ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
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!
Latest Magazine Issues
Jul 2024
Jan 2024
Latest Journal Issues
Nuclear Science and Engineering
August 2024
Nuclear Technology
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 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.”
Hilbert Christensen
Nuclear Technology | Volume 155 | Number 3 | September 2006 | Pages 358-364
Technical Paper | Materials for Nuclear Systems | doi.org/10.13182/NT06-A3768
Articles are hosted by Taylor and Francis Online.
A previously developed radiolysis model has been used to simulate experiments from four laboratories. The source strengths in the experiments with UO2, doped with 238Pu, were 0.01, 0.1, and 1 Ci/g. The agreement was good with the experimental results of Stroes-Gascoyne et al. for their sample with 0.1 Ci/g. Their sample containing 0.01 Ci/g gave a factor-of-3-higher calculated corrosion rate compared with the experimental rate. In the experiments of Cobos et al. and of Kelm and Bohnert, using alpha-doped UO2, the calculated corrosion rates were somewhat lower than the experimental rates. However, recent experiments by Rondinella et al. using UO2 with 10% doped 233U gave considerably lower corrosion rates in good agreement with the model. The calculated corrosion rates for the same source strength were about the same for the experiments by Stroes-Gascoyne et al., Kelm and Bohnert, and Cobos et al. However, the experimental rates varied considerably. The agreement was not good with experiments using Pu(VI) dissolved in solution, in which case the calculated corrosion rate was ten times or more than ten times lower than the experimental rate. The reason for this disagreement could be a chemical effect of Pu(VI) in the solution.