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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
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver 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
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Latest News
Two updated standards on criticality safety published
The American National Standards Institute (ANSI) recently approved two new American Nuclear Society standards covering different aspects of nuclear criticality safety (NCS).
Nuclear Criticality Safety Division Topical Meeting (NCSD 2022)
Technical Session
Wednesday, June 15, 2022|8:00–9:45AM PDT|El Capitan A
Session Chairs:
Kermit A. Bunde (DOE-ID)
Shauntay Coleman (LLNL)
Session Organizer:
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Update of the Nuclear Criticality Slide Rule: Review of the Estimation of the Number of Fissions
Matthieu Duluc (IRSN), Johann Herth (IRSN), Tristan Adatte (IRSN), David P. Heinrichs (LLNL), Soon Kim (LLNL), Doug Bowen (ORNL), Cihangir Celik (ORNL), Mathieu Dupont (ORNL)
Paper
Update of the Nuclear Criticality Slide Rule Calculations: Plutonium Systems – Delayed Fission Gamma
Johann Herth (IRSN), Matthieu Duluc (IRSN), Tristan Adatte (IRSN), Dave Heinrichs (LLNL), Soon Kim (LLNL), Doug Bowen (ORNL), Cihangir Celik (ORNL), Mathieu Dupont (ORNL)
CAAS Replacement in Enduring Facilities
Timothy Jackson (Y-12 National Security Complex), James Yugo (Y-12 National Security Complex), Jeff Goodman (Y-12 National Security Complex), Chris Haught (Y-12 National Security Complex)
Pressurized Gases as Neutron Reflectors
Trevor Stewart (LANL), Ning Zhang (LANL)
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