Sensitivity Studies for the Exercise I-1 of the OECD/UAM Benchmark | Zendy

E. Canuti | Zendy; A. Petruzzi | Zendy; Francesco Saverio D'Auria | Zendy; Tomasz Kozłowski | Zendy

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Sensitivity Studies for the Exercise I-1 of the OECD/UAM Benchmark

Author(s) -

E. Canuti,

A. Petruzzi,

Francesco Saverio D'Auria,

Tomasz Kozłowski

Publication year - 2012

Publication title -

science and technology of nuclear installations

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.417

H-Index - 24

eISSN - 1687-6083

pISSN - 1687-6075

DOI - 10.1155/2012/817185

Subject(s) - benchmark (surveying) , discretization , sensitivity (control systems) , propagation of uncertainty , multiplication (music) , work (physics) , nuclear engineering , code (set theory) , nuclear data , discretization error , engineering , algorithm , computer science , mathematics , neutron , physics , mechanical engineering , electronic engineering , nuclear physics , mathematical analysis , geology , geodesy , set (abstract data type) , combinatorics , programming language

OECD/NEA has initiated an international Uncertainty Analysis in Modeling (UAM) benchmark focused on uncertainties in modeling of Light Water Reactor (LWR). The first step of uncertainty propagation is to perform sensitivity to the input data affected by the numerical errors and physical models. The objective of the present paper is to study the effect of the numerical discretization error and the manufacturing tolerances on fuel pin lattice integral parameters (multiplication factor and macroscopic cross-sections) through sensitivity calculations. The two-dimensional deterministic codes NEWT and HELIOS were selected for this work. The NEWT code was used for analysis of the TMI-1, PB-2, and Kozloduy-6 test cases; the TMI-1 test case was investigated using the HELIOS code. The work has been performed within the framework of UAM Exercise I-1 “Cell Physics.

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