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
Operations & Power
Members focus on the dissemination of knowledge and information in the area of power reactors with particular application to the production of electric power and process heat. The division sponsors meetings on the coverage of applied nuclear science and engineering as related to power plants, non-power reactors, and other nuclear facilities. It encourages and assists with the dissemination of knowledge pertinent to the safe and efficient operation of nuclear facilities through professional staff development, information exchange, and supporting the generation of viable solutions to current issues.
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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Mar 2025
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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.
Advances in Thermal Hydraulics (ATH 2022)
Technical Session
Tuesday, June 14, 2022|1:00–2:45PM PDT|Manhattan
Session Chair:
Ralph Wiser (MIT)
Alternate Chair:
Dillon R. Shaver
Session Organizer:
Elia Merzari
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Large Eddy Simulation of Jet Interaction
John Acierno (Penn State), Elia Merzari (Penn State )
Paper
Assessing the Structure-Based Turbulence Model Performance with Symmetric Jet Experiments
Monica Pham (MIT), Emilio Baglietto (MIT), Victor Petrov (Univ. Michigan), Annalisa Manera (Univ. Michigan)
A Precursory Investigation of the Turbulent Mixing and Thermal Striping Phenomena in the General Atomics HTGR Upper Plenum
Yue Jin (MIT), Jinyong Feng (MIT), Elia Merzari (Penn State), Hangbok Choi (General Atomics), Emilio Baglietto (MIT)
Large Eddy Simulation of a 67-Pebble Bed Experiment
David Reger (Penn State), Elia Merzari (Penn State), Haomin Yuan (ANL), Yassin Hassan (TAMU), Stephen King (TAMU), Khoi Ngo (TAMU), Sebastian Schunert (INL), Paolo Balestra (INL)
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