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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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Latest News
NEA report calls for more accurate data on SNF heat decay
The OECD Nuclear Energy Agency has issued a report calling for more-detailed information on tracking the decay heat of spent nuclear fuel from light water reactors. According to the NEA, the report highlights the increasing importance of accurate decay heat estimations due to evolving fuel characteristics, including higher initial fuel enrichment, increased burn-up rates, and extended reactor cycle lengths.
The report, Summary of the NEA Assessment on Spent Nuclear Fuel Decay Heat for Light Water Reactors, summarizes the findings of a subgroup of the NEA’s Working Party on Nuclear Criticality Safety (WPNCS), which ran from January 2022 to January 2024.
Technical Session|Experimental Reactor Physics
Monday, April 22, 2024|3:30–5:15PM PDT|Franciscan B
Session Chair:
Jesson D. Hutchinson
Alternate Chair:
Catherine Percher (LLNL)
Session Organizer:
Luka Snoj
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Application of Monte Carlo Solver Solomon to Critical Mass Calculation of Fuel Randomization System
3:30–3:50PM PDT
Tomoaki Watanabe (Japan Atomic Energy Agency), Taro Ueki (Japan Atomic Energy Agency), Kenya Suyama (Japan Atomic Energy Agency)
Paper
Statistical Error Estimation of Autocorrelation Method Using Circular Block Bootstrap Method
3:50–4:10PM PDT
Ryoga Hirota (Nagoya Univ.), Tomohiro Endo (Nagoya Univ.), Akio Yamamoto (Nagoya Univ.), Kenichi Watanabe (Kyushu Univ.), Junichi H. Kaneko (Hokkaido Univ.)
Sensitivities of Configurations with Missing Fuel Rods
4:10–4:30PM PDT
Benjamin Dechenaux (IRSN)
Presentation Slides (Visible to Attendees)
Investigation of Subcriticality Monitoring Method Using Improved Simplest Reactivity Estimator with Bilateral Filter
4:30–4:50PM PDT
Taiyo Moribe (Nagoya Univ.), Tomohiro Endo (Nagoya Univ.), Akio Yamamoto (Nagoya Univ.), Junichi H. Kaneko (Hokkaido Univ.)
Evaluation of Thermal Scattering Law for U3Si2 Using Temperature-Dependent Phonon Density of States
4:50–5:10PM PDT
Junhyoung Gil (NCSU), Ayman I. Hawari (NCSU)
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