Title: Reliability Assessment of the Thermal Hydraulic Phenomena Related to a CAREM-like Passive RHR System
Other Contributors: LORENZO Gabriel
Citation: Safety, Reliability and Risk Analysis: Theory, Methods and Applications, ISBN: 978-0-415-48792-4 vol. 4 p. 2899-2907
Publisher: CRC Press, Taylor & Francis Group
Publication Year: 2008
JRC N°: JRC47351
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC47351
Type: Articles in periodicals and books
Abstract: In this paper, RMPS methodology is used for estimating the reliability of the safety function associated to the Passive Residual Heat Removal System of a CAREM-like advanced reactor. The passive system assessment is made on a basis of a Loss of Heat Sink transient. Given this scenario, the safety function is to remove the core decay heat after the actuation of the shut-down system, thus reducing the primary system pressure and leading the plant to a safe condition. In order to accomplish the evaluation of the functional reliability, the following RMPS steps were followed: system identification; system modeling; characterization of TH phenomena; direct Monte Carlo simulation; sensitivity analysis and quantitative reliability estimation. As main outcome, an estimate of the functional reliability was achieved by Monte Carlo simulations based on a response surface model.
JRC Directorate:Energy, Transport and Climate

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