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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
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott 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
May 2025
Jan 2025
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Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
NRC v. Texas: Supreme Court weighs challenge to NRC authority in spent fuel storage case
The State of Texas has not one but two ongoing federal court challenges to the Nuclear Regulatory Commission that could, if successful, turn decades of NRC regulations, precedent, and case law on its head.
Technical Session
Wednesday, July 24, 2024|1:15–3:05PM CDT|Senate A/B
Session Chair:
Heena Mutha (Commonwealth Fusion Systems)
Alternate Chair:
Thomas Fuerst (INL)
Session Organizer:
Jan W. Coenen (FZK Julich)
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A Cryogenic Solution for Direct Internal Recycling
1:15–1:40PM CDT
T.E. Gebhart (ORNL), L.R. Baylor (ORNL), N. Adhikari (ORNL), Y. Xu (ORNL)
Paper
Direct Internal Recycling Fractions Approaching 100% with Metal Foil Pumps
1:40–2:05PM CDT
Chao Li (Colorado School of Mines), J. Douglas Way (Colorado School of Mines), Thomas F. Fuerst (INL), Colin A. Wolden (Colorado School of Mines)
Scaling of Cryogenic Pellet Injection Extruder Performance
2:05–2:25PM CDT
S.J. Meitner (ORNL), L.R. Baylor (ORNL), W.D. McGinnis (ORNL)
Determining Cryogenic Sticking Coefficients of Fusion Reactor Impurities for the Design of a Cryopump-Based Direct Internal Recycling System for the Fusion Fuel Cycle
2:25–2:45PM CDT
N. Adhikari (ORNL), T. Gebhart (ORNL), L. Baylor (ORNL)
High-Fidelity CFD Modeling Strategies of Cryogenic Hydrogen Isotope Extrusion for Fusion Reactor Pellet Fueling
2:45–3:05PM CDT
Yuqiao Fan (ORNL), Steven J. Meitner (ORNL), Larry R. Baylor (ORNL)
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