A Design and Optimization Methodology for Liquid Metal Fast Reactors

Table 10

Seed design for the ENLFR.

Parameter	Seed design
Assembly pitch (cm)	16.106
Pitch-to-diameter ratio	1.1781
Number of fuel pins per assembly	91
Fuel pellet radius (cm)	0.5465
Fuel pin radius (cm)	0.6178
Fuel pin pitch (cm)	1.5244
Active fuel height (cm)	205.84
Inner core enrichment (%)	9.5345
Middle core enrichment (%)	12.791
Outer core enrichment (%)	14.259
Cycle length (EFPYs)	20.3
^15N enrichment (%)	93.0