Research Article
Core Flow Distribution from Coupled Supercritical Water Reactor Analysis
Table 1
SCWR nominal design parameters (Buongiorno et al., 2003 [
3]).
| Fuel pin | Core |
| Fuel material | UO2 | Thermal power | 3575 MW | Fissile enrichment | 5% | Number of fuel assemblies | 148 | Fuel radius | 0.436 cm | Active height | 4.27 m | Cladding material | Stainless steel | Effective diameter | 3.93 m | Cladding thickness | 0.063 cm | Volumetric power density | 69 MW/m3 | Fuel pitch | 1.12 cm | Average linear heat rate | 19.2 kW/m | P/D | 1.12 | | |
| Fuel assembly | Thermal-hydraulic parameters |
| Number of fuel rods | 300 | System pressure | 25 MPa | Number of water rods | 36 | Coolant flow rate | 1843 kg/s | Number of control rods | 16 | Moderator bypass, | 10% (184 kg/s) | Assembly pitch | 28.6 cm | Inlet temperature | 280°C | Water rod width | 3.36 cm | Outlet temperature | 500°C | Water rod wall thickness | 0.04 cm | Thermal efficiency | 44.80% |
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