Cofrentes NPP (BWR/6) ATWS (MSIVC) Analysis with TRAC-BF1: 1D vs. Point Kinetics and Containment Response (NUREG/IA-0178)
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Publication Information
Date Published: March 2000
Prepared by:
A. Escrivá, M.D. Bovea, G. Verdú, J. L. Muñoz Cobo, UPV,
F. Castrillo, ID
Universidad Politecnica de Valencia (UPV)
Departmento de Ingenieria Quimica y Nuclear
Camino de Vera 14
46021 VALENCIA
SPAIN
IBRDROLA (ID)
Hermosilla, 3
28001 MADRID
SPAIN
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
Availability Notice
Abstract
Anticipated transient without scram (ATWS) are considered as events which might produce a severe accident in a boiling water reactor (BWR). It has been selected the most unfavourable of the different scenarios that could lead to an ATWS accident: an inadvertent closure of the main steam isolation valves (MSIVs).
To mitigate this accident, a borated water solution is injected. This action is an alternative way to shutdown the reactor quickly and effectively. This event has been analyzed using the TRAC-BF1 computer program.
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