ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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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
2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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 Technology
Fusion Science and Technology
Latest News
NWMO to select Canadian repository site this year
Canada’s Nuclear Waste Management Organization, a not-for-profit organization responsible for the long-term management of the country’s intermediate- and high-level radioactive waste, is set to select a site for a deep geologic repository by the end of the year.
K. Nishimura, K. Takatsuka, M. Matsuyama, N. Noda, M. Tanaka
Fusion Science and Technology | Volume 60 | Number 4 | November 2011 | Pages 1503-1506
Interaction with Materials | Proceedings of the Ninth International Conference on Tritium Science and Technology (Part 2) | doi.org/10.13182/FST11-A12717
Articles are hosted by Taylor and Francis Online.
Hydrogen isotope retention and its removal in/from a plasma-facing wall and structural materials have been recognized as key issues for fusion reactor from the viewpoints of operational safety and environmental preservation. Baking and/or a glow discharge are possible effective methods to remove hydrogen isotopes from materials. To investigate the absorption and desorption characteristics of hydrogen isotopes in structural materials, a glow discharge apparatus with twin chambers (Glow-1, 2) made with stainless steel was provided. The sample tip can be moved between the Glow-1 chamber and Glow-2 chamber without exposing it to the air. The controlled infrared (IR) heating device was installed in the Glow-1 chamber to heat the sample tip. Results of absorption and desorption by glow discharge, and the thermal desorption by IR heating are analyzed. No oxides of hydrogen isotopes were observed in these experiments. Most gases are retained near the solid surface and are desorbed at a low temperature below 150 °C. The activation energy was estimated to be about 50 kJ/mol.