Application of REPAS Methodology to Assess the Reliability of Passive Safety Systems
Joint Authors
Pierro, Franco
Galassi, Giorgio
Araneo, Dino A.
D'Auria, Francesco
Source
Science and Technology of Nuclear Installations
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-18, 18 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2009-11-30
Country of Publication
Egypt
No. of Pages
18
Main Subjects
Engineering Sciences and Information Technology
Abstract EN
The paper deals with the presentation of the Reliability Evaluation of Passive Safety System (REPAS) methodology developed by University of Pisa.
The general objective of the REPAS is to characterize in an analytical way the performance of a passive system in order to increase the confidence toward its operation and to compare the performances of active and passive systems and the performances of different passive systems.
The REPAS can be used in the design of the passive safety systems to assess their goodness and to optimize their costs.
It may also provide numerical values that can be used in more complex safety assessment studies and it can be seen as a support to Probabilistic Safety Analysis studies.
With regard to this, some examples in the application of the methodology are reported in the paper.
A best-estimate thermal-hydraulic code, RELAP5, has been used to support the analyses and to model the selected systems.
Probability distributions have been assigned to the uncertain input parameters through engineering judgment.
Monte Carlo method has been used to propagate uncertainties and Wilks' formula has been taken into account to select sample size.
Failure criterions are defined in terms of nonfulfillment of the defined design targets.
American Psychological Association (APA)
Pierro, Franco& Araneo, Dino A.& Galassi, Giorgio& D'Auria, Francesco. 2009. Application of REPAS Methodology to Assess the Reliability of Passive Safety Systems. Science and Technology of Nuclear Installations،Vol. 2009, no. 2009, pp.1-18.
https://search.emarefa.net/detail/BIM-497291
Modern Language Association (MLA)
Pierro, Franco…[et al.]. Application of REPAS Methodology to Assess the Reliability of Passive Safety Systems. Science and Technology of Nuclear Installations No. 2009 (2009), pp.1-18.
https://search.emarefa.net/detail/BIM-497291
American Medical Association (AMA)
Pierro, Franco& Araneo, Dino A.& Galassi, Giorgio& D'Auria, Francesco. Application of REPAS Methodology to Assess the Reliability of Passive Safety Systems. Science and Technology of Nuclear Installations. 2009. Vol. 2009, no. 2009, pp.1-18.
https://search.emarefa.net/detail/BIM-497291
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-497291