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Preventing xenon oscillations in Monte Carlo burnup calculations by enforcing equilibrium xenon distribution
KTH, School of Engineering Sciences (SCI), Physics, Reactor Technology.ORCID iD: 0000-0002-7943-7517
2013 (English)In: Annals of Nuclear Energy, ISSN 0306-4549, E-ISSN 1873-2100, Vol. 60, 78-85 p.Article in journal (Refereed) Published
Abstract [en]

Existing Monte Carlo burnup codes suffer from instabilities caused by spatial xenon oscillations. These oscillations can be prevented by forcing equilibrium between the neutron flux and saturated xenon distribution. The equilibrium calculation can be integrated to Monte Carlo neutronics, which provides a simple and lightweight solution that can be used with any of the existing burnup calculation algorithms. The stabilizing effect of this approach, as well as its limitations are demonstrated using the reactor physics code Serpent.

Place, publisher, year, edition, pages
2013. Vol. 60, 78-85 p.
Keyword [en]
Xenon oscillations, Burnup calculations, Monte Carlo, Spatial stability
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-127730DOI: 10.1016/j.anucene.2013.04.031ISI: 000322854700010ScopusID: 2-s2.0-84878225466OAI: diva2:646139

QC 20130906

Available from: 2013-09-06 Created: 2013-09-05 Last updated: 2013-09-06Bibliographically approved

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Dufek, Jan
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