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

<table>Neutron spectrum for the reference fuel assembly and for the fuel assemblies with moderating material based on different hydrogen carrying materials calculated with the 190 group library of HELIOS 1.9.</table>

Science and Technology of Nuclear Installations

fig3

Figure 3

Figure 3: Moderating Material to Compensate the Drawback of High Minor Actinide Containing Transmutation Fuel on the Feedback Effects in SFR Cores 