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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Apr 2025
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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.
Technical Session
Wednesday, May 18, 2022|10:15AM–12:00PM EDT|Fountainview
Session Chair:
Nicolas Stauff (ANL)
Alternate Chair:
Massimiliano Fratoni
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Overview of Recent SCALE Activities for Non-LWR Inventory and Decay Heat Analysis
William A. Wieselquist (ORNL), Friederike Bostelmann (ORNL), Robert Kile (ORNL), Austin Lo (ORNL), Ugur Mertyurek (ORNL), Alex Shaw (ORNL), Steve Skutnik (ORNL), Erik Walker (ORNL)
Paper
Cell Dancoff-Based Embedded Self-Shielding Capability for Doubly Heterogeneous Particulate Fuels in SCALE/Polaris
Byoung-kyu Jeon (Univ. Michigan), Won Sik Yang (Univ. Michigan), Hansol Park (Univ. Michigan), Kang Seog Kim (ORNL), Matthew A. Jessee (ORNL), William A. Wieselquist (ORNL)
Neutronic Analysis of a PWR-Type SMR Core Using Duplex ThO2-UO2 in TRISO Fuel Particles
Jesús Rosales (Univ. Nacional Autónoma de México), Juan-Luis François (Univ. Nacional Autónoma de México), Carlos García (InSTEC)
Comparative Analysis of Energy Deposition Modes Available in Serpent 2 Within the Framework of the Supercritical Water Reactor -- Fuel Qualification Test Reactor Physics Benchmark
B. Babcsány (Budapest Univ. Technology and Economics), V. Giusti (Univ. Pisa), A. Moise (Institute for Nuclear Research), J. C. Chow (Canadian Nuclear Laboratories)
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