Methods and Results for the MSLB NEA Benchmark Using SIMTRAN and RELAP5

Aragonés Beltrán, José María, Ahnert Iglesias, Carolina ORCID: https://orcid.org/0000-0002-1063-1442, Cabellos de Francisco, Oscar Luis ORCID: https://orcid.org/0000-0002-2684-280X, García Herranz, Nuria ORCID: https://orcid.org/0000-0002-0760-2974 and Aragonés Ahnert, Vanessa (2004). Methods and Results for the MSLB NEA Benchmark Using SIMTRAN and RELAP5. "Nuclear Technology", v. 146 (n. 1); pp. 29-40. ISSN 0029-5450.

Description

Title: Methods and Results for the MSLB NEA Benchmark Using SIMTRAN and RELAP5
Author/s:
Item Type: Article
Título de Revista/Publicación: Nuclear Technology
Date: April 2004
ISSN: 0029-5450
Volume: 146
Subjects:
Freetext Keywords: NEA benchmark, MSLB transient, coupled neutronkinetics, thermal hydraulics
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Energética
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The purpose of this paper is first to discuss the methods developed in our three-dimensional pressurized water reactor core dynamics code SIMTRAN and its coupling to the system code RELAP-5 for general transient and safety analysis. Then, we summarize its demonstration application to the Nuclear Energy Agency (NEA)/ Organization for Economic Cooperation and Development (OECD) Benchmark on Main Steam Line Break (MSLB), co-sponsored by the U.S. Nuclear Regulatory Commission (NRC) and other regulatory institutions. In particular, our work has been supported by the Spanish “Consejo de Seguridad Nuclear” (CSN) under a CSN research project. Our results for the steady states and the guided-core transients, proposed as exercise 2 of the MSLB benchmark, show small deviations from the mean results of all participants, especially in core average parameters. For the full-coupled core-plant transients, exercise 3, a detailed comparison with the University of Purdue–NRC results using PARCS/RELAP-5, shows quite good agreement in both integral and local parameters, especially for the more extreme return-to-power scenario.

More information

Item ID: 44297
DC Identifier: https://oa.upm.es/44297/
OAI Identifier: oai:oa.upm.es:44297
Official URL: http://www.ans.org/pubs/journals/nt/a_3484
Deposited by: Memoria Investigacion
Deposited on: 09 Jan 2017 19:28
Last Modified: 13 Jan 2023 12:15
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