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
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver 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!
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Nuclear Science and Engineering
May 2025
Nuclear Technology
Fusion Science and Technology
Latest News
TerraPower begins U.K. regulatory approval process
Seattle-based TerraPower signaled its interest this week in building its Natrium small modular reactor in the United Kingdom, the company announced.
TerraPower sent a letter to the U.K.’s Department for Energy Security and Net Zero, formally establishing its intention to enter the U.K. generic design assessment (GDA) process. This is TerraPower’s first step in deployment of its Natrium technology—a 345-MW sodium fast reactor coupled with a molten salt energy storage unit—on the international stage.
Heinz Dworschak, Brian A. Hunt, Francesco Mannone, Francis Mousty
Nuclear Technology | Volume 61 | Number 3 | June 1983 | Pages 432-443
Technical Paper | New Directions in Nuclear Energy with Emphasis on Fuel Cycles / Radioactive Waste Management | doi.org/10.13182/NT83-A33166
Articles are hosted by Taylor and Francis Online.
The importance of waste categories other than high-activity waste in the context of long-term risk potential has been increasingly stressed over the last few years. Particular emphasis has been placed on the need for improved techniques for alpha waste reduction, conditioning, and disposal. One way to achieve this is based on an oxalate precipitation technique that recovers the actinides from all liquid alpha waste stream sources. As a result, a fully integrated alpha waste management is conceived that provides a rework unit for plutonium recovery, operating on line with reprocessing and with added incentives, such as savings in fissile material, reduced downtime, reduced medium level liquid waste volumes, and the possibility of confining neptunium and its precursors to a single stream.