Reliability Assessment of the Thermal Hydraulic Phenomena Related to a CAREM-like Passive RHR System
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.
ZANOCCO Pablo;
GIMÉNEZ Marcelo;
MARQUES Michel;
IOOSS Bertrand;
BOLADO LAVIN Ricardo;
PIERRO Franco;
GALASSI Giorgio;
D'AURIA Francesco;
BURGAZZI Luciano;
LORENZO Gabriel;
2008-10-08
CRC Press, Taylor & Francis Group
JRC47351
https://publications.jrc.ec.europa.eu/repository/handle/JRC47351,
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