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As Nuclear News has done since 2022, we have compiled a review of the nuclear news that filled headlines and sparked conversations in the year just completed. Departing from the chronological format of years past, we open with the most impactful news of 2025: a survey of actions and orders of the Trump administration that are reshaping nuclear research, development, deployment, and commercialization. We then highlight some of the top news in nuclear restarts, new reactor testing programs, the fuel supply chain and broader fuel cycle, and more.
Shin Chang Hu, George H. Miley
Fusion Science and Technology | Volume 22 | Number 4 | December 1992 | Pages 482-489
Alpha-Particle Special | doi.org/10.13182/FST92-A30084
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Multidimensional transport simulations using the BALDUR code have been used to examine the correlation between the effective global helium particle confinement time and the edge recycling coefficient with profile effects included. This provides a way to benchmark the widely used zero-dimensional model so that a first-order correction for these effects is possible. It is shown that the predictions of the effect of recycling on helium confinement using the benchmarked zero-dimensional correlation agrees fairly well with the BALDUR results.