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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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
November 2025
Nuclear Technology
October 2025
Fusion Science and Technology
Latest News
Risk-informed, performance-based design in INL’s MARVEL reactor
The American Nuclear Society’s Risk-informed, Performance-based Principles and Policy Committee (RP3C) has held another presentation in its monthly Community of Practice (CoP) series. Former RP3C chair N. Prasad Kadambi opened the meeting with brief introductory remarks about the RP3C and the need for new approaches to nuclear design that go beyond conventional and deterministic methods. He then welcomed this month’s speaker: Doug Gerstner, a nuclear safety engineer at Idaho National Laboratory, who presented “Application of a Qualitative RIPB Approach for the MARVEL Microreactor at INL.”
Watch the full webinar here.
Technical Session|Sponsored by NCSD
Wednesday, November 12, 2025|3:15–5:00PM EST|Columbia 11
Session Chair:
Kristan M. Wessels
Alternate Chair:
Theresa E. Cutler
Session Organizer:
Benjamin Martin
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Near Miss Criticality Accident in FB-Line Slab Tank in 1984
3:15–3:35PM EST
Brittany M. Williamson (Spectra Tech), Jaylen Jones (Savannah River Nuclear Solutions)
Paper
Effects of Neutron Moderation on the Reactivity of Molten Chloride Fuel Salts
3:35–3:55PM EST
Jake Miles (Cambridge AtomWorks), IOANNIS KOURASIS (CORE POWER UK), Thomas Drury (TerraPower), Bobbi Riedel (TerraPower), Genève Magnan (University of Cambridge)
The Jupiter High 240Pu Critical Benchmark
3:55–4:15PM EST
John D. Bess (JFoster & Assoc.), David C. Shepherd (Missouri University of Science & Technology), Alexander T. McSpaden (LANL), Masahiro Fukushima (JAEA), Akito Oizumi (JAEA & LANL)
Temperature effects on Thermal Neutron Scattering in Beryllium Metal
4:15–4:35PM EST
Pavel G. Simeonov (TAMU), Junhyoung Gil (North Carolina State University), Nina C. Fleming (North Carolina State University), Ayman I. Hawari (North Carolina State University)
Using Machine Learning to Help Develop Nuclear Criticality Safety Evaluations
4:35–4:55PM EST
Anneli Brackbill (Univ. Tennessee, Knoxville), Vladimir Sobes (University of Tennessee Knoxville), James J. Kuropatwinski (LANL), Isaac J. Michaud (LANL)
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