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Advancement in living probabilistic safety assessment to increase safety of nuclear power plants

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Listed:
  • Muhammad Zubair
  • Gyunyoung Heo

Abstract

Among the energy resources, the energy obtained from nuclear power plants is very important for the prosperity of any country. Living probabilistic safety assessment is a growing field that provides a high level of safety for nuclear power plants. Living probabilistic safety assessment consists of different techniques, among them this article presents a method to update reliability data. This method is based on Binomial likelihood function and its conjugate beta distribution for demand failure probability, and Poisson likelihood function and its conjugate gamma distribution for operational failure rate. The method uses generic data for beta and gamma prior distribution, which is updated by using the reliability data update method. Reliability data update is a computer-based program used to update nuclear power plant data according to changing conditions. By updating the living probabilistic safety assessment it is possible to get an online risk monitor system that can be helpful in severe accident conditions, as in Fukushima accident, to make the man–machine system friendly.

Suggested Citation

  • Muhammad Zubair & Gyunyoung Heo, 2013. "Advancement in living probabilistic safety assessment to increase safety of nuclear power plants," Journal of Risk and Reliability, , vol. 227(5), pages 534-539, October.
    • Handle: RePEc:sae:risrel:v:227:y:2013:i:5:p:534-539
    DOI: 10.1177/1748006X13485192
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    References listed on IDEAS

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