Table 1: Design parameters of 1000 MWe PWR [27, 28].

Parameter Value

ReactorPWR
Fuel typeUO2
Average fuel enrichment wt%2.5%
Core-specific power (MWth/kg U)33.3
Core power density (MWth/m3)66.6
System pressure (MPa)15.166
Reactor coolant system pressure (MPa)14.96
Reactor coolant flow (kg/s)17387.7
Vessel height (m)12.41
Core active region height (m)3.65
Core diameter (m)3.81
Fuel rod assemblies193
Control rod assemblies76
Cladding materialZircaloy
Fuel rod outer diameter (cm)1.092
Rod pitch (cm)1.443
Fuel assembly matrix17 × 17
Coolant inlet temperature (K)564.81
Coolant outlet temperature (K)592.98
Control rods1420
Control rod materialAg (80%)-In (15%)-Cd (5%)