EPJ Nuclear Sci. Technol.
Volume 1, 2015
|Number of page(s)||8|
|Published online||05 December 2015|
Thermal hydraulic simulations of the Angra 2 PWR
Departamento de Engenharia Nuclear, Universidade Federal de Minas Gerais Av. Antônio Carlos, 6627, Escola de Engenharia, Pampulha CEP 31270-901, Belo Horizonte, Brazil
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Received in final form: 15 July 2015
Accepted: 17 August 2015
Published online: 5 December 2015
Angra 2, the second Brazilian nuclear power plant, began the commercial operation in 2001. The plant is a pressurized water reactor (PWR) type with electrical output of about 1350 MW. In the present work, the thermal hydraulic RELAP5-3D code was used to develop a model of this reactor. The model was performed using geometrical and material data from the Angra 2 final safety analysis report (FSAR). Simulations of the reactor behavior during steady state and loss of coolant accident were performed. Results of temperature distribution within the core, inlet and outlet coolant temperatures, coolant mass flow, and other parameters have been compared with the reference data and demonstrated to be in good agreement with each other. This study demonstrates that the developed RELAP5-3D model is capable of reproducing the thermal hydraulic behavior of the Angra 2 PWR and it can contribute to the process of the plant safety analysis.
© J. González-Mantecón et al., published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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