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:  Shippingport reactor pressure vessel Add
 Summary:  The reactor pressure vessel for the Shippingport Atomic Power Station is unloaded from a rail car in the plant's fuel handling building. According to historians Richard Hewlett and Francis Duncan, the Shippingport plant was "the world's first full-scale electrical generating plant using nuclear energy." In part owing to Hyman Rickover's success in building the Mark I (S1W) plant in a joint Atomic Energy Commission-Navy project, the AEC approved a proposal that had Rickover and his organization manage the design and construction of the Shippingport plant. 
 Source:  http://www.loc.gov/pictures/item/PA1658/ 
 Reference:  Hewlett, Richard G., and Francis Duncan. Nuclear Navy, 1946-1962. Chicago: University of Chicago Press, 1974, pages 225-257. 
 Date:  10 October 1956 
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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5Title:  Reactor core being lowered into pressure vessel Add
 Summary:  The reactor core is lowered into the pressure vessel at the Shippingport Atomic Power Station. The Shippingport plant was "the first large-scale central station nuclear power plant in the United States and the first plant of such size in the world operated solely to produce electrical power." Based upon the demonstrated success of Naval Reactors in the development of pressurized water reactor plants, starting with the Mark I/S1W plant, Admiral Hyman Rickover was assigned responsibility for the Shippingport project by the Atomic Energy Commission. Consistent with the practice used for S1W's design and construction, the AEC contracted with Westinghouse Electric for the Shippingport's plant, with Naval Reactors again serving in its oversight role for the design, development, and construction activities at the Shippingport station. 
 Source:  http://explorepahistory.com/displayimage.php?imgId=7290 
 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 v-viii. 
 Date:   1957 
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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6Title:  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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7Title:  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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8Title:  Reactor vessel positioned on its side Add
 Summary:  The lower portion of the 264 ton reactor vessel, used for the Shippingport Atomic Power Station. The vessel is positioned on its side in Shippingport's fuel handling building prior to its installation in the plant. The reactor vessel housed the reactor's fuel assembly, control rods, and thermal shields. Pressurized water flows from each of the loops into the four inlet nozzles at the vessel's bottom; heated water flows to each of the loops from the four outlet nozzles at the top. 
 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 63-69. 
 Date:  10 October 1956 
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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9Title:  Thermal shields centered over reactor vessel Add
 Summary:  The thermal shield positioned above the Shippingport reactor vessel. The core's thermal shields consisted of two stainless steel cylinders which rested inside the vessel. The shields reduced the core's radiation and, thus, the heat generated in the reactor's pressure vessel. 
 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 69-70. 
 Date:  11 April 1964 
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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10Title:  Thermal shield being lowered into Shippingport reactor vessel Add
 Summary:  The thermal shield, which reduces the radiation that reaches the core vessel wall, being lowered into the Shippingport Atomic Power Station's reactor vessel. The shield rested on a support ledge inside the vessel. 
 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 69-70. 
 Date:  11 April 1964 
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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