A MTR fuel element flow distribution measurement preliminary results
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2017
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60 YEARS OF IEA-R1: INTERNATIONAL WORKSHOP ON UTILIZATION OF RESEARCH REACTORS
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Resumo
An instrumented dummy fuel element (DMPV-01) with the same geometric characteristics
of a MTR fuel element was designed and constructed for flow distribution
measurement experiments at the IEA-R1 reactor core. This dummy element was also
used to measure the flow distribution among the rectangular flow channels formed
by element fuel plates. Two probes with two pressure taps were constructed and assembled
inside the flow channels to measure pressure drop and the flow velocity was
calculated using pressure drop equation for closed channels. This work presents the
experimental procedure and results of flow distribution measurement among the flow
channels. Results show that the flow rate in the peripheral channels is 10 to 15%
lower than the average flow rate. It is important to know the flow rate in peripheral
channels because of uncertainties in values of flow rate in the open channel formed by two adjacent fuel elements. These flow rates are responsible by the cooling of
external fuel plates.
Como referenciar
TORRES, W.M.; UMBEHAUN, P.E.; ANDRADE, D.A.; SOUZA, J.A.B. A MTR fuel element flow distribution measurement preliminary results. In: 60 YEARS OF IEA-R1: INTERNATIONAL WORKSHOP ON UTILIZATION OF RESEARCH REACTORS, November 28 - December 01, 2017, São Paulo, SP. Abstract... São Paulo, SP: Instituto de Pesquisas Energéticas e Nucleares, 2017. p. 62-63. Disponível em: http://repositorio.ipen.br/handle/123456789/28762. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.