Journal of Japan Society for Safety Engineering
Online ISSN : 2424-0656
Print ISSN : 0570-4480
ISSN-L : 0570-4480
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Volume 56, Issue 4
JOURNAL OF JAPAN SOCIETY FOR SAFETY ENGINEERING_2017_4
Displaying 1-16 of 16 articles from this issue
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PROPOSAL FOR SAFETY
REVIEW
ORIGINAL PAPER
  • Bayesian Estimation of Leak Frequency for Organic Hydride Hydrogen Refueling Stations
    [in Japanese]
    2017 Volume 56 Issue 4 Pages 245-254
    Published: August 15, 2017
    Released on J-STAGE: August 15, 2017
    DOIhttps://doi.org/10.18943/safety.56.4_245
    JOURNAL FREE ACCESS
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    In the recent years, fuel-cell-driven vehicles and hydrogen refueling stations are emerging towards the large-scale use of hydrogen. Organic hydrides such as methylcyclohexane （MCH） can be used as hydrogen energy carriers, the introduction of organic hydride hydrogen refueling stations using MCH （MCH hydrogen refueling stations） is being considered. In this report, we investigated a method to estimate the leak frequency using a hierarchical Bayesian model, which can be applied for a quantitative risk assessment of MCH hydrogen refueling stations. The hierarchical Bayesian model was based on a model reported by Sandia National Laboratories. Using Bayesian updating, the estimation results from the Sandia National Laboratories study were used as the prior distribution, which was then updated by incorporating the domestic leak frequency. Consequently, the estimated leak frequency and credible intervals applicable to quantitative risk assessment have been obtained.

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TECHNICAL REPORT
ACCIDENT ANALYSIS
SAFETY MANAGEMENT AND PROVISIONS IN THE CORPORATION
SALOON
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