Analysis of the LOBI Experiment Test BT—56 Using the RELAP5/MOD3.2 Code (NUREG/IA-0183)
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Date Published: June 2000
J. Blanco, E. Moralo, R. Sanjuan, C. Gómez
Union Fenosa Generacion S.A.
Central Nuclear Jose Cabrera
Prepared as part of:
The Agreement on Research Participation and Technical Exchange
under the International Code Application and Maintenance Program (CAMP)
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
This document has been drawn up by UNIÓN ELÉCTRICA FENOSA, S.A. (UNIÓN FENOSA), which participates in the Code Application and Maintenance Project (CAMP) as a member of UNIDAD ELÉCTRICA, S.A. (UNESA). The document presents a comparison between experimental data from the plant and data obtained by simulation with the RELAP5/MOD3.2 code of the experiment BT-56 which took place on 3rd July 1990 at the Joint Research Centre of the Commission of the European Communities, located in Ispra (Italy).
The experiment originally scheduled for the LOBI-MOD2 facility was a Loss of Main Feedwater (LOFW), but multiple failures occurred, meaning that the evolution of the experiment deviated it from the scheduled sequence.
The simulation was performed using the RELAP5/MOD3.2 code, on a Digital AlphaServer 2000 4/200 computer and the operating system DIGITAL-UNIX.
The results show an acceptable agreement between the phenomenology observed during the experiment and that predicted by the code.