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Division Spotlight
Accelerator Applications
The division was organized to promote the advancement of knowledge of the use of particle accelerator technologies for nuclear and other applications. It focuses on production of neutrons and other particles, utilization of these particles for scientific or industrial purposes, such as the production or destruction of radionuclides significant to energy, medicine, defense or other endeavors, as well as imaging and diagnostics.
Meeting Spotlight
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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Nuclear Science and Engineering
August 2024
Nuclear Technology
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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.”
Erbang Hu, Rentai Yao, Zhanrong Gao, Shuxian Wang, Gang Jiang, Jia Yi Chen
Nuclear Technology | Volume 132 | Number 3 | December 2000 | Pages 339-351
Technical Paper | Fission Reactors | doi.org/10.13182/NT00-A3148
Articles are hosted by Taylor and Francis Online.
A set of deterministic and probabilistic models for estimating the accident washout factor are developed and established based on accident dispersion factor models given by current guidelines. The deterministic washout factor for different time intervals after accident release, the probabilistic washout factor, and the dose corresponding to various pathways are estimated based on the measured meteorological data on the site of a coastal nuclear power plant to be built in the southeastern part of China. The results show that for doses obtained from 0 to 8 h after a design-basis accident release, the external exposure dose from washout deposition given by the deterministic model is ~55% of that from dry deposition and 22% of individual effective dose (except wet deposition dose); the ratios of external exposure dose from washout to that from dry deposition and to effective dose (except wet deposition dose) given by the probabilistic model are ~5.73 and 2.29, respectively.