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      Power calibration of the TRIGA mark I nuclear research reactor

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          Abstract

          This paper presents the results and methodology used to calibrate the thermal power of the TRIGA Mark I IPR-R1 Research Reactor at the Nuclear Technology Development Centre (CDTN), in Belo Horizonte, Brazil. The TRIGA Mark I is a pool type reactor, cooled by water natural convection. The method used in the calibration consisted in the steady-state energy balance of the primary cooling loop of the reactor. For this balance, the inlet and outlet temperatures and the water flow in this primary cooling loop were measured. The heat transferred through the primary loop was added to the heat leakage from the reactor pool. The thermal losses from the primary loop were not evaluated since the inlet and outlet temperatures were measured just above the water surface of the reactor pool. The temperature of the water in the reactor pool as well as the reactor room temperature were set as close as possible to the soil temperature to minimize heat leakages. These leakages are mainly due to the conduction through the concrete and metal walls and also due to the evaporation and convection through the water surface of the reactor pool.

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          Most cited references 11

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          Heat Transfer

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            Análise Termo-Hidráulica do Reator TRIGA IPR-R1 a 250 kW

             M. Veloso (1999)
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              Theory and Design for Mechanical Measurements

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                jbsmse
                Journal of the Brazilian Society of Mechanical Sciences and Engineering
                J. Braz. Soc. Mech. Sci. & Eng.
                Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM (Rio de Janeiro )
                1806-3691
                September 2007
                : 29
                : 3
                : 240-245
                Affiliations
                [1 ] Centro de Desenvolvimento da Tecnologia Nuclear
                [2 ] Centro de Desenvolvimento da Tecnologia Nuclear Brazil
                [3 ] Universidade Estadual de Campinas Brazil
                S1678-58782007000300002
                10.1590/S1678-58782007000300002

                http://creativecommons.org/licenses/by/4.0/

                Product
                Product Information: SciELO Brazil
                Categories
                ENGINEERING, MECHANICAL

                Mechanical engineering

                reactor, reactor power, TRIGA Reactor, thermal power

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