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
Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
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
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
NRC news roundup
Here’s a look at some recent announcements from the Nuclear Regulatory Commission.
Summer SLR: The NRC this month published its final environmental impact statement for Summer Unit 1’s subsequent license renewal application. Dubbed a supplemental EIS, the report is an important step in determining if Dominion Energy can continue operating its 966-MWe Westinghouse pressurized water reactor unit for an additional 20 years beyond August 6, 2042, the current end of its license.
Technical Session|Experimental Reactor Physics
Tuesday, April 23, 2024|3:30–5:15PM PDT|Franciscan B
Session Chair:
Jesson D. Hutchinson
Alternate Chair:
Catherine Percher (LLNL)
Session Organizer:
Luka Snoj
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Pulsed Neutron Experiments in the Inherently Safe Subcritical Assembly
3:30–3:50PM PDT
D. Siefman (LLNL), W. Zywiec (LLNL), C. Percher (LLNL), D. Heinrichs (LLNL)
Paper
Critical Experiment Plans on the New STACY to Clarify the Criticality Characteristics of the Molten Core-Concrete Interaction Products
3:50–4:10PM PDT
Satoshi Gunji (Japan Atomic Energy Agency), Shouhei Araki (Japan Atomic Energy Agency), Kazuhiko Izawa (Japan Atomic Energy Agency), Kenya Suyama (Japan Atomic Energy Agency)
Designing a Deimos-Based Microreactor Criticality Experiment with MCNP and Whisper
4:10–4:30PM PDT
Alexis Maldonado (LANL), Keenan J. Hoffman (LANL), Kristin N. Stolte (LANL), Christopher Perfetti (Univ. New Mexico), Theresa E. Cutler (LANL), Holly R. Trellue (LANL)
Presentation Slides (Visible to Attendees) — Presentation
The National Criticality Experiments Research Center: Capability Expansion and Experiments in the Last Three Years
4:30–4:50PM PDT
George E. McKenzie (LANL), Theresa E. Cutler (LANL), Travis J. Grove (LANL), Jesson D. Hutchinson (LANL), Juliann R. Lamproe (LANL), Nicholas W. Thompson (LANL), Nicholas H. Whitman (LANL), Joetta M. Goda (LANL)
Hermes Reactor Demonstration, Initial Startup and Physics Testing
4:50–5:10PM PDT
N. Satvat (Kairos Power), K. Riley (Kairos Power), F. Vitullo (Kairos Power), R. Hernandez (Kairos Power), M. Fratoni (Univ. California, Berkeley), B. Haugh (Kairos Power), E. Blandford (Kairos Power)
To join the conversation, you must be logged in and registered for the meeting.
