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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
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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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.”
A. Majid, M. Abdou
Fusion Science and Technology | Volume 10 | Number 3 | November 1986 | Pages 776-781
Impurity Control | Proceedings of the Seveth Topical Meeting on the Technology of Fusion Energy (Reno, Nevada, June 15–19, 1986) | doi.org/10.13182/FST86-A24834
Articles are hosted by Taylor and Francis Online.
A design window for a liquid metal cooled limiter is being sought to establish the viability of the use of liquid metals as coolants for the limiter. The problem is approached by first establishing the constraints, then defining the geometrical configuration and design parameters, and finally, by analyzing a limiter without coating. The maximum allowable heat flux is found to be ∼ 4 MW/m2. It can be increased to 5 MW/m2 if tapered or insulated feed pipes are used. The presence of coatings required to withstand particle erosion will further reduce the allowable heat flux.