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Nuclear Installations Safety
Devoted specifically to the safety of nuclear installations and the health and safety of the public, this division seeks a better understanding of the role of safety in the design, construction and operation of nuclear installation facilities. The division also promotes engineering and scientific technology advancement associated with the safety of such facilities.
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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.”
P. Mayo, F. Rodenas, J. M. Campayo, A. Pascual, B. Marín, G. Verdú
Nuclear Technology | Volume 168 | Number 1 | October 2009 | Pages 235-237
Phantoms | Special Issue on the 11th International Conference on Radiation Shielding and the 15th Topical Meeting of the Radiation Protection and Shielding Division (Part 1) / Radiation Measurements and Instrumentation | doi.org/10.13182/NT09-A9132
Articles are hosted by Taylor and Francis Online.
The development of specific phantoms to study the image obtained by computerized and direct digital radiographic equipment is the objective of this work to characterize the physical properties of the image chain. We have developed a specific phantom, named RACON, that is applied to an acceptance and constancy test to assess the image quality of digital radiographic equipment. This phantom has been designed with different test objects recommended by international and national associations (IEC-61223-2-9, RD 1976-1999) as low-contrast objects varying in diameter and size for threshold contrast resolution, a high-resolution test for the limiting spatial resolution, a dynamic step wedge for the dynamic range of the system, and a homogeneity zone and alignment marks for the position and size of the radiation field. Furthermore, we have developed specific software to analyze automatically and objectively the phantom images. The algorithms are based on digital image processing techniques, and they have been specifically designed for each test object in the phantom. The developed phantom is sensitive enough to the operating conditions of the radiographic digital system, and the automatic image evaluation allows the objective study of the global state of the image system.