Methodology review for the ageing self-assessment applied at IEA-R1
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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
The ageing phenomenon is a general process that occurs in all kind of installation
in different ways of intensity depending on large spectrum of causes. In a Research
Reactor technological ageing and natural physical ageing associated to utilization
or decay are present in most of items. This way the main objective of this paper
is to describe the methodology applied to study and manage this effect in order to
preserve the installation integrity and in addition to present the current status of the
ageing management program.
Studies and ageing management self-assessment of IEA-R1 IPEN research reactor
were conducted following IAEA recommendations contained in the Technical
Report 338: "Methodology for the Management of Ageing of Nuclear Power Plant
Components Important to Safety", in the TECDOC 792: "Management of Research
Reactor Ageing" and in the IAEA - Service Series - "guidelines for the Review or
Research Reactor Safety".
The self-assessment resulted in the identification of critical components for the
ageing management program and also, recommendations for improvement of the
Inspection and Testing Plan and Organization of Documents and Records procedures
were included. The ageing studies carried out have provided useful information on
the present condition of the components of the system, for instance, identifying the
major repairs and refurbishing requirements for primary coolant systems.
Como referenciar
FALOPPA, A.A.; TING, D.K.S. Methodology review for the ageing self-assessment applied at IEA-R1. 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. 85-85. Disponível em: http://repositorio.ipen.br/handle/123456789/28785. 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.