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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
June 2025
Nuclear Technology
Fusion Science and Technology
May 2025
Latest News
Argonne’s METL gears up to test more sodium fast reactor components
Argonne National Laboratory has successfully swapped out an aging cold trap in the sodium test loop called METL (Mechanisms Engineering Test Loop), the Department of Energy announced April 23. The upgrade is the first of its kind in the United States in more than 30 years, according to the DOE, and will help test components and operations for the sodium-cooled fast reactors being developed now.
Anisia Bornea, Marius Zamfirache, Ioan Stefanescu
Fusion Science and Technology | Volume 71 | Number 4 | May 2017 | Pages 532-536
Technical Paper | doi.org/10.1080/15361055.2017.1290973
Articles are hosted by Taylor and Francis Online.
Water – hydrogen catalytic isotopic exchange is the front-end detritiation technology that is used in the pilot plant at ICSI Rm. Valcea. It is also chosen as the main technology for the Tritium Removal Facility will be built at the Cernavoda NPP, Romania. The performance of the isotopic exchange process is mainly determined by the composition of the packing used in the catalytic isotopic exchange columns of the installations. In order to have a good working the packing should consist out of two components: i) a catalyst to enable the isotopic exchange and ii) a hydrophilic packing to maximize the fluid surface that can participate in the isotopic exchange. It is important that these two components of the packing are arranged in such a way that a uniform flow along and across the exchange column is ensured. To achieve a high performance packing theoretical and experimental research that took several years was necessary. The impact of the catalyst /hydrophilic packing ratio, the structure of these materials and their mutual arrangement were investigated. Theoretical analyses based on mathematical models contributed were used to select the optimal exchange column compositions for experimental research. This paper presents a theoretical analysis developed to set up a high performance catalyst-packing mixture, as well as the developed graphical and numerical mathematical models that allowed for this analysis.