United States Nuclear Regulatory Commission - Protecting People and the Environment

Assessment of MSIV Full Closure for Santa Maria De Garoila Nuclear Power Plant Using TRAC-BFl (G1J1) (NUREG/IA-0122, ICSP–GA–MSIV–T)

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Publication Information

Date Published: June 1993

Prepared by:
J. L. Crespo/University of Cantabria
R. A. Fernandez/Nuclenor, S. A.

University of Cantabria
FAC Ciencias. Seccion De Fisicas. Nuclenor
c/Hernan Cortes, 26
39080 Santander, Spain

Prepared as part of:
The Agreement on Research Participation and Technical Exchange
under the International Thermal-Hydraulic Code Assessment
and Application Program (ICAP)

Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

This document presents a spurious MSIV closure analysis for Santa Maria de Garoña Nuclear Power Plan describing the problems found when comparing calculated and real data.

The plant is a General Electric Boiling Water Reactor 3, containment type Mark I. It is operated by NUCLENOR, S.A. and was connected to the grid in 1971.

The analysis has been performed by the Applied Physics Department from the University of Cantabria and the Analysis and Operation Section from NUCLENOR, S.A. as a part of an agreedment for developing an engineering simulator of operational transients and accidents for Santa Maria de Garoña Power Plant.

The analysis was performed using the frozen version of TRAC-BF1 (G1J1) code and is the second of two NUCLENOR contributions to the International Code Applications and Assessment Program (ICAP).

The code was run in a Cyber 932 with operating system NOS/VE, property of NUCLENOR, S.A.. A programming effort was carried out in order to provide suitable graphics from the output file.

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