Journal of the Korean Institute of Gas (한국가스학회지)

The Korean Institute of GAS (한국가스학회)
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A Study on the Estimation of Human Damage Caused by Vapor Cloud Explosion(VCE) in LPG Filling Station

LPG자동차충전소에서 증기운폭발로 인한 인명피해예측에 관한 연구

  • Leem, Sa-Hwan (School of Mechanical Engineering, Korea University of Technology and Education) ;
  • Huh, Yong-Jeong (School of Mechatronics Engineering, Korea University of Technology and Education)
  • 임사환 (한국기술교육대학교 기계공학과) ;
  • 허용정 (한국기술교육대학교 메카트로닉스공학부)
  • Received : 2009.12.18
  • Accepted : 2010.04.07
  • Published : 2010.04.30
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Abstract

The demand of gas as an eco-friendly energy source has being increased. With increasing the LPG demand, the number of LPG filling station. In this work, the influence on over-pressure caused by Vapor Cloud Explosion in gas station was calculated by using the Hopkinson's scaling law and injury effect by the accident to a human body was estimated by applying the probit model. As a result of the injury estimation conducted by using the probit model for leakage 10% of 20ton storage tank. The distances from LPG station for death and tympanum rupture are 36.5 and 290 meters, respectively.

환경친화적인 에너지원으로서 가스의 수요가 날로 급증하고 있다. 이와 함께 LPG 자동차 충전소가 점진적으로 늘어나고 있다. 본 연구에서는 LPG 충전소에서 발생하는 증기운폭발 과압의 피해를 Hopkinson의 삼승근법을 이용하여 계산하고, 인체에 미치는 영향을 프로빗 모델에 적용하여 피해예측을 평가하였다. 현재 국내에서 가장 많이 운용하는 20ton 저장탱크를 대상으로 누출량 10%를 프로빗 모델에 적용하여 계산하면 LPG 충전소에서의 이격 거리는 각각 인체에 손상가능거리는 36.5m, 고막파열 손상가능거리는 290m이다.

Keywords

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