Fuel Elements

Table 5

Calculation results of reactor core reactivity for design 1.

Total number of FE in the core	The ID. Number of unloaded FE	Reactor core reactivity
		($)		($)		($)
		Baffle material		Baffle material		Baffle material
		Water	Graphite	Water	Graphite	Water	Graphite
13	—	11.86	19.94	−1.08	−9.50	15.66	15.04
12	6	8.54	16.59	4.28	−4.31	18.90	17.94
11	6, 8	4.36	12.50	8.32	−0.34	18.25	17.38
10	6, 8, 1	0.69	8.94	13.12	4.20	20.07	18.95
9	6, 8, 1, 12	−4.12	4.41	19.93	10.30	23.68	21.71
8	6, 8, 1, 12, 2	−8.65	−0.27	24.62	15.23	24.10	22.27