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Evaluation of Safety Measures of a Hydrogen Fueling Station Using Physical Modeling

Abstract

Hydrogen fueling stations are essential for operating fuel cell vehicles. If multiple safety measures in a hydrogen fueling station fail simultaneously, it could lead to severe consequences. To analyze the risk of such a situation, we developed a physical model of a hydrogen fueling station, which, when using, the temperature, pressure, and flow rate of hydrogen could be simulated under normal and abnormal operating states. The physical model was validated by comparing the analytical results with the experimental results of an actual hydrogen fueling station. By combining the physical model with a statistical method, we evaluated the significance of the safety measures in the event wherein multiple safety measures fail simultaneously. We determined the combinations of failures of safety measures that could lead to accidents, and suggested a measure for preventing and mitigating the accident scenario.

Funding source: This work was supported by the Council for Science, Technology and Innovation (CSTI) through its Cross-ministerial Strategic Innovation Promotion Program (SIP), and “Energy Carrier” (funding agency: Japan Science and Technology Agency (JST)).
Related subjects: Safety
Countries: Japan
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/content/journal2711
2018-10-24
2022-10-01
http://instance.metastore.ingenta.com/content/journal2711
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