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Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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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.
A. Colombi, M. P. Carante, F. Barbaro, L. Canton, A. Fontana
Nuclear Technology | Volume 208 | Number 4 | April 2022 | Pages 735-752
Technical Paper | doi.org/10.1080/00295450.2021.1947122
Articles are hosted by Taylor and Francis Online.
Radioisotope 52gMn is of special interest for multimodal imaging. Using state-of-art nuclear reaction codes, we study the alternative nuclear reaction route natV(,x)52gMn in comparison with the standard production routes based upon the use of chromium targets. The integral yields of 52gMn and contaminants have been evaluated. The main outcome of this investigation is that the 52gMn yield of the new production route compares favorably with respect to the standard natCr one, and the contamination due to 54Mn is expected to be significantly lower. The study also reveals a large spread in the cross-section data set and points out the need of more precise measurements of the reaction natV(,x)52gMn as well as the need of more refined models in nuclear reaction codes such as Talys, Empire, and Fluka.