Naval Reactors History Database (nrhdb)
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1Title:  Reactor shielding design manual Add
 Chapter title:  "Introduction and outline of basic shielding theory" 
 Summary:  This manual, edited by Theodore Rockwell of the early Naval Reactors group, is designed to provide an engineering overview of shielding design issues. The introductory chapter provides a pathfinder for the manual as a whole. Rockwell defines "shield engineering" as "the art of [lowering radiation levels] within specified limits of weight, volume, or cost" (4). He notes that neutron and gamma radiation are the primary focus of shield design and describes methods (such as the use of specific materials and shield compositions) used to achieve neutron and gamma-ray attenuation. 
 Source:  http://www.osti.gov/bridge 
 Date:   1956 
 Subject(s):  Reactor shielding | Nuclear engineering | Naval Reactors 
 Type:  Text 
 Format:  PDF 
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2Title:  Reactor shielding design manual Add
 Chapter title:  "Plant layout and other factors affecting total shield design" 
 Summary:  This manual, edited by Theodore Rockwell of the early Naval Reactors group, is designed to provide an engineering overview of shielding design issues. This chapter focuses on plant shielding design. It provides an overview of plant shielding needs and design goals for the primary and secondary shields. One important purpose of the primary shield concerns accessibility to the reactor compartment: "The reactor shield must reduce residual radiation from the core to levels allowing accessibility at a reasonable time after shutdown to the region between the coolant and reactor shields" (158). It also includes a listing of shielding design recommendations. To support self-shielding, "the most highly radioactive sources should be located in the center of the compartment, and components of lower source strength should be arranged progressively outward" (159). Additionally, "in plants having more than one primary loop, a symmetrical arrangement of primary loops around the primary shield should be adopted" (160). The chapter concludes with information on shielding in shipboard applications. 
 Source:  http://www.osti.gov/bridge 
 Date:   1956 
 Subject(s):  Reactor shielding | Naval Reactors 
 Type:  Text 
 Format:  PDF 
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3Title:  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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4Title:  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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5Title:  Babcock & Wilcox U-shell design steam generator Add
 Summary:  One of the two Babcock & Wilcox Company U-shell steam generators being placed in a boiler room at the Shippingport Atomic Power Station. Each steam generator contained 921 stainless steel tubes, with an outside diameter of 3/4 inch. The U-shaped shells were 38 inches in diameter. It had two hemispherical heads with pipe connections through which primary coolant entered and exited the steam generator. 
 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 33-34. 
 Date:  12 September 1956 
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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