S2W nuclear reactor

E254251

The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.

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Statements (43)

Predicate Object
instanceOf naval nuclear reactor
pressurized water reactor
application military naval propulsion
associatedWith Admiral Hyman G. Rickover
linked to: Hyman G. Rickover
coolant light water
countryOfOrigin United States
designationMeaning_2 second-generation core design
designationMeaning_S submarine platform
designationMeaning_W Westinghouse as designer
designationScheme S2W
designedFor submarine propulsion
developedBy Westinghouse Electric Corporation
developedFor United States Navy nuclear submarine program
enabledCapability long-endurance under-ice and blue-water submarine operations
energySource nuclear fission
era Cold War
firstCriticalityApproximate early 1950s
firstOperationalUseApproximate mid-1950s
fuelType enriched uranium
heatTransferMedium water
historicalSignificance pioneered practical naval nuclear propulsion
influenced later U.S. Navy submarine reactor designs
installedOn USS Nautilus (SSN-571)
linked to: USS Nautilus
locationOfUse United States Navy submarine fleet
moderator light water
notableFor powering the world’s first operational nuclear-powered submarine
notableVessel USS Nautilus (SSN-571)
linked to: USS Nautilus
operator United States Navy
partOf U.S. Navy S-series submarine reactor family
linked to: S2W nuclear reactor
powerConversionSystem steam turbine
powered USS Nautilus (SSN-571)
linked to: USS Nautilus
primaryUse marine propulsion
program U.S. Navy nuclear propulsion program
propulsionTypeEnabled nuclear-powered steam turbine propulsion
reactorCoolantSystem pressurized primary loop
reactorCoreType light water moderated
reactorGeneration second-generation submarine reactor
reactorType pressurized water reactor
safetyConcept pressurized water reactor containment and shielding
serviceBranch United States Navy
status retired
usedFor extended submerged operations
usedIn USS Nautilus (SSN-571)
linked to: USS Nautilus

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Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

USS Nautilus powerplant S2W nuclear reactor
S2W nuclear reactor partOf U.S. Navy S-series submarine reactor family
linked to: S2W nuclear reactor