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
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Aug 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
September 2026
Nuclear Technology
Fusion Science and Technology
August 2026
Latest News
LANL’s ZiaCore microreactor reaches criticality
Last week, Los Alamos National Laboratory announced that its ZiaCore microreactor was brought to zero-power criticality at high temperatures in April through May of this year during four weeks of experiments on the Deimos testbed at the National Criticality Experiments Research Center (NCERC).
Technical Session|Sponsored by THD
Wednesday, June 18, 2025|1:00–2:45PM CDT|Chicago Ballroom B
Session Chair:
Subash Sharma (UML)
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Effect of Leak in the Upper Vessel Head of HTGRs on Onset of Natural Circulation
1:00–1:20PM CDT
Daniel W. Gould (Kansas State), John M. Matulis (Purdue Univ.), Hitesh Bindra (Purdue Univ.)
Presented by Broderick Sieh (Purdue Univ.)
Paper
Improvements of the Reactor Vessel Auxiliary Cooling System (RVACS) Models within SAS4A/SASSYS-1
1:20–1:40PM CDT
Yeongshin Jeong (ANL), Daniel O'Grady (ANL), Acacia J. Brunett (ANL)
A One-Dimensional Modelling Approach for Thermal Mixing and Stratification in Nuclear Reactors: Numerical Verification and Demonstration
1:40–2:00PM CDT
Eric Cervi (ANL), Grégoire Lebrun (ANL), Ling Zou (ANL), Rui Hu (ANL)
Simulations of Twisted Tape Inserts of Varying Twist Pitches to Understand Thermal Hydraulic Impacts in Fusion Energy Systems
2:00–2:20PM CDT
Gavin Standish (Virginia Commonwealth Univ.), Sierra Tutwiler (Virginia Commonwealth Univ.), Lane B. Carasik (Virginia Commonwealth Univ.)