Thermal-hydraulic analysis of the IEA-R1 research reactor – a comparison between ideal and actual conditions
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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
Thermal-hydraulic analysis were performed for the IEA-R1 research reactor considering
ideal, estimated and actual flow rate conditions through the fuel elements.
The ideal conditions were obtained dividing the total primary flow rate among the
fuel elements and the estimated conditions were calculated using the computer program
FLOW. The actual flow rate conditions were experimentally measured using
an instrumented dummy fuel element. The results show that the actual conditions
are far from ideal and calculated ones due to the high bypass flow that deviates the
active reactor core through the irradiation devices, gaps, couplings, etc..Thus, the
safety margins are smaller for the actual flow conditions.
Como referenciar
UMBEHAUN, P.E.; TORRES, W.M. Thermal-hydraulic analysis of the IEA-R1 research reactor – a comparison between ideal and actual conditions. 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. 88-88. Disponível em: http://repositorio.ipen.br/handle/123456789/28790. Acesso em: 27 Mar 2026.
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.