Model 3D Cores for PWR Using Vessel Components in TRACEv5.OP3 (NUREG/IA-0460)

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Publication Information

Manuscript Completed: September 2015
Date Published: January 2016

Prepared by:
C. Mesado, R. Miró, T. Barrachina, G. Verdú

Institute for Industrial, Radiophysical and Environmental Safety (ISIRYM)
Universitat Politècnica de València
Camí de Vera, s/n
46021 Valencia, SPAIN

K. Tien, NRC Project Manager

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

Prepared as part of:
The Agreement on Research Participation and Technical Exchange Under the Thermal-Hydraulic Code Applications and Maintenance Program (CAMP)

Published by:
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

New models for Pressurized Water Reactor (PWR) with fully 3D cores were developed using TRACE thermal-hydraulic code. To develop these new models, TRACE code was chosen because it is been developed and will be probably licensed by the Nuclear Regulatory Commission (NRC). Thus, it is easy to take advantage of current and future features of TRACE. Three 3D different models were developed, they make use of the 3D vessel component in TRACE, either cartesian or cylindrical type. These models are especially suitable to simulate cross-flow, instabilities and in general asymmetric phenomena. All three models have been successfully tested.