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Anomalous reactivity swing in the 238U-233U system
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Engineering.ORCID iD: 0000-0002-6082-8913
2020 (English)In: Annals of Nuclear Energy, ISSN 0306-4549, E-ISSN 1873-2100, Vol. 139, article id 107231Article in journal (Refereed) Published
Abstract [en]

An anomalous negative reactivity swing is discovered in the iso-breeding 238U-233U system, resulting from an increase in conversion ratio with burn-up. Based on this discovery, a plutonium-free ternary fuel composition is identified allowing to reach a burn-up of 100 GWd/ton with a reactivity swing of ≃0.3$. Potential applications of such fuels are discussed.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 139, article id 107231
Keywords [en]
Conversion ratio, Iso-breeders, Reactivity swing
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-267785DOI: 10.1016/j.anucene.2019.107231Scopus ID: 2-s2.0-85076421166OAI: oai:DiVA.org:kth-267785DiVA, id: diva2:1411725
Note

QC 20200304

Available from: 2020-03-04 Created: 2020-03-04 Last updated: 2020-03-04Bibliographically approved

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Wallenius, Janne

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