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Division Spotlight
Mathematics & Computation
Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
Meeting Spotlight
Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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Fusion Science and Technology
Latest News
Fermilab center renamed after late particle physicist Helen Edwards
Fermi National Accelerator Laboratory’s Integrated Engineering Research Center, which officially opened in January 2024, is now known as the Helen Edwards Engineering Center. The name was changed to honor the late particle physicist who led the design, construction, commissioning, and operation of the lab’s Tevatron accelerator and was part of the Water Resources Development Act signed by President Biden in December 2024, according to a Fermilab press release.
Yasunori Iwai, Katsumi Sato, Toshihiko Yamanishi
Fusion Science and Technology | Volume 62 | Number 1 | July-August 2012 | Pages 83-88
Hydrogen/Tritium Behavior | Proceedings of the Fifteenth International Conference on Fusion Reactor Materials, Part A: Fusion Technology | doi.org/10.13182/FST12-A14117
Articles are hosted by Taylor and Francis Online.
In the case of a fire accident in a fusion plant, tritiated organic substances will be produced. We have developed a Pd/ZrO2 catalyst applicable for the oxidation of tritiated organic substances. In this study, two different weight ratios of palladium, 5 and 10 g/l, were selected. The overall reaction rate constant of tritiated methane oxidation with the palladium catalysts in a flow-through system were determined as a function of space velocity from 1200 to 7000 h-1 , methane concentration in carrier from 0.004 to 100 ppm, and temperature of catalyst from 323 to 673 K. As-received catalysts showed a large overall reaction rate constant over the whole tested temperature range. However, the constants gradually decreased after a while. The considerable decrease was evaluated especially over the lower temperature range. The decrease has been explained as caused by the layers of produced water that formed on the surface of the catalyst playing the role of obstacle to reactant transport onto the noble metal deposited on the catalyst. The performance of 10 g/l catalyst was superior to that of 5 g/l over the whole tested temperature range. The overall reaction rate constant was dependent on the space velocity and independent of methane concentration in the carrier.
