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Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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Latest News
Vogtle-3 shuts down for valve issue
One of the new Vogtle units in Georgia was shut down unexpectedly on Monday last week for a valve issue that has since been investigated and repaired. According to multiple local news outlets, Georgia Power reported on July 17 that Unit 3 was back in service.
Southern Company spokesperson Jacob Hawkins confirmed that Vogtle-3 went off line at 9:25 p.m. local time on July 8 “due to lowering water levels in the steam generators caused by a valve issue on one of the three main feedwater pumps.”
Steven J. Piet
Fusion Science and Technology | Volume 8 | Number 1 | July 1985 | Pages 77-89
Technical Paper | Blanket Comparison and Selection Study | doi.org/10.13182/FST85-A24675
Articles are hosted by Taylor and Francis Online.
The results of the safety evaluation of the Blanket Comparison and Selection Study (BCSS) are presented. The safety evaluation measured the relative safety and environmental attractiveness of the final group of BCSS blanket concepts for application with either a tokamak or tandem mirror fusion reactor. Two types of blankets were found to be the most attractive in the safety evaluation. One top-blanket-type is a helium-cooled HT-9 structure with a Li2O breeder, which is preferred if tritium effluent control is good; a lithium breeder would be the backup. The other top blanket concept is liquid-metal-cooled V-15 Cr-5 Ti structure with lithium coolant/breeder, preferred if air and water chemical reactions are adequately controlled; 17Li-83Pb would be the backup coolant/breeder material.