Numerical Simulation of Decontamination of Airborne Fission Products during In-Vessel Release Phase by Containment Spray

Table 1

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

Parameter	Value
Reactor	PWR
Fuel type	UO2
Average fuel enrichment wt%	2.5%
Core-specific power (MWth/kg U)	33.3
Core power density (MWth/m^3)	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 assemblies	193
Control rod assemblies	76
Cladding material	Zircaloy
Fuel rod outer diameter (cm)	1.092
Rod pitch (cm)	1.443
Fuel assembly matrix	17 × 17
Coolant inlet temperature (K)	564.81
Coolant outlet temperature (K)	592.98
Control rods	1420
Control rod material	Ag (80%)-In (15%)-Cd (5%)