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Division Spotlight
Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
Technical Session|Sponsored by NISD
Monday, June 16, 2025|3:15–5:00PM CDT|Los Angeles
Session Chair:
Aaron Epiney
Alternate Chair:
Mihai A. Diaconeasa
Session Organizer:
Yunfei Zhao
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Application of Deep Reinforcement Learning for Emergency Operation in Nuclear Power Plant
3:15–3:35PM CDT
YooJoon Seoung (Ulsan Nat'l Institute Science and Technology), Junyong Bae (Ulsan Nat'l Institute Science and Technology), SeungJun Lee (Ulsan Nat'l Institute Science and Technology)
Paper
LOCA Analysis of the Preliminary Fuel Concept for General Atomics Fast Modular Reactor
3:35–3:55PM CDT
Soon K. Lee (ANL), Yinbin Miao (ANL), Aaron Oaks (ANL), Shipeng Shu (ANL), Abdellatif M. Yacout (ANL), Jason Rizk (General Atomics), Oscar Gutierrez (General Atomics), Hangbok Choi (General Atomics)
Comparison of Gaussian Plume Model and Benchmark Studies for near field Dispersion
3:55–4:15PM CDT
Erik Hisahara (Penn State), Christopher T. Balbier (Penn State), Saya Lee (Penn State)
Elucidation on Structural Safety of Fuel-Cladding for PGSFR During DBEs
4:15–4:35PM CDT
WonSeok Ryoo (Chungang Univ.), Seo-Yoon Choi (Samsung Heavy Industries), Jaeho Jeong (Chungang Univ.)
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