Open Access

Table 1

Main fuel assembly design parameters.

Parameter Value
Lattice type 19 × 19, square
Cladding material Advanced SS (FeCrAl)
Fuel rods per assembly 336
Fuel pellet material U3Si2
Fuel rod outer diameter (in) 0.36
Cladding thickness (in) 0.016
Pellet-clad gap width (in) 0.006
Pellet outer diameter (in) 0.316
Pellet inner void diameter (in) 0.1
Fuel pellet dishing (%) 0.3
Fuel density (% of theoretical) 95.5
Fuel rod pitch (in) 0.477

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