ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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Division Spotlight
Fuel Cycle & Waste Management
Devoted to all aspects of the nuclear fuel cycle including waste management, worldwide. Division specific areas of interest and involvement include uranium conversion and enrichment; fuel fabrication, management (in-core and ex-core) and recycle; transportation; safeguards; high-level, low-level and mixed waste management and disposal; public policy and program management; decontamination and decommissioning environmental restoration; and excess weapons materials disposition.
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|New and Advanced Reactors
Monday, August 21, 2023|3:30–5:10PM EDT|Embassy
Session Chair:
Ferry Roelofs (Nuclear Research & Consultancy Group)
Alternate Chair:
Rui Hu (ANL)
Session Organizer:
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NekRS CFD Simulations of Interassembly Flow in Sodium Fast Reactors
3:30–3:50PM EDT
A.J. Novak (ANL), C. Bourdot Dutra (Penn State), D. Shaver (ANL), E. Merzari (Penn State)
Paper
Flow Decomposition and Reconstruction Using Proper Orthogonal Decomposition for a Porous Blocked Subchannel in a 61-Pin Wire-Wrapped Fuel Assembly
3:50–4:10PM EDT
Craig Menezes (TAMU), Matthew Kinsky (TAMU), Trevor Melsheimer (TAMU), Dalton Pyle (TAMU), Yassin A. Hassan (TAMU)
RANS Simulations of Jet Flow and Thermal Stratification Phenomena in the TALL-3D Facility Subjected to Different Flow Regimes
4:10–4:30PM EDT
M.M.M.D. Hussain (Nuclear Research & Consultancy Group), H.J. Uitslag-Doolaard (Nuclear Research & Consultancy Group), F. Roelofs (Nuclear Research & Consultancy Group), X. Huang (Univ. Sheffield), S. He (Univ. Sheffield)
Numerical Simulation of Turbulent Mixing in Wire-Wrapped Fuel Assembly of Liquid Lead-Bismuth-Cooled Fast Reactor
4:30–4:50PM EDT
Sipeng Wang (Nanjing Univ. Aeronautics and Astronautics), Qindong Zhang (Nanjing Univ. Aeronautics and Astronautics), Bao-Wen Yang (DEQD Institute for Advanced Research in Multiphase Flow and Energy Transfer)
Presentation Video (Visible to Attendees) — Pre-recorded presentation of Sipeng Wang
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