한국안전학회지 (Journal of the Korean Society of Safety)

  • 제36권4호
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  • Pages.71-79
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  • 2021
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  • 1738-3803(pISSN)
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  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
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주택 내 수소연료전지 전용실의 폭발 위험성에 대한 실험적 연구

An Experimental Study on the Explosion Hazards in the Fuel Cell Room of Residential House

  • 박병직 (한국건설기술연구원 수소인프라클러스터) ;
  • 김양균 (한국건설기술연구원 수소인프라클러스터) ;
  • 황인주 (한국건설기술연구원 수소인프라클러스터)
  • Park, Byoungjik (Hydrogen-infra. Research Cluster, Korea Institute of Civil Engineering and Building Technology) ;
  • Kim, Yangkyun (Hydrogen-infra. Research Cluster, Korea Institute of Civil Engineering and Building Technology) ;
  • Hwang, Inju (Hydrogen-infra. Research Cluster, Korea Institute of Civil Engineering and Building Technology)
  • 투고 : 2021.05.24
  • 심사 : 2021.08.02
  • 발행 : 2021.08.31
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초록

In this study, a real-scale fuel-cell room of volume 1.36 m3 is constructed to confirm the explosion characteristics of hydrogen-air mixture gas in a hydrogen-powered house. A volume concentration of 40% is applied in the fuel-cell room as the worst-case scenario to examine the most severe accident possible, and two types of doors (made of plastic sheet and wood) are fabricated to observe their effects on the overpressure and impulse. The peak overpressure and impulse based on distance from the ignition source are experimentally observed and assessed. The maximum and minimum overpressures with a plastic-sheet door are about 20 and 6.7 kPa and those with a wooden door are about 46 and 13 kPa at distances of 1 and 5 m from the ignition source, respectively. The ranges of impulses for distances of 1-5 m from the ignition source are about 82-28 Pa·s with a plastic-sheet door and 101-28 Pa·s with a wooden door. The amount of damage to people, buildings, and property due to the peak overpressure and impulse is presented to determine the safe distance; accordingly, the safe distance to prevent harm to humans is about 5 m based on the 'injuries' class, but the structural damage was not serious.

키워드

과제정보

본 연구는 국토교통부/국토교통과학기술진흥원의 지원을 받아 수행되었습니다(과제번호:21HSCT-B157909-02). 실험 장소 및 수행에 도움을 주신 부산대학교 선박해양플랜트기술연구원 연구진께 감사드립니다.

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