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2025 ANS Winter Conference & Expo
November 8–12, 2025
Washington, DC|Washington Hilton
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Latest News
Japan gets new U for enrichment as global power and fuel plans grow
President Trump is in Japan today, with a visit with new Prime Minister Sanae Takaichi on the agenda. Takaichi, who took office just last week as Japan’s first female prime minister, has already spoken in favor of nuclear energy and of accelerating the restart of Japan’s long-shuttered power reactors, as Reuters and others have reported. Much of the uranium to power those reactors will be enriched at Japan’s lone enrichment facility—part of Japan Nuclear Fuel Ltd.’s Rokkasho fuel complex—which accepted its first delivery of fresh uranium hexafluoride (UF₆) in 11 years earlier this month.
J. Gomez del Rio, J. Sanz, S. Reyes, J. F. Latkowski
Fusion Science and Technology | Volume 39 | Number 2 | March 2001 | Pages 1008-1012
Safety and Environment | doi.org/10.13182/FST01-A11963374
Articles are hosted by Taylor and Francis Online.
Estimating radiological risks is an essential part of an assessment of fusion as an attractive source of energy. Due to the limited data specific to radionuclides of interest to fusion reactors, one of the goals of this work is to expand the Dose Conversion Factors (DCF) library for use in the calculation of different types of off-site doses and associated health effect consequences. This expansion accounts for about 300 radionuclides included in accidental activity releases from HYLIFE-II and SOMBRERO IFE Power Plants. Furthermore, for each of the radionuclides included in the new DCF library, we address a parametric study of accident consequences by varying the atmospheric stability, wind speed, rain conditions, and thermal plume rise. The results of these calculations allow us to identify the most troublesome radionuclides in terms of safety consequences as well as the impact of the different atmospheric scenarios.
