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
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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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Nuclear Science and Engineering
May 2025
Nuclear Technology
April 2025
Fusion Science and Technology
Latest News
El Salvador: Looking to nuclear
In 2022, El Salvador’s leadership decided to expand its modest, mostly hydro- and geothermal-based electricity system, which is supported by expensive imported natural gas and diesel generation. They chose to use advanced nuclear reactors, preferably fueled by thorium-based fuels, to power their civilian efforts. The choice of thorium was made to inform the world that the reactor program was for civilian purposes only, and so they chose a fuel that was plentiful, easy to source and work with, and not a proliferation risk.
Technical Session|Methods
Wednesday, April 24, 2024|3:30–5:15PM PDT|Continental Ballroom 2
Session Chair:
William Dawn (Studsvik Scandpower)
Alternate Chair:
Charlie Latimer (Rolls Royce)
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Stability Analyses of the Monte Carlo Neutron Transport with Thermal-Hydraulics Feedback
3:30–3:50PM PDT
Kaiwen Li (Tsinghua Univ.), Nan An (Tsinghua Univ.), Hao Luo (Tsinghua Univ.), Jingang Liang (Tsinghua Univ.), Ding She (Tsinghua Univ.), Zhihong Liu (Tsinghua Univ.), Kan Wang (Tsinghua Univ.)
Paper
Coarse Mesh Finite Difference Acceleration for Pebble Tracking Transport in Griffin
3:50–4:10PM PDT
Yaqi Wang (INL), Joshua Hanophy (INL), Namjae Choi (INL)
Improved Decoupled Diffusion Synthetic Acceleration Scheme for Neutral Particle Transport
4:10–4:30PM PDT
Joseph M. Coale (LANL), James S. Warsa (LANL)
Presentation Slides (Visible to Attendees)
Assessing Nonlinear Diffusion Acceleration for Boltzmann Fokker Planck Equation in Slab Geometry
4:30–4:50PM PDT
Japan K. Patel (Univ. Michigan), Barry D. Ganapol (Univ. Arizona), Martha M. Matuszak (Univ. Michigan)
An Adaptive Model for Decay Heat Estimation Using Scram Curves
4:50–5:10PM PDT
Evgeny Nikitin (Helmholtz-Zentrum Dresden-Rossendorf), Emil Fridman (Helmholtz-Zentrum Dresden-Rossendorf), Alexander Ponomarev (Helmholtz-Zentrum Dresden-Rossendorf)
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