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
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
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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Apr 2025
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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|Sponsored by THD
Wednesday, June 19, 2024|8:00–9:45AM PDT|Jasmine F
Session Chair:
Nadish Saini (ANL)
Session Organizer:
Alternate Chair:
Rui Hu (ANL)
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Simulations of Two-Phase Boiling Flow in a 5x5 Rod Bundle with Spacer Grids Under PWR Conditions
8:00–8:20AM PDT
Prasad Vegendla (ANL), Adrian Tentner (ANL)
Paper
Thermal-Hydraulic Analysis of the INL Boiling Water Reactor Test Facility Using RELAP5-3D©
8:20–8:40AM PDT
Andrew Prince (Oregon State), Izabela Gutowska (Oregon State), Wade Marcum (Oregon State), Nate Oldham (INL), Jason Barney (INL), Kendell Horman (INL), Brian Durtschi (INL), Joshua Graves (ORNL)
Modeling of Two-Phase Oscillatory Transient in a Large Scale RCCS with RELAP5-3D
8:40–9:00AM PDT
Zhiee Jhia Ooi (ANL), Qiuping Lv (ANL), Matthew Jasica (ANL), Rui Hu (ANL), Darius Lisowski (ANL)
Evaluating MARS-KS Code Performance for Predicting Density Wave Oscillation in Helical Tubes
9:00–9:20AM PDT
Seunghwan Oh (KAIST), Doh Hyeon Kim (KAIST), Jeong Ik Lee (KAIST)
ATF Pool Boiling CHF Predictions Using ML
9:20–9:40AM PDT
Bruno Pinheiro Serrao (Univ. Wisconsin, Madison), Eliot Ciuperca (Univ. Wisconsin, Madison), Juliana Pacheco Duarte (Univ. Wisconsin, Madison)
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