著者 |
Suzuki, Tomoya
en |
Suzuki, Tomoya
Grad Sch Environm & Informat Sci, Hodogayae Ku, Yokohama National University
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Shiota, Kento
Izato, Yu-ichiro
ORCID
0000-0003-1349-3214
en |
Izato, Yu-ichiro
Grad Sch Environm & Informat Sci, Hodogayae Ku, Inst Adv Sci, Hodogayae Ku, Fac Environm & Informat Sci, Hodogayae Ku, Yokohama National University
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Komori, Masahiro
ORCID
0000-0001-7800-1511
en |
Komori, Masahiro
Grad Sch Environm & Informat Sci, Hodogayae Ku, Inst Adv Sci, Hodogayae Ku, Fac Environm & Informat Sci, Hodogayae Ku, Minato Ku, Japan Petr Energy Ctr
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Sato, Koichi
en |
Sato, Koichi
Grad Sch Environm & Informat Sci, Hodogayae Ku, Inst Adv Sci, Hodogayae Ku, Fac Environm & Informat Sci, Hodogayae Ku, Minato Ku, Japan Petr Energy Ctr
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Takai, Yasuyuki
en |
Takai, Yasuyuki
Grad Sch Environm & Informat Sci, Hodogayae Ku, Inst Adv Sci, Hodogayae Ku, Fac Environm & Informat Sci, Hodogayae Ku, Minato Ku, Japan Petr Energy Ctr
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Ninomiya, Takayuki
en |
Ninomiya, Takayuki
Grad Sch Environm & Informat Sci, Hodogayae Ku, Inst Adv Sci, Hodogayae Ku, Fac Environm & Informat Sci, Hodogayae Ku, Minato Ku, Japan Petr Energy Ctr
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Miyake, Atsumi
en |
Miyake, Atsumi
Grad Sch Environm & Informat Sci, Hodogayae Ku, Inst Adv Sci, Hodogayae Ku, Yokohama National University
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内容記述 |
Although hydrogen refueling stations (HRSs) are becoming widespread across Japan and are essential for the operation of fuel cell vehicles, they present potential hazards. A large number of accidents such as explosions or fires have been reported, rendering it necessary to conduct a number of qualitative and quantitative risk assessments for HRSs. Current safety codes and technical standards related to Japanese HRSs have been established based on the results of a qualitative risk assessment and quantitative effectiveness validation of safety measures over ten years ago. In the last decade, there has been much development in the technologies of the components or facilities used in domestic HRSs and much operational experience as well as knowledge to use hydrogen in HRSs safely have been gained through years of commercial operation. The purpose of the present study is to conduct a quantitative risk assessment (QRA) of the latest HRS model representing Japanese HRSs with the most current information and to identify the most significant scenarios that pose the greatest risks to the physical surroundings in the HRS model. The results of the QRA show that the risk contours of 10(-3) and 10(-4) per year were confined within the HRS boundaries, whereas the risk contours of 10(-5) and 10(-6) per year are still present outside the HRS. Comparing the breakdown of the individual risks (IRs) at the risk ranking points, we conclude that the risk of jet fire demonstrates the highest contribution to the risks at all of the risk ranking points and outside the station. To reduce these risks and confine the risk contour of 10(-6) per year within the HRS boundaries, it is necessary to consider risk mitigation measures for jet fires. (c) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved. |