Naval Reactors History Database (nrhdb)
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1Title:  Reactor compartment package characteristics for several submarine and surface plants Add
 Summary:  This graphic shows reactor compartment package characteristics for some submarine and surface ship reactor plants. After decommmissioning, the reactor plant(s) in a submarine or ship are removed and packaged for storage at the Puget Sound Naval Shipyard. The compartments are then shipped to and stored at the Hanford Site in Washington state. The primary system components housed inside the reactor compartment include: the reactor pressure vessel, reactor shielding, main coolant pumps, pressurizer system, and steam generators. 
 Source:  http://www.fas.org/man/dod-101/sys/ship/eng/reactor.html 
 Reference:  United States Department of the Navy. Draft environmental assessment on the disposal of decommissioned, defueled naval reactor plants from USS Enterprise (CVN-65). U.S. Department of the Navy, 2011, pages 2-2 - 2-5. 
 Date:   unknown  
 Subject(s):  Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  GIF 
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2Title:  Pressurized-water naval nuclear propulsion system Add
 Summary:  A simplified view of the major primary and secondary components in a naval nuclear propulsion plant. The fuel elements, containing Uranium-235 pellets, are enclosed in the reactor vessel. Pressurized water is used to moderate neutrons in the reactor core and serves as the heat transfer medium. Heated water moves to the steam generator, where the heat transfer takes place between the primary and secondary loops. The main coolant pump then returns the relatively cool water to the reactor core. The pressurizer enables primary loop pressure control through heaters (to increase pressure) and spray (to reduce pressure). The steam produced in the steam generator is used to drive turbines for propulsion and electrical power. 
 Source:  http://www.fas.org/man/dod-101/sys/ship/eng/reactor.html 
 Reference:  Hewlett, Richard G., and Francis Duncan. Nuclear Navy, 1946-1962. Chicago: University of Chicago Press, 1974, pages 131-135. 
 Date:   unknown  
 Subject(s):  Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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3Title:  Simplified view of S8G naval nuclear propulsion plant Add
 Summary:  A simplified view of the S8G reactor used to power the Ohio-class Trident ballistic missile submarines. The S8G plant's two turbines provide 60,000 shp (thermal power, shaft horsepower), approaching twice the power produced by the S6G plant used to drive the Los Angeles-class attack submarines. Admiral Hyman Rickover, head of Naval Reactors when the Trident submarine was designed in the early 1970s, supported the 60,000 shp plant, which contributed to the submarine's large size (560 feet long, with a submerged displacement of 18,700 tons). 
 Source:  http://www.robse.dk/pages/SSBN/OhioFami.asp 
 Reference:  Polmar, Norman, and Thomas B. Allen. Rickover: Controversy and Genius, a Biography. New York: Simon and Schuster, 1984, pages 564-578. 
 Date:   unknown  
 Subject(s):  S8G | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  GIF 
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4Title:  Main coolant pump, lower section, at the Shippingport Atomic Power Station Add
 Summary:  A reactor coolant pump at the Shippingport Atomic Power Station. The pump circulated water (which served as both coolant and moderator in the pressurized water reactor plant) through the core and the steam generator. One centrifugal pump was installed in each of the plant's four reactor coolant loops. Each pump had two operating speeds, to save electrical power when the plant was operated at below 50% reactor power. 
 Source:  http://www.loc.gov/pictures/item/PA1658/ 
 Reference:  U.S. Atomic Energy Commission, Westinghouse Electric Corporation, Duquesne Light Company, and International Conference on the Peaceful Uses of Atomic Energy. The Shippingport Pressurized Water Reactor. Reading, Mass: Addison-Wesley Pub. Co, 1958, pages 15 and 31-32. 
 Date:   unknown  
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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5Title:  Lower section of plant pressurizer, Shippingport Atomic Power Station Add
 Summary:  The lower section of the pressurizer at the Shippingport Atomic Power Station. In a pressurized water reactor plant, the pressurizer is used to maintain satisfactory operating pressure. Primary pressure in increased through the operation of the removable heating elements visible on the right side of the pressurizer. Pressure is reduced through a spray nozzle at the top of the unit. The pressurizer is connected to the primary coolant system through the surge line (entering the bottom of the pressurizer) and the spray line (entering at the top). During normal power operations, steam is present above the pressurizer's water volume. 
 Source:  http://www.loc.gov/pictures/item/PA1658/ 
 Reference:  U.S. Atomic Energy Commission, Westinghouse Electric Corporation, Duquesne Light Company, and International Conference on the Peaceful Uses of Atomic Energy. The Shippingport Pressurized Water Reactor. Reading, Mass: Addison-Wesley Pub. Co, 1958, pages 235-238. 
 Date:   unknown  
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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6Title:  Downcomers and risers piping, Shippingport secondary plant Add
 Summary:  Piping for downcomers and risers in the B loop of the Shippingport Atomic Power Station. These pipes connected the loop's Babcock & Wilcox U-shell steam generator with a steam drum, and through the steam drum with the plant's secondary system. 
 Source:  http://www.loc.gov/pictures/item/PA1658/ 
 Reference:  U.S. Atomic Energy Commission, Westinghouse Electric Corporation, Duquesne Light Company, and International Conference on the Peaceful Uses of Atomic Energy. The Shippingport Pressurized Water Reactor. Reading, Mass: Addison-Wesley Pub. Co, 1958, page 33. 
 Date:   unknown  
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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