Spectral-history modeling in DYN3D burnup calculations

Bilodid, Y.; Mittag, S.

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Spectral-history modeling in DYN3D burnup calculations

Bilodid, Y.; Mittag, S.

Abstract

Burnup spectral-history effects are reflected in deviations in the actual nuclide concentrations within the fuel. The deviations of different nuclides are correlated. It is possible to treat the nuclide concentration change by tracing only one nuclide Pu-239. Implementation of historical correction for 2-group cross sections method in DYN3D is described in this paper.

Keywords: DYN3D; spectral-history effects; burnup history effect; burnup; cross sections

Contribution to proceedings
Jahrestagung Kerntechnik 2009, 12.-14.05.2009, Dresden, Germany
Lecture (Conference)
Jahrestagung Kerntechnik 2009, 12.-14.05.2009, Dresden, Germany

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