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
Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
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!
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Jun 2025
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Nuclear Science and Engineering
July 2025
Nuclear Technology
June 2025
Fusion Science and Technology
Latest News
Nominations open for CNTA awards
Citizens for Nuclear Technology Awareness is accepting nominations for its Fred C. Davison Distinguished Scientist Award and its Nuclear Service Award. Nominations for both awards must be submitted by August 1.
The awards will be presented this fall as part of the CNTA’s annual Edward Teller Lecture event.
Technical Session|Sponsored by RPD
Wednesday, June 18, 2025|10:00–11:45AM CDT|Belmont
Session Chair:
Justin K. Watson
Alternate Chair:
Guillaume Giudicelli
Session Organizer:
Zeyun Wu
To access paper attachments, you must be logged in and registered for the meeting.
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A Higher-Order Transverse Leakage Using 2-D Reconstructed Flux in Nodal Expansion Method
10:00–10:20AM CDT
Junwoo Lee (Korea Advanced Institute of Science and Technology (KAIST)), Yonghee Kim (KAIST)
Paper
Time-Dependent Lattice Homogenization - A General Approach
10:20–10:40AM CDT
Eleodor M. Nichita (Ontario Tech University), Peter Schwanke (Ontario Tech University)
Use of System Dynamics Analysis Tool in Stability Analysis Applications for Flowing-Fuel Reactors
10:40–11:00AM CDT
Michael Parnell (TAMU), Thabit M. Abuqudaira (TAMU), Pavel V. Tsvetkov (TAMU), Piyush Sabharwall (INL)
Comparative Study of On-The-Fly Doppler Broadening Methods Considering Floating-Point Precision
11:00–11:20AM CDT
YuGwon Jo (Korea Atomic Energy Research Institute)
High-Fidelity Deterministic Solver for Pebble Bed Reactors
11:20–11:40AM CDT
Ludovic Jantzen (Univ. California, Berkeley), Massimiliano Fratoni (Univ. California, Berkeley)
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