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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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Nuclear Science and Engineering
November 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Surplus plutonium for power reactor fuel: What’s on offer
The Department of Energy has a plan for private companies to “dispose of surplus plutonium”—about 19.7 metric tons in both oxide and metal forms—by “making the materials available for advanced nuclear technologies.” A Surplus Plutonium Utilization Program request for applications (RFA) issued October 21 describes the plutonium on offer, and the “thresholds” prospective applicants must meet.
Technical Session|Fission Surface Power
Wednesday, May 7, 2025|3:15–4:55PM CDT|Atlantis/Discovery/Columbia (Marriott)
Session Chair:
Tyler Steiner (NASA Glenn Research Center)
Session Organizer:
Alternate Chair:
Robert Okojie (NASA Glenn Research Paper)
Track Organizer:
Harold Gerrish (Marshall Space Flight Center)
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SNAP-10A Experimental Criticality Benchmark Estimated By OpenMC Monte Carlo Code
3:15–3:40PM CDT
Zelong Zhao (CIAE), Gu Hu (CIAE)
Paper
Feasibility Assessment of Micro Molten Salt and Metal Reactor (MSMR) for Long Life Lunar Base Power
3:40–4:05PM CDT
Jaehyun Ryu (KAIST), Yonghee Kim (KAIST)
Multiphysics Modeling of SNAP 10A/2 Space Reactor with Cardinal
4:05–4:30PM CDT
Maximiliano Dalinger (Penn State), Elia Merzari (Penn State), Tri Nguyen (Penn State), Michael Seneca (Penn State), Richard Martineau (Sawtooth Simulation, LLC)
Optimization of the BISON UN Fission Gas Release and Swelling Model
4:30–4:55PM CDT
Zachary Miller (Univ. California, Berkeley), Massimiliano Fratoni (Univ. California, Berkeley), Alex Levinsky (LANL), Galen T. Craven (LANL), Christopher Matthews (LANL)
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