PWR (Pressurized Water Reactor)

URI: https://gptkb.org/entity/PWR_(Pressurized_Water_Reactor)
GPTKB entity
Statements (51)
Predicate Object
gptkbp:instanceOf gptkb:nuclear_reactor
gptkbp:commercialUse gptkb:Shippingport_Atomic_Power_Station
gptkbp:comparedToBWR lower risk of radioactive steam release
more complex design
gptkbp:controlRodsMaterial boron
silver-indium-cadmium alloy
gptkbp:coolantFlowDirection upward through core
gptkbp:coolantLoops two
gptkbp:coolantPressureTypical about 155 bar
gptkbp:coolingSystem gptkb:water
light water
gptkbp:dominantIn gptkb:China
gptkb:France
gptkb:Russia
gptkb:United_States
gptkbp:emergencyCoolingSystem present
gptkbp:features negative temperature coefficient
gptkbp:firstCommercialUseYear 1957
gptkbp:fuelCladding zirconium alloy
gptkbp:fuelEnrichment 3-5% U-235
gptkbp:fuelType enriched uranium
gptkbp:fullName gptkb:Pressurized_Water_Reactor
https://www.w3.org/2000/01/rdf-schema#label PWR (Pressurized Water Reactor)
gptkbp:inventedBy gptkb:Westinghouse_Electric_Corporation
gptkbp:mainCountriesUsing gptkb:China
gptkb:France
gptkb:Japan
gptkb:Russia
gptkb:South_Korea
gptkb:United_States
gptkbp:modulatedBy gptkb:water
gptkbp:numberOfUnitsWorldwide over 300
gptkbp:primaryCoolantBoiling does not boil
gptkbp:primaryCoolantPressure high
gptkbp:primaryUse electricity generation
naval propulsion
gptkbp:reactorCore cylindrical
gptkbp:reactorType thermal neutron reactor
gptkbp:reactorVesselMaterial gptkb:steel
gptkbp:secondaryLoop present
gptkbp:secondarySteamPressure about 70 bar
gptkbp:shutdownMechanism insertion of control rods
gptkbp:steamGenerator present
gptkbp:thermalEfficiency about 33%
gptkbp:usedIn commercial nuclear power plants
nuclear submarines
nuclear aircraft carriers
gptkbp:usesModerator light water
gptkbp:wasteType spent nuclear fuel
gptkbp:bfsParent gptkb:Block_III_(nuclear_reactor)
gptkbp:bfsLayer 6