A conceptual design study on innovative FBR

An Actinide Recycle Reactor (ARR) with ductless fuel assemblies and mixed nitride fuel is studied in accordance with an Advanced Fuel Recycle System. The core is designed so that yield more economical efficiencies (high breeding ratio and high burnup), safety aspects (high Doppler reactivity coefficient, low void reactivity coefficient and reactor dynamic characteristics) in comparison with mixed oxide or metal fuel on a suitable condition. Preliminary calculations about key parameters of the core design performances had been done to compare with mixed oxide or metal fuel. Results that the mixed nitride fuel with a sodium bond and ZrH has promising capacity.