Fission matrix based Monte Carlo criticality calculations

We have described a fission matrix based method that allows to cancel the inactive cycles in Monte Carlo criticality calculations. The fission matrix must be sampled in the course of the Monte Carlo calculation using a space mesh with sufficiently small zones as it causes the fission matrix be insen...

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Bibliographic Details
Published inAnnals of nuclear energy Vol. 36; no. 8; pp. 1270 - 1275
Main Authors Dufek, Jan, Gudowski, Wacław
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.08.2009
Subjects
CONVERGENCE
Fysik
NATURAL SCIENCES
NATURVETENSKAP
Physics
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Summary:We have described a fission matrix based method that allows to cancel the inactive cycles in Monte Carlo criticality calculations. The fission matrix must be sampled in the course of the Monte Carlo calculation using a space mesh with sufficiently small zones as it causes the fission matrix be insensitive to errors in the initial fission source. The k eff and other quantities can be derived by means of the final fission matrix. The confidence interval for the k eff estimate can be conservatively determined via the variance in the fission matrix.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0306-4549
1873-2100
1873-2100
DOI:10.1016/j.anucene.2009.05.003