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Risk-Informed Decision Making in Nuclear Power Plants

In: Safety and Risk Modeling and Its Applications

Author

Listed:
  • A. K. Verma

    (Indian Institute of Technology Bombay)

  • Ajit Srividya

    (Indian Institute of Technology Bombay)

  • Vinod Gopika

    (Bhabha Atomic Research Centre)

  • Karanki Durga Rao

    (Paul Scherrer Institut)

Abstract

Probabilistic Safety Assessment (PSA), also called Probabilistic Risk Assessment (PRA), is currently being widely applied to many fields, viz., nuclear facilities, chemical and process plants, aerospace, and even to financial management. PSA has been accepted all over the world as an important tool to assess the safety of a facility and to aid in ranking safety issues by order of importance. PSA essentially aims at identifying the events and their combination(s) that can lead to severe accidents, assessing the probability of occurrence of each combination, and evaluating the consequences. The main benefit of PSA is to provide insights into design, performance, and environmental impacts, including the identification of dominant risk contributors and the comparison of options for reducing risk. PSA provides the quantitative estimate of risk which is useful for comparison of alternatives in different design and engineering areas. Furthermore, PSA is a conceptual and mathematical tool for deriving numerical estimate of risk and quantifying the uncertainties in these estimates.

Suggested Citation

  • A. K. Verma & Ajit Srividya & Vinod Gopika & Karanki Durga Rao, 2011. "Risk-Informed Decision Making in Nuclear Power Plants," Springer Series in Reliability Engineering, in: Hoang Pham (ed.), Safety and Risk Modeling and Its Applications, pages 325-363, Springer.
    • Handle: RePEc:spr:ssrchp:978-0-85729-470-8_12
    DOI: 10.1007/978-0-85729-470-8_12
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