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Fission source sampling in coupled Monte Carlo simulations
KTH, School of Engineering Sciences (SCI), Physics, Reactor Technology.
KTH, School of Engineering Sciences (SCI), Physics, Reactor Technology.ORCID iD: 0000-0002-7943-7517
2017 (English)In: Kerntechnik (1987), ISSN 0932-3902, E-ISSN 2195-8580, Vol. 82, no 2, 206-209 p.Article in journal (Refereed) Published
Abstract [en]

We study fission source sampling methods suitable for the iterative way of solving coupled Monte Carlo neutronics problems. Specifically, we address the question as to how the initial Monte Carlo fission source should be optimally sampled at the beginning of each iteration step. We compare numerically two approaches of sampling the initial fission source; the tested techniques are derived from well-known methods for iterating the neutron flux in coupled simulations. The first technique samples the initial fission source using the source from the previous iteration step, while the other technique uses a combination of all previous steps for this purpose. We observe that the previous-step approach performs the best.

Place, publisher, year, edition, pages
Carl Hanser Verlag GmbH, 2017. Vol. 82, no 2, 206-209 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-209323DOI: 10.3139/124.110680ISI: 000402481400007Scopus ID: 2-s2.0-85019551456OAI: oai:DiVA.org:kth-209323DiVA: diva2:1111424
Note

QC 20170619

Available from: 2017-06-19 Created: 2017-06-19 Last updated: 2017-06-19Bibliographically approved

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