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Division Spotlight
Operations & Power
Members focus on the dissemination of knowledge and information in the area of power reactors with particular application to the production of electric power and process heat. The division sponsors meetings on the coverage of applied nuclear science and engineering as related to power plants, non-power reactors, and other nuclear facilities. It encourages and assists with the dissemination of knowledge pertinent to the safe and efficient operation of nuclear facilities through professional staff development, information exchange, and supporting the generation of viable solutions to current issues.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
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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May 2025
Jan 2025
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Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
NRC dockets construction permit for Dow, X-energy SMR
The Nuclear Regulatory Commission has accepted Dow’s construction permit application to build an X-energy small modular reactor in Seadrift, Texas.
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Technical Session|Sponsored by NISD
Wednesday, June 18, 2025|1:00–2:45PM CDT|Chicago Ballroom C
Session Chair:
Sai Zhang
Alternate Chair:
Kevin A. Coyne
Session Organizer:
David Grabaskas
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A Revised JHEP Quantification Approach to Remove Conservatism and Improve Model Functionality for PRA Applications
1:00–1:20PM CDT
Annika MacLeod (Jensen Hughes), Robert Kirchner (Jensen Hughes), Kaydee Gunter (Jensen Hughes)
Paper
A Traceable Process for Evaluating the Novel Impacts of Digital Systems in Human Reliability Analysis (HRA)
1:20–1:40PM CDT
Mary Presley (EPRI), Kaydee Gunter (Jensen Hughes), Jeff Julius (Jensen Hughes)
Impact Assessment During the Migration of the Human Reliability Analysis to the HRACalculator® Tool in the LPSD PRA for Ascó 1&2 NPP
1:40–2:00PM CDT
Matilde Saiz Cordoba (Westinghouse Electric Spain, S.A.U.), Jose Ignacio Alonso Marin (Westinghouse Electric Co.), Vicente Nos (Westinghouse Technology Services), Hector Hernández Escolano (Asociación Nuclear Ascó-Vandellós)
Human Error Dependency Treatment in Human Reliability Analysis: Research Gaps and Opportunities
2:00–2:20PM CDT
Tingting Cheng (The B. John Garrick Institute for the Risk Sciences, UCLA), Ali Mosleh (The B. John Garrick Institute for the Risk Sciences, UCLA)
A Dynamic Human Reliability Analysis Approach Using Continuous Markov Chain Monte Carlo Method: Establishment of a Conceptual Computational Framework for Adaptation in Continuously Evolving Environments
2:20–2:40PM CDT
Chun-Yen LI (Central Research Institute of Electric Power Industry), Yukihiro Kirimoto (Central Research Institute of Electric Power Industry)
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