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The busyness of the nuclear fuel supply chain
Ken Petersenpresident@ans.org
With all that is happening in the industry these days, the nuclear fuel supply chain is still a hot topic. The Russian assault in Ukraine continues to upend the “where” and “how” of attaining nuclear fuel—and it has also motivated U.S. legislators to act.
Two years into the Russian war with Ukraine, things are different. The Inflation Reduction Act was passed in 2022, authorizing $700 million in funding to support production of high-assay low-enriched uranium in the United States. Meanwhile, the Department of Energy this January issued a $500 million request for proposals to stimulate new HALEU production. The Emergency National Security Supplemental Appropriations Act of 2024 includes $2.7 billion in funding for new uranium enrichment production. This funding was diverted from the Civil Nuclear Credits program and will only be released if there is a ban on importing Russian uranium into the United States—which could happen by the time this column is published, as legislation that bans Russian uranium has passed the House as of this writing and is headed for the Senate. Also being considered is legislation that would sanction Russian uranium. Alternatively, the Biden-Harris administration may choose to ban Russian uranium without legislation in order to obtain access to the $2.7 billion in funding.
Rasol Khoda-Bakhsh, Heinrich Hora, George H. Miley
Fusion Science and Technology | Volume 24 | Number 1 | August 1993 | Pages 28-36
Technical Paper | ICF Target | doi.org/10.13182/FST93-A30172
Articles are hosted by Taylor and Francis Online.
As the volume ignition of deuterium-helium-3 (D-3He) and deuterium-deuterium (D-D) fuels has been numerically modeled, the nuclear fusion reaction , including the secondary D(d,n) He and D(d,p) reactions, is now investigated, and its energy efficiency and ignition conditions are examined. For the first time, it is shown that although the n/D-3He ratio depends on volume and density, this ratio is small and nearly the same for different pellet volumes and pellet concentrations for conditions where pellet ignition occurs. Also, the inclusion of the D-D reactions increases the fusion gain and significantly changes the ignition conditions.
