Design Concept of Advanced Sodium-Cooled Fast Reactor and Related R&D in Korea

Table 2

Core function for TRU burning.

U core	Trans core	LTRU core	Trans core	MTRU core
Pure U core equilibrium; Open fuel cycle; LWR-TRU (LTRU) fuel demonstration; LTRU test zone install	U/LWR-TRU transition cycle; Open fuel cycle	LWR-TRU equilibrium; Open fuel cycle; LWR-TRU and self TRU mixed (MTRU) fuel demonstration	Transition core to final TRU core; Beginning of self cycle	Pure TRU core equilibrium (MTRU fuel equilibrium); FOAK role start