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.
Explore membership for yourself or for your organization.
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!
Latest Magazine Issues
Sep 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
October 2025
Nuclear Technology
September 2025
Fusion Science and Technology
Latest News
NNSA awards BWXT $1.5B defense fuels contract
The Department of Energy’s National Nuclear Security Administration has awarded BWX Technologies a contract valued at $1.5 billion to build a Domestic Uranium Enrichment Centrifuge Experiment (DUECE) pilot plant in Tennessee in support of the administration’s efforts to build out a domestic supply of unobligated enriched uranium for defense-related nuclear fuel.
Panel and Technical Session|Criticality Safety
Saturday, April 15, 2023|1:35–2:55PM EDT|Student Union 362C
Session Chair:
Katy Worrell (Univ. Tennessee, Knoxville)
Alternate Chair:
Matthew McMillan (Univ. Tennessee, Knoxville)
Session Organizer:
Lance M. Drouet (Univ. Tennessee, Knoxville)
This session is sponsored by the ANS Nuclear Criticality Safety Division.
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Design of a Subcritical Test Assembly at Oak Ridge National Laboratory
1:35–1:55PM EDT
Edward G. Fejedelem (Univ. Tennessee, Knoxville), Carson Sain (Univ. Tennessee, Knoxville), Chilson Whittum (Univ. Tennessee, Knoxville), Katy Worrell (Univ. Tennessee, Knoxville), Alexander Lang (ORNL), Mathieu Dupont (ORNL), Douglas G. Bowen (ORNL)
Paper
Consistency-Based Benchmark Rejection Used for Nuclear Criticality Safety Analysis Applications
1:55–2:15PM EDT
Jeongwon Seo (Purdue), Hany S. Abdel-Khalik (Purdue)
Heavy Water Experiment with Inherently Safe Subcritical Assembly (ISSA)
2:15–2:35PM EDT
Alessandra H. Totaro Villar (Univ. California, Berkeley), Speero M. Tannous (Univ. California, Berkeley), Émile Gateau (Univ. California, Berkeley)
Burnable Poison Loading Optimization
2:35–2:55PM EDT
Vitaliy Mykhnyak (Penn State), Devin J. Ortiz (Penn State), Andrew Broesder (Penn State)
To join the conversation, you must be logged in and registered for the meeting.