Naval Reactors History Database (nrhdb)
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1Title:  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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2Title:  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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3Title:  Reactor vessel closure head Add
 Summary:  The closure head is lowered to the top of the reactor vessel in the Shippingport Atomic Power Station. The closure head had 46 penetrations; 32 for the control rod drive mechanisms, along with refueling and instrumentation ports. The closure head was bolted and welded to the lower section of the reaction vessel to create a pressure-tight and leak-tight seal. 
 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:  20 April 1964 
 Subject(s):  Shippingport Atomic Power Station | Nuclear engineering | Naval Reactors 
 Type:  Image 
 Format:  JPEG 
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