Page 180 - Managing Global Warming

Table 4.4 Typical basic parameters of US PWR NPP

Parameter Value
Thermal power (MW th ) 3800
Electrical power (MW el ) 1300
Thermal efficiency (%) 34
1
Specific power (kW (kg(U)) ) 33
1
Power density (kWL ) 102
1
Average linear heat flux (kWm ) 17.5
2
Rod heat flux average/max (MWm ) 0.584/1.46
Core
Length (m) 4.17
OD (m) 3.37

Reactor coolant system
Pressure (MPa) 15.5
Inlet temperature (°C) 292
Outlet temperature (°C) 329
1
Mass flow rate (m) (kgs ) 531
Steam generators
Total number 4
Outlet pressure (MPa) 6.9
Outlet temperature (°C) 284
1
Mass flow rate (kgs ) 528
Reactor pressure vessel (RPV)
OD (m) 4.4
Height (m) 13.6
Wall thickness (m) 0.22

Fuel
Fuel pellets UO 2
Pellet OD (mm) 8.19
Rod OD (mm) 9.5
Zircaloy clad (wall) thickness (mm) 0.57
Rods per bundle (17 17) 264
Bundles in core 193
Fuel loading (ton) 115
Enrichment (%) 3.2

Reactivity control
No. of control assemblies 68
Shape Rod clusters
Absorber rods per assembly 24
Neutron absorber Ag-In-Cd and/or B 4 C
Soluble poison shim Boric acid H 3 BO 3

Based on data from Shultis JK, Faw RE. Fundamentals of nuclear science and engineering, 2nd ed. Boca Raton, FL:
CRC Press; 2007. 591 pp.