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Conference Spotlight
2025 ANS Winter Conference & Expo
November 8–12, 2025
Washington, DC|Washington Hilton
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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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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.
S. A. Kushneriuk
Nuclear Science and Engineering | Volume 43 | Number 3 | March 1971 | Pages 247-256
Technical Paper | doi.org/10.13182/NSE71-A19970
Articles are hosted by Taylor and Francis Online.
Solutions are obtained for the concentration of radioactive nuclide on the walls and in the radially mixed fluid transporting the nuclide, when the fluid circulates in a closed loop system. The differential equations, which describe the mass balance of the nuclide in the system and on which the solutions are based, take into account nuclide sorption-desorption on the system walls (at constant rates) and a source which releases the radioactive nuclide (fission product) into the stream.
