Measurement of the heat power generated by decay of fission products in fuel assemblies of the IEA-R1 research reactor
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Nuclear Engineering and Design
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Fuel assemblies of the IEA-R1 research reactor were probed in calorimetric experiments. A special calorimeter
was commissioned for that purpose. A theoretical model was proposed for the calorimeter. The fuel assemblies
EC214, EC210 and EC207 were probed with cooling times ranging from 22 hours to 1043 days and declared U235 burnup ratios ranging from 36 % to 45 %. Decay heat power was measured in the range of 4,1 W to 90 W,
within ±5 % uncertainty. Because decay heat power is closely correlated to the actual inventory of fission
products, the calorimeter was proven suited for enhancing non-destructive characterization of irradiated fuel
assemblies.
Como referenciar
PRADO, ADELK C.; TERREMOTO, LUIS A.A.; UMBEHAUN, PEDRO E.; ANDRADE, DELVONEI A. Measurement of the heat power generated by decay of fission products in fuel assemblies of the IEA-R1 research reactor. Nuclear Engineering and Design, v. 421, p. 1-8, 2024. DOI: 10.1016/j.nucengdes.2024.113053. Disponível em: https://repositorio.ipen.br/handle/123456789/48117. 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.