Research Article
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/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 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%) |
|
|