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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
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!
Latest Magazine Issues
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
July 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Smarter waste strategies: Helping deliver on the promise of advanced nuclear
At COP28, held in Dubai in 2023, a clear consensus emerged: Nuclear energy must be a cornerstone of the global clean energy transition. With electricity demand projected to soar as we decarbonize not just power but also industry, transport, and heat, the case for new nuclear is compelling. More than 20 countries committed to tripling global nuclear capacity by 2050. In the United States alone, the Department of Energy forecasts that the country’s current nuclear capacity could more than triple, adding 200 GW of new nuclear to the existing 95 GW by mid-century.
Technical Session|Sponsored by THD
Wednesday, June 16, 2021|2:15–4:00PM EDT
Session Chair:
Jinyong Feng
Alternate Chair:
Darius D. Lisowski
Session Organizer:
Subash L. Sharma
Staff Producer:
Jessie Vazquez (ANS)
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Benchmark of RELAP5 Modeling for the Water-Based NSTF Single-Phase Operations
Qiuping Lv (ANL), Adam Kraus (ANL), Rui Hu (ANL), Darius Lisowski (ANL)
Paper
Numerical Study for the Effect of the Surface Roughness Magnitude on the Multi-Stage Orifice Internal Flow Pattern
Gong-Hee Lee (Korea Institute of Nuclear Safety), June-Ho Bae (Korea Institute of Nuclear Safety)
Presentation Video (Visible to Attendees)
CFD Benchmark Model of Pebble Bed Separate Effects Test Facility
Jaymes Dionne (Oregon State Univ.), Izabela Gutowska (Oregon State Univ.), R. Brian Jackson (Kairos Power)
Variation of Aerosol Deposition with iPWR Containment Vessel Submergence Depth
Rohan Biwalkar (Pittsburgh Technical), Sola Talabi (Pittsburgh Technical)
Effect of Lift Correction Factor for Two-Phase Flow in a Large Diameter Channel
Sungje Hong (Missouri Univ. of Science and Technology), Joshua P. Schlegel (Missouri Univ. of Science and Technology), Subash L. Sharma (Univ. of Massachusetts Lowell)
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