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Division Spotlight
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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Fusion Science and Technology
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 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. 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.”
N. Vetcha, S. Smolentsev, M. Abdou
Fusion Science and Technology | Volume 60 | Number 2 | August 2011 | Pages 518-522
Blanket Design and Experiments | Proceedings of the Nineteenth Topical Meeting on the Technology of Fusion Energy (TOFE) (Part 2) | doi.org/10.13182/FST60-518
Articles are hosted by Taylor and Francis Online.
An approach developed in earlier work to study the hydrodynamic stability of the buoyancy assisted flow in DCLL blanket based on the solution of the Orr-Sommefeld equation for MHD flows is used here to address the stability of the buoyancy-opposed (downward) flows in the DCLL blanket conditions. The present analysis predicts that downward flows in DCLL blanket conditions will likely be hydrodynamically unstable and eventually turbulent due to the development of either inflectional instability or boundary layer instability.