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PARTISN results for the OECD/NEA 3-D extension C5G7 MOX benchmark

✍ Scribed by Jon A. Dahl

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 221 KB
Volume: 48
Category: Article
ISSN: 0149-1970
DOI: 10.1016/j.pnucene.2006.01.003

No coin nor oath required. For personal study only.

✦ Synopsis

We have participated in the Expert Group on 3-D Radiation Transport Benchmarks' 3-D Extension C5G7 MOX problems using the discrete ordinate transport code PARTISN. The computational mesh was created using the FRAC-IN-THE-BOX code, which produces a volume fraction Cartesian mesh from combinatorial geometry descriptions. k eff eigenvalues, maximum pin powers, and average fuel assembly powers are reported and compared to an MCNPÔ (MCNP is a trademark of the Regents of the University of California, Los Alamos National Laboratory) reference solution. We also present a two-dimensional mesh convergence study examining the affects of using volume fractions to approximate the waterepin cell interface. It is noted that the previous PARTISN results provided to the OECD/NEA Expert Group on 3-D Radiation Benchmarks contained a cross-section error, and therefore should be disregarded.

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