ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
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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Apr 2025
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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
Thursday, October 7, 2021|10:40AM–12:20PM EDT
Session Chair:
Jason Hou (NC State Univ.)
Session Organizer:
Terry S. Haut (LLNL)
Student Producer:
Johnny Klemes (NC State Univ.)
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To access paper attachments, you must be logged in and registered for the meeting.
Simplified Thermal Expansion Modeling for Liquid Metal-Cooled Fast Reactors
10:40–11:05AM EDT
William C. Dawn (NC State Univ.), Scott Palmtag (NC State Univ.)
Paper
First Approach to Analyse Control Rod Withdrawal Transient in SFR With a Multi-Physics Methodology
11:05–11:30AM EDT
Marlène Jeannin (CEA), Vincent Pascal (CEA), Victor Blanc (CEA), Jean-Baptiste Droin (CEA), Laurent Buiron (CEA), Pablo Rubiolo (LPSC)
Coupled Multiphysics Multiscale Transient Simulations of the Mk1-FHR Reactor Using Finite Volume Capabilities of the MOOSE Framework
11:30–11:55AM EDT
Guillaume Giudicelli (INL), Alexander Lindsay (INL), Paolo Balestra (INL), Robert Carlsen (INL), Javier Ortensi (INL), Derek Gaston (INL), Mark DeHart (INL), Abdalla Abou-Jaoude (INL), April J. Novak (ANL)
Multi-Objective Genetic Algorithm for Fast Reactor Reloading Optimization with Approximate Fitness Evaluation
11:55AM–12:20PM EDT
Michael Jarrett (ANL), Florent Heidet (ANL)
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