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Division Spotlight
Nuclear Nonproliferation Policy
The mission of the Nuclear Nonproliferation Policy Division (NNPD) is to promote the peaceful use of nuclear technology while simultaneously preventing the diversion and misuse of nuclear material and technology through appropriate safeguards and security, and promotion of nuclear nonproliferation policies. To achieve this mission, the objectives of the NNPD are to: Promote policy that discourages the proliferation of nuclear technology and material to inappropriate entities. Provide information to ANS members, the technical community at large, opinion leaders, and decision makers to improve their understanding of nuclear nonproliferation issues. Become a recognized technical resource on nuclear nonproliferation, safeguards, and security issues. Serve as the integration and coordination body for nuclear nonproliferation activities for the ANS. Work cooperatively with other ANS divisions to achieve these objective nonproliferation policies.
Meeting Spotlight
Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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Latest News
Article considers incorporation of AI into nuclear power plant operations
The potential application of artificial intelligence to the operation of nuclear power plants is explored in an article published in late December in the Washington Examiner. The article, written by energy and environment reporter Callie Patteson, presents the views of a number of experts, including Yavuz Arik, a strategic energy consultant.
Truong V. Vo, Patrick G. Heasler, Steven R. Doctor, Frederic A. Simonen, Bryan F. Gore
Nuclear Technology | Volume 96 | Number 3 | December 1991 | Pages 259-271
Technical Paper | Nuclear Reactor Safety | doi.org/10.13182/NT91-A34588
Articles are hosted by Taylor and Francis Online.
As part of the nondestructive evaluation reliability program sponsored by the U.S. Nuclear Regulatory Commission (NRC), Pacific Northwest Laboratory (PNL) developed a risk-based method for establishing inspection priorities for systems and components at nuclear power plants. In this method, the results of probabilistic risk assessment (PRA) are used to estimate the safety consequences of component failures. The method also requires estimates of the probabilities of structural failures. Since sufficient operating experience data and detailed fracture mechanics analyses are not available, an expert judgment elicitation is conducted to estimate component rupture probabilities. (An expert judgment process is generally adapted from the NRC severe accident risk program.) The plant selected for the detailed evaluation is the Surry nuclear power station Unit 1 (Surry-1). Systems selected for analysis are the reactor pressure vessel, the reactor coolant, the low-pressure injection including the accumulators, and the auxiliary feedwater. Additional technical information is gathered regarding the elicited issues. The data appear to be reasonable, and they generally agree with and reflect Surry-1 plant operating experience. Typical areas of concern correspond to such factors as high stresses (e.g., places where mixing of fluids with large temperature differences occurs) and places where erosion or corrosion effects are active. These results will be used by PNL in an ongoing pilot study based on the PRA results and other relevant information in determining the inspection priorities for systems and components at the Surry power plant.