Moderating Material to Compensate the Drawback of High Minor Actinide Containing Transmutation Fuel on the Feedback Effects in SFR Cores

Table 1

Comparison of the transmutation efficiency between the reference cases without and the cases with moderating material for the different transmutation fuels.

Transmutation eff. (comparison)	Am-241	Am-243	Cm-242	Cm-244	Np-239
2% Np 2% Am EOL	3.87%	−1.28%	−2.68%	−9.18%	5.65%
3% Am EOL	4.27%	0.02%	−2.43%	−8.24%
5% Am EOL	4.04%	1.42%	−2.15%	−7.05%
8% Am EOL	3.59%	2.20%	−1.93%	−6.30%
2% Np 2% Am EOL	−2.9466𝐸−06	6.0580𝐸−07	2.1653𝐸−07	2.0270𝐸−06	−3.9219𝐸−06
3% Am EOL	−4.2160𝐸−06	−1.4000𝐸−08	2.6400𝐸−07	2.6060𝐸−06
5% Am EOL	−5.7900𝐸−06	−1.2410𝐸−06	3.2900𝐸−07	3.2740𝐸−06
8% Am EOL	−7.6950E − 06	−2.8100E − 06	4.1970E − 07	4.2524E − 06