Page 182 - Managing Global Warming

Current and future nuclear power reactors and plants 145

Table 4.7 Typical parameters of US BWR (Shultis and Faw [7])
Parameter Value
Thermal output (MW th ) 3830
Electrical output (MW el ) 1330
Thermal efficiency (%) 34
1
Specific power (kW (kg(U)) ) 26
1
Power density (kWL ) 56
1
Average linear heat flux (kWm ) 20.7
2
Rod heat flux ave./max (MWm ) 0.51/1.12
Core
Length (m) 3.76
OD (m) 4.8
Reactor-coolant system
Pressure (MPa) 7.17
Feed-water temperature (°C) 216
Outlet steam temperature (°C) 290
1
Outlet steam flow rate (kgs ) 2083
1
Core flow rate (kgs ) 14,167
Core void fraction ave./max 0.37/0.75
Reactor-pressure vessel
ID (m) 6.4
Height (m) 22.1
Wall thickness (m) 0.15

Fuel
Fuel pellets UO 2
Pellet OD (mm) 10.6
Rod OD (mm) 12.5
Zircaloy clad (wall) thickness (mm) 0.86
Rods per bundle (8 8) 62
Bundles in core 760
Fuel loading (ton) 168
Enrichment (%) 1.9
Reactivity control
No. of control assemblies 193
Shape Cruciform
Overall length (m) 4.42
Length of poison section (m) 3.66
Neutron absorber Boron carbide
Soluble poison shim Gadolinium