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September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Remembering ANS member Gil Brown
Brown
The nuclear community is mourning the loss of Gilbert Brown, who passed away on July 11 at the age of 77 following a battle with cancer.
Brown, an American Nuclear Society Fellow and an ANS member for nearly 50 years, joined the faculty at Lowell Technological Institute—now the University of Massachusetts–Lowell—in 1973 and remained there for the rest of his career. He eventually became director of the UMass Lowell nuclear engineering program. After his retirement, he remained an emeritus professor at the university.
Sukesh Aghara, chair of the Nuclear Engineering Department Heads Organization, noted in an email to NEDHO members and others that “Gil was a relentless advocate for nuclear energy and a deeply respected member of our professional community. He was also a kind and generous friend—and one of the reasons I ended up at UMass Lowell. He served the university with great dedication. . . . Within NEDHO, Gil was a steady presence and served for many years as our treasurer. His contributions to nuclear engineering education and to this community will be dearly missed.”
Allan K. Järvine, Alan G. Murchison, Peter G. Keech, Mahesh D. Pandey
Nuclear Technology | Volume 206 | Number 7 | July 2020 | Pages 1036-1058
Regular Technical Paper | doi.org/10.1080/00295450.2019.1700730
Articles are hosted by Taylor and Francis Online.
Lifetime predictions of used nuclear fuel containers (UFCs) destined for permanent storage in deep geological repositories are challenged by the uncertainty surrounding the environment and resultant performance of both the containers and the balance of engineered barriers over repository timescales. Much of the work to characterize the response of engineered barriers to postulated evolving environmental conditions and degradation mechanisms is limited to very short-term laboratory tests or at best in situ large-scale experiments spanning less than a few decades. While much is learned from these test programs, the fact remains that long-term performance of many tens of thousands of UFCs across a timescale of 100 000 years or more cannot be estimated with a significant degree of confidence by extrapolating single-point results of short-term experiments. This is particularly true when there is a desire to understand the progression of container failures and the timing of contaminants subsequently released into the geosphere. Lifetime predictions for UFCs require a probabilistic approach to address uncertainty. In the present work, a recently developed probabilistic corrosion model to estimate the life expectancy of copper-coated UFCs destined for a Canadian geological repository is expanded by modeling the impact of latent copper-coating defects and repository temperature on the key container life-limiting mechanism: sulfide-induced corrosion.