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
May 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Pacific Fusion predicts “1,000-fold leap” in performance, net facility gain by 2030
Inertial fusion energy (IFE) developer Pacific Fusion, based in Fremont, Calif., announced this morning that it is on target to achieve net facility gain—more fusion energy out than all energy stored in the system—with a demonstration system by 2030, and backs the claim with a technical paper published yesterday on arXiv: “Affordable, manageable, practical, and scalable (AMPS) high-yield and high-gain inertial fusion.”
Technical Session|Sponsored by THD
Tuesday, June 18, 2024|3:15–5:00PM PDT|Jasmine F
Session Chair:
Dillon R. Shaver (ANL)
Alternate Chair:
Lane B. Carasik (Virginia Commonwealth Univ.)
Session Organizer:
Jun Fang (ANL)
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
High-Fidelity Simulations of the Flow Instability in an Eccentric Annular Channel
3:15–3:35PM PDT
Carolina S.B. Dutra (Penn State), Tri Nguyen (Penn State), Elia Merzari (Penn State)
Paper
Update on HFIR Data Informed RANS Turbulence Modeling
3:35–3:55PM PDT
Emilian Popov (ORNL), Nicholas Mecham (NCSU)
Preliminary Computational Fluid Dynamics Analysis on Helical Cruciform Metal Fuel Subchannels for Enhanced Reactor Performance
3:55–4:15PM PDT
Hyeongi Moon (Hanyang Univ.), Minseop Song (Hanyang Univ.)
VERTEX-CFD: A Multiphysics Solver
4:15–4:35PM PDT
Marc-Olivier Delchini (ORNL), Kellis C. Kincaid (ORNL), Doug Stefanski (ORNL), Ryan Glasby (ORNL), Franklin Curtis (ORNL)
Simulations of the Effects of Gap Width on Flow and Heat Transfer Characteristics for Twisted Tape Inserts
4:35–4:55PM PDT
Sierra A. Tutwiler (Virginia Commonwealth Univ.), Lane B. Carasik (Virginia Commonwealth Univ.)
Preliminary LES of Cross Flow in the GOKSTAD Experimental Tube Bundle
4:55–5:15PM PDT
Trevor C. Franklin (Virginia Commonwealth Univ.), Lane B. Carasik (Virginia Commonwealth Univ.)
To join the conversation, you must be logged in and registered for the meeting.
