ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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Division Spotlight
Materials Science & Technology
The objectives of MSTD are: promote the advancement of materials science in Nuclear Science Technology; support the multidisciplines which constitute it; encourage research by providing a forum for the presentation, exchange, and documentation of relevant information; promote the interaction and communication among its members; and recognize and reward its members for significant contributions to the field of materials science in nuclear technology.
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 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.”
Steven J. Stanley, Kat Lennox, Alex Jenkins
Nuclear Technology | Volume 183 | Number 2 | August 2013 | Pages 260-269
Technical Paper | Radiation Measurements and General Instrumentation | doi.org/10.13182/NT12-141
Articles are hosted by Taylor and Francis Online.
The RadBall is a 140-mm (5.5-in.)-diam deployable, passive, nonelectrical gamma hot-spot imaging device that offers a 360-deg view of the deployment area. The device is particularly useful in instances where the radiation fields inside a nuclear facility are unknown, but a suitable decommissioning strategy is required to be planned. The original version of the technology had a number of drawbacks including a relative insensitivity to radiation (at least 3 Gy required), which led to long deployment times, as well as a narrow target dose range (3 to 8 Gy), which meant that the user required prior knowledge of the radiation fields in which the device was to be deployed. The United Kingdom's National Nuclear Laboratory has developed the technology to overcome both of these issues. The developments associated with the new technology are described here, as are some recent tests undertaken at the Sellafield facility in the United Kingdom. The work has resulted in a significant improvement in sensitivity - 150 times - as well as greatly widened the target dose range to between 20 mGy and 50 Gy. The new version of the technology therefore has a much-improved applicability compared to the original technology.