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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.
H. Kislev, G. H. Miley
Fusion Science and Technology | Volume 10 | Number 3 | November 1986 | Pages 1270-1275
Inertial Confinement Fusion Target and Reaction Chamber Technology | doi.org/10.13182/FST86-A24906
Articles are hosted by Taylor and Francis Online.
We propose an optical sensing based neutron streak camera for ICF burn studies. The conversion of the neutron flux to optical signal is gained through measuring the time dependent optical attenuation (darkening) of a fissile material doped fiber optics. The miniature sensor enables a sensing distance of > 2 cm from the target, such that the neutron doppler broadening can be neglected. An additional major advantage over the current designs is that the streak camera is removed from the intense radiation field. Estimates of minimum yield requirements, darkening time response, and overall temporal resolution are presented.