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BELLA: a multi-point dynamics code for safety-informed design of fast reactors
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.ORCID iD: 0000-0002-6082-8913
2015 (English)In: Annals of Nuclear Energy, ISSN 0306-4549, E-ISSN 1873-2100, Vol. 85, 228-235 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, the multi-point dynamics code BELLA and its benchmarking with respect to SAS4A/SASSYS-1 is described for a small fast reactor cooled with natural convection of lead (ELECTRA). It is shown that BELLA is capable of reproducing the magnitude of mass-flow, reactivity, power and temperature excursions during design extension conditions with an accuracy better than 10%. Hence, the BELLA code can be used for safety-informed design and stability analyses of fast reactor systems, permitting to isolate essential phenomena and trends of significance for their safety assessment. (C) 2015 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
PERGAMON-ELSEVIER SCIENCE LTD , 2015. Vol. 85, 228-235 p.
Keyword [en]
Fast reactors, Dynamics, Lumped parameters
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-174909DOI: 10.1016/j.anucene.2015.05.017ISI: 000361413800023Scopus ID: 2-s2.0-84931259717OAI: oai:DiVA.org:kth-174909DiVA: diva2:861808
Note

QC 20151019

Available from: 2015-10-19 Created: 2015-10-09 Last updated: 2017-12-01Bibliographically approved

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Wallenius, Janne

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