Thermal-Hydraulic Analysis Tasks for ANAV NPPs in Support of Plant Operation and Control
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Thermal-hydraulic analysis tasks aimed at supporting plant operation and control of nuclear power plants are an important issue for the Asociaci ´on Nuclear Asc ´o-Vandell ` os (ANAV). ANAV is the consortium that runs the Asc ´o power plants (2 units) and the Vandell ` os-II power plant. The reactors areWestinghouse-design, 3-loop PWRs with an approximate electrical power of 1000MW. The Technical University of Catalonia (UPC) thermal-hydraulic analysis team has jointly worked together with ANAV engineers at different levels in the analysis and improvement of these reactors. This article is an illustration of the usefulness of computational analysis for operational support. The contents presented were operational between 1985 and 2001 and subsequently changed slightly following various organizational adjustments. The paper has two different parts. In the first part, it describes the specific aspects of thermal-hydraulic analysis tasks related to operation and control and, in the second part, it briefly presents the results of three examples of analyses that were performed. All the presented examples are related to actual situations in which the scenarios were studied by analysts using thermal-hydraulic codes and prepared nodalizations. The paper also includes a qualitative evaluation of the benefits obtained by ANAV through thermal-hydraulic analyses aimed at supporting operation and plant control.
CitationReventos, F. [et al.]. Thermal-Hydraulic Analysis Tasks for ANAV NPPs in Support of Plant Operation and Control. "Science and technology of nuclear installations", 2008, p. 1-13.
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