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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
May 2025
Nuclear Technology
April 2025
Fusion Science and Technology
Latest News
Norway’s Halden reactor takes first step toward decommissioning
The government of Norway has granted the transfer of the Halden research reactor from the Institute for Energy Technology (IFE) to the state agency Norwegian Nuclear Decommissioning (NND). The 25-MWt Halden boiling water reactor operated from 1958 to 2018 and was used in the research of nuclear fuel, reactor internals, plant procedures and monitoring, and human factors.
18th International Probabilistic Safety Assessment and Analysis (PSA 2023)
Technical Session|Panel|PSA Panels
Tuesday, July 18, 2023|1:00–2:45PM EDT|300D
Session Chair:
Michelle Bensi
Session Organizer:
Alternate Chair:
Mohammad Modarres
For decades, a fleet of large light-water reactors has played an important role in the international energy generation portfolio. In recent years, market conditions, operating costs, and public perceptions have challenged the current fleet of reactors, leading to plant closures and increasing uncertainty about the industry's prospects. However, climate change and geopolitical conditions have recently increased the focus on nuclear power as a critical energy resource. In parallel, investments in small modular reactors and microreactors have the potential to further transform the industry by reducing upfront construction/operating costs and increasing flexibility. This evolution in the nuclear industry has increased the need for a cohort of educated professionals, including risk analysts capable of assessing risks for the aging fleet of reactors as well as new and advanced technologies, all of which are exposed to a range of internal and external hazards (including hazards that may increase as a result of a changing climate). This panel session will bring together representatives from organizations from within the nuclear industry to discuss the current and future needs of the industry for a diverse and qualified workforce. Perspectives from industry, regulation, research, and education will be included. Focus will be placed on the need for risk analysts capable of assessing risks for diverse facility types and the range of internal and external hazards to which these facilities are exposed.
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