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Division Spotlight
Accelerator Applications
The division was organized to promote the advancement of knowledge of the use of particle accelerator technologies for nuclear and other applications. It focuses on production of neutrons and other particles, utilization of these particles for scientific or industrial purposes, such as the production or destruction of radionuclides significant to energy, medicine, defense or other endeavors, as well as imaging and diagnostics.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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
August 2024
Nuclear Technology
Fusion Science and Technology
Latest News
ARPA-E announces $40 million to develop transmutation technologies for UNF
The Department of Energy’s Advanced Research Projects Agency–Energy (ARPA-E) announced $40 million in funding to develop cutting-edge technologies to enable the transmutation of used nuclear fuel into less-radioactive substances. According to ARPA-E, the new initiative addresses one of the agency’s core goals as outlined by Congress: to provide transformative solutions to improve the management, cleanup, and disposal of radioactive waste and spent nuclear fuel.
Changle Liu, Lei Li, Yu Zhou, Peng Zhang, Jun Song, Songtao Wu
Fusion Science and Technology | Volume 79 | Number 5 | July 2023 | Pages 610-615
Technical Note | doi.org/10.1080/15361055.2022.2162795
Articles are hosted by Taylor and Francis Online.
One of the goals of fusion blanket design is to explore the blanket material design to maintain the characteristics of the internal temperature field. This is because the characteristics of the temperature field have an important influence on the effectiveness of tritium release for the blanket. In this work, the influence of material design on temperature field characteristics is studied based on a multizone structure blanket model. It mainly focuses on the positions of the breeders, the multipliers, and the structural steel, including their material proportions in the blanket interior. It was found that the temperature field in the pure breeder region Li4SiO4 is relatively independent and has little influence on the adjacent regions because its location is closer to the first wall. The first beryllium zone only affects the adjacent regions and will not repeatedly affect the remote areas. The second beryllium zone and the first mixed-pebble zone of the Li/Be zone are mainly limited to the structural materials due to the sensitivity of the temperature limitation of 550°C. This work will have very important support and reference for future fusion blanket engineering.