Pressurised Water Reactor

URI: https://gptkb.org/entity/Pressurised_Water_Reactor
GPTKB entity
Statements (55)
Predicate Object
gptkbp:instanceOf gptkb:nuclear_reactor
gptkbp:abbreviation PWR
gptkbp:advantage Complex design
Higher cost
Reduced risk of radioactive steam release
gptkbp:commonIn gptkb:China
gptkb:France
gptkb:Japan
gptkb:Russia
gptkb:South_Korea
gptkb:United_States
gptkbp:component Steam generator
Pressurizer
Control rods
Coolant pumps
Reactor vessel
gptkbp:contrastsWith gptkb:Boiling_Water_Reactor
gptkbp:coolantFlowType Pressurized liquid
gptkbp:coolantMaterial Light water
gptkbp:coolantTemperature ~300°C
gptkbp:coolingSystem gptkb:water
gptkbp:countryOfOrigin gptkb:United_States
gptkbp:emergencyCoolingSystem Yes
gptkbp:features Containment building
Negative temperature coefficient
gptkbp:fuelCladding Zirconium alloy
gptkbp:fuelEnrichment 3-5% U-235
gptkbp:fuelType Enriched uranium
Ceramic pellets
https://www.w3.org/2000/01/rdf-schema#label Pressurised Water Reactor
gptkbp:introducedIn 1950s
gptkbp:inventedBy gptkb:Samuel_Untermyer_II
gptkbp:laps 2 to 4
gptkbp:largestOperator gptkb:France
gptkbp:minimumPressure High
gptkbp:moderatorMaterial Light water
gptkbp:numberOfUnitsWorldwide Over 300
gptkbp:primaryLoopPressure ~155 bar
gptkbp:primaryUse Electricity generation
Naval propulsion
gptkbp:reactorType Thermal neutron reactor
gptkbp:regulates gptkb:Nuclear_Regulatory_Commission_(US)
gptkbp:secondaryLoop Yes
gptkbp:secondaryLoopPressure ~60 bar
gptkbp:shutdownMechanism Control rod insertion
gptkbp:steamGeneratorType U-tube
gptkbp:thermalEfficiency ~33%
gptkbp:usedIn Nuclear submarines
Commercial nuclear power plants
Nuclear aircraft carriers
gptkbp:usesModerator gptkb:water
gptkbp:bfsParent gptkb:UK_nuclear_power_stations
gptkb:UK's_nuclear_submarines
gptkb:British_nuclear_industry
gptkbp:bfsLayer 7