Operator response modeling and human error probability in TRIGA Mark II research reactor probabilistic safety assessment

A. Hassan, M. Maskin, P. Prak Tom, F. Brayon, P. Hlavac, Faizal K.P. Kunchi Mohamed

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This study presents the quantitative part of the analysis of human actions (HAs) in human reliability analysis (HRA) for a research reactor level 1 probabilistic safety assessment (PSA). In responding to the abnormal conditions, type C HAs which are identified in the previous study are elucidated furthermore for their cognitive response element, prior to the quantification of their human error probabilities (HEPs). The HEPs are afterward quantified by mean of Standardized Plant Analysis Risk-Human Reliability Analysis (SPAR-H) method. For the type A and B HAs, their HEPs are quantified by using the Technique for Human Error Rate Prediction (THERP) method. Incorporation of the human failure events (HFEs) and their respective HEPs into the PSA models further allow the evaluation of human contribution to the risk associated with the operation of the research reactor. In this study, it is quantitatively shown that human attribute has major contribution to the risk and with the introduction of nominal level of procedure-performance shaping factor (PSF), risk can be significantly reduced.

Original languageEnglish
Pages (from-to)179-189
Number of pages11
JournalAnnals of Nuclear Energy
Volume102
DOIs
Publication statusPublished - 1 Apr 2017

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Research reactors
Reliability analysis
Risk analysis
Error probability

Keywords

  • Human error probability
  • Human failure event
  • Human reliability analysis
  • Performance shaping factor
  • Probabilistic safety assessment
  • Research reactor

ASJC Scopus subject areas

  • Nuclear Energy and Engineering

Cite this

Operator response modeling and human error probability in TRIGA Mark II research reactor probabilistic safety assessment. / Hassan, A.; Maskin, M.; Tom, P. Prak; Brayon, F.; Hlavac, P.; K.P. Kunchi Mohamed, Faizal.

In: Annals of Nuclear Energy, Vol. 102, 01.04.2017, p. 179-189.

Research output: Contribution to journalArticle

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