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
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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|Panel|Sponsored by THD
Tuesday, June 17, 2025|10:00–11:45AM CDT|Chicago Ballroom B
Session Chair:
Kurshad Muftuoglu
Session Organizer:
Alternate Chair:
Baris Sarikaya
In an age that advanced nuclear reactors are at the forefront of the research community, we should not forget that future of the nuclear industry heavily depends on the safe, reliable, economic operation of the current LWR fleet. With the advances in modeling and simulation techniques, methodologies, tools, and with the significant operating experience, LWR fleet capacity factor and reliability have improved significantly over the last few decades. That said, changing economic priorities, development, and advancement of competing technologies, the LWR industry has been continuously investigating new initiatives using innovative solutions to further improve fleet's economics as well as overall safety of the plants. However, these new opportunities often present technical and regulatory challenges. Experts from LWR industry will discuss these challenges as well as the new opportunities identified while addressing these challenges via application of innovative solutions, such as for the fuel fragmentation relocation and dispersion (FFRD) and time at temperature (t@T) concepts.
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