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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.”
H. Branover, S. Sukorianksy, G. Talmage, E. Greenspan
Fusion Science and Technology | Volume 10 | Number 3 | November 1986 | Pages 822-829
Liquid-Metal Blankets and Magnetohydrodynamic Effects | Proceedings of the Seveth Topical Meeting on the Technology of Fusion Energy (Reno, Nevada, June 15–19, 1986) | doi.org/10.13182/FST86-A24840
Articles are hosted by Taylor and Francis Online.
Effects of anisotropic turbulence, which can develop in the flow of liquid metal in a transverse magnetic field, on the heat transfer-rate and on self-cooled blanket design and performance are investigated using recent experimental evidence and an approximate analytical model. It is found that the anisotropic turbulence might enhance the heat transfer rate by an order of magnitude without affecting the magnetohydrodynamics pressure drop. The enhanced heat transfer rate opens new interesting possibilities for the design of self-cooled liquid metal blankets, including the possibility of:(l)designing simple yet efficient poloidal-flow blankets, (2) reducing the pressure drop, and (3)increasing the exit coolant temperature and, hence, thermal-to-electrical energy conversion efficiency of conventional blanket concepts. A thorough investigation of the anisotropic turbulent flow phenomena is essential for enabling a realistic assessment of their implications. This investigation ought to include large-scale experiments that enable simulation of realistic fusion reactor conditions.