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Lee, Deokjung
Computational Reactor physics & Experiment Lab.
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dc.citation.endPage 86 -
dc.citation.number 1 -
dc.citation.startPage 79 -
dc.citation.title NUCLEAR SCIENCE AND ENGINEERING -
dc.citation.volume 174 -
dc.contributor.author Lee, Deokjung -
dc.contributor.author Rhodes, Joel -
dc.contributor.author Smith, Kord -
dc.date.accessioned 2023-12-22T04:06:51Z -
dc.date.available 2023-12-22T04:06:51Z -
dc.date.created 2013-08-28 -
dc.date.issued 2013-05 -
dc.description.abstract The huge absorption cross sections of'55Gd and 157Gd cause strong spatial shielding effects in Gd-bearing pins. A high-order depletion method has been developed for CASMO-5 to address the issue of the small depletion steps typically required for Gd-bearing fuel assemblies. In this method, the microscopic absorption reaction rates of gadolinium isotopes are assumed to be quadratic functions of the number density of'55Gd rather than the constant reaction rale assumption in the conventional predictor-corrector (PC) method. This quadratic function assumption models the variations of the spatial shielding effects over the depletion step and therefore improves the accuracy of depletion calculations with a negligible amount of calculation time increase. With this new method, a depletion step size four times larger than the step size used in a conventional PC method can be used for Gd-bearing assemblies without compromising accuracy. -
dc.identifier.bibliographicCitation NUCLEAR SCIENCE AND ENGINEERING, v.174, no.1, pp.79 - 86 -
dc.identifier.issn 0029-5639 -
dc.identifier.scopusid 2-s2.0-84879540327 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/3776 -
dc.identifier.url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84879540327 -
dc.identifier.wosid 000319851300005 -
dc.language 영어 -
dc.publisher AMER NUCLEAR SOC -
dc.title Quadratic Depletion Method for Gadolinium Isotopes in CASMO-5 -
dc.type Article -
dc.relation.journalWebOfScienceCategory Nuclear Science & Technology -
dc.relation.journalResearchArea Nuclear Science & Technology -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordPlus LATTICE PHYSICS CODE -

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