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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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U.S. nuclear fuel recycling takes two steps forward
Late last week saw two announcements from companies working to recycle used nuclear fuel on a commercial scale, providing welcome news to anyone hoping to see the United States move to unlock the hidden potential of the more than 94,000 metric tons of spent fuel stored at power plant sites around the country.
Robert C. Cook
Fusion Science and Technology | Volume 51 | Number 4 | May 2007 | Pages 559-563
Technical Paper | doi.org/10.13182/FST07-A1444
Articles are hosted by Taylor and Francis Online.
In this paper we show that the ambient temperature measured leakage time constant, RT, is related to the leakage at cryogenic temperature, RC, byRC = 0.23DTVsh/RTwhere DT is the density of cryogenic DT vapor, and Vsh is the internal volume of the shell. We then calculate the size of voids that may result from leakage at the Be/DT interface, depending upon the number of leakage sites and RT. Even for the slowest leakers the potential void growth is excessive. Reasons that voids have not been seen in DT layering experiments to date include the lack of a technique to see isolated micronish bubbles, however possible mechanisms preventing void formation are also discussed.