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2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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NNSA awards BWXT $1.5B defense fuels contract
The Department of Energy’s National Nuclear Security Administration has awarded BWX Technologies a contract valued at $1.5 billion to build a Domestic Uranium Enrichment Centrifuge Experiment (DUECE) pilot plant in Tennessee in support of the administration’s efforts to build out a domestic supply of unobligated enriched uranium for defense-related nuclear fuel.
Eugene Goldberg, Ronald L. Barber, Norman A. Bonner, Clyde M. Griffith, David R. Nethaway, Robert C. Haight
Nuclear Science and Engineering | Volume 94 | Number 2 | October 1986 | Pages 120-135
Technical Paper | doi.org/10.13182/NSE86-A27447
Articles are hosted by Taylor and Francis Online.
A large cylindrical assembly of 6LiD was irradiated by neutrons from a high-intensity deuterium-tritium source. Small samples of 6Li, 7Li, and 6LiH, all encapsulated in lead, were positioned along the assembly axis and served as indicators for 4He and tritium production. The amount of 4He was determined by isotope dilution mass spectrometry while the tritium content of the 6LiH wafers was measured by proportional counting of gas samples. Careful comparison of the results with TART Monte Carlo calculations showed excellent agreement. For 4He generation, the experimental values were 1.01 ± 0.06 times those of the calculations, while for tritium the ratio was 1.055 ± 0.07.
