OECD/NEA intercomparison of deterministic and monte carlo cross-section sensitivity codes using sneak-7 benchmarks - Archive ouverte HAL Access content directly
Conference Papers Year : 2016

OECD/NEA intercomparison of deterministic and monte carlo cross-section sensitivity codes using sneak-7 benchmarks

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Abstract

A sensitivity benchmark exercise was organized within the scope of the Uncertainty Analysis in Modeling (UAM) project of the OECD/Nuclear Energy Agency (NEA) to develop and compare methods for the sensitivity and uncertainty computations of the effective multiplication factor (keff) and the effective delayed neutron fraction (eff). Several solutions were received using different codes, both deterministic (SUSD3D, SNATCH) and Monte Carlo (TSUNAMI-3D, XSUSA, SERPENT2, MCNP6). In this paper the performances of several codes and methods for the keff sensitivity and uncertainty computations are intercompared. The sensitivity and uncertainty codes were applied to the SNEAK-7A and -7B fast neutron benchmark experiments from the IRPhE database. Good general agreement between the sensitivities, both for integral values and sensitivity profiles, was observed.
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Dates and versions

cea-02431813 , version 1 (08-01-2020)

Identifiers

  • HAL Id : cea-02431813 , version 1

Cite

I A. Kodeli, V. Mastrangelo, E. Ivanov, A. Aures, W. Zwermann, et al.. OECD/NEA intercomparison of deterministic and monte carlo cross-section sensitivity codes using sneak-7 benchmarks. PHYSOR 2016: Unifying Theory and Experiments in the 21st Century, May 2016, Sun Valley, United States. pp.ISBN: 978-0-89448-726-2. ⟨cea-02431813⟩
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