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

Aragonés Beltrán, José María and Ahnert Iglesias, Carolina and Cabellos de Francisco, Oscar Luis and García Herranz, Nuria 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:
  • Aragonés Beltrán, José María
  • Ahnert Iglesias, Carolina
  • Cabellos de Francisco, Oscar Luis
  • García Herranz, Nuria
  • Aragonés Ahnert, Vanessa
Item Type: Article
Título de Revista/Publicación: Nuclear Technology
Date: April 2004
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: http://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: 09 Jan 2017 19:28
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