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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!
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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|Space Nuclear Propulsion
Tuesday, May 6, 2025|1:00–2:40PM CDT|SPOC B (Space & Rocket Center)
Session Chair:
Joel Krakower (NASA Glenn Research Center)
Alternate Chair:
Arne Croell (NASA Marshall Space flight Center)
Track Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
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Initial Atmospheric Results for Simulating a Centrifugal Nuclear Thermal Rocket Engine
1:00–1:25PM CDT
Timothy Blackman (Univ. Alabama, Hunstville), Julia Kondrat'yev (Univ. Alabama, Huntsville), Olivia Williams (Univ. Alabama, Huntsville), Robert Frederick (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)
Paper
Preliminary Results of a Multiphase Flow Heat Transfer Experiment for a Centrifugal Nuclear Thermal Rocket
1:25–1:50PM CDT
Ines de Villarreal (NASA Marshall Space Flight Center), Bandar Alrugebh (Drexel Univ.), Theodore Van de Water (Drexel Univ.), Vincent Angeline (Drexel Univ.), Amine Mrad (Drexel Univ.), Mikin Patel (Drexel Univ.), Augustin Demonceaux (Amentum Space Exploration Group), Kylie Braunhardt (New Mexico State), Joel Krakower (NASA Glenn Research Center)
Progress on Developing a Prototypic Centrifugal Fuel Element Test Stand for CNTP Engine
1:50–2:15PM CDT
Spencer Christian (Ohio State), Calvin Chandler (Ohio State), Joshua Naudet (Ohio State), Rahul Ravishankar (Ohio State), Zachary Smith (Ohio State), Hao Yu (Ohio State), Will Fink (Ohio State), Ryan Halloran (Ohio State), Zain Hamid (Ohio State), Luke Horne (Ohio State), Matthew Kogler (Ohio State), Huangcheng Yu (Ohio State), John M. Horack (Ohio State)
Mitigating Liquid Over-Compressibility in Liquid-Gas Models for Centrifugal Nuclear Thermal Propulsion Systems
2:15–2:40PM CDT
Pongkrit Darakorn Na Ayuthya (Univ. Alabama, Hunstville), Jason Cassibry (Univ. Alabama, Hunstville)
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