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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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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.”
K. Konashi, N. Sasao, P. Louvet, I. Sato, Y. Hirao
Fusion Science and Technology | Volume 20 | Number 4 | December 1991 | Pages 664-672
Accelerator/Reactor Waste Transmutation | doi.org/10.13182/FST91-A11946916
Articles are hosted by Taylor and Francis Online.
The transmutation of fission products by resonance capture is shown to be possible by using a moving concept target. Instead of controlling the neutron energy to irradiate the nuclei, the nuclei to be transmuted are accelerated toward a neutron thermal field. The transmutation rate of 99Tc is then reduced from 2.1 105 years to 14 hours. Possible experimental devices to realize this moving target and the required confinement time are described and studied briefly. They include a device using microparticles of fission products, as well as a concept derived from magnetic fusion. Both are compared with a different concept issued from inertial fusion.