한국가스학회지 (Journal of the Korean Institute of Gas)

  • 제21권5호
  • /
  • Pages.56-63
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  • 2017
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  • 1226-8402(pISSN)
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  • 2713-6922(eISSN)
한국가스학회 (The Korean Institute of GAS)
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액화수소 충전스테이션에서 VCE로 인한 피해영향평가에 관한 연구

A Study on the Evaluations of Damage Impact due to VCE in Liquid Hydrogen Charging Station

  • 이수지 (인하대학교 대학원 환경안전융합전공) ;
  • 천영우 (인하대학교 대학원 환경안전융합전공) ;
  • 이익모 (인하대학교 대학원 환경안전융합전공) ;
  • 황용우 (인하대학교 대학원 환경안전융합전공)
  • Lee, Suji (Dept. of Environment and Safety Convergence, Inha University) ;
  • Chon, Young Woo (Dept. of Environment and Safety Convergence, Inha University) ;
  • Lee, Ik Mo (Dept. of Environment and Safety Convergence, Inha University) ;
  • Hwang, Yong Woo (Dept. of Environment and Safety Convergence, Inha University)
  • 투고 : 2017.06.10
  • 심사 : 2017.09.28
  • 발행 : 2017.10.30
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초록

전세계적으로 수소 충전 스테이션 구축에 많은 투자와 지원을 하고 있는 실정이다. 그러나 수소는 폭발범위가 넓고 확산이 빠른 기체이다. 본 연구에서는 액화수소를 취급하는 소규모~대규모 충전스테이션을 대상으로, 사고시 발생하는 VCE로 인한 피해영향범위를 산출하고, 프로빗 모델을 통해 주변의 인적, 물적 피해를 예측하였다. 더불어, 벤트스택 끝단에서 발생 가능한 Jet fire를 시나리오로 선정하여 최적 높이를 설정하였다. 피해영향범위는 관심과압 6.9kPa을 기준으로 하여, 소규모 저장시설의 경우 8.24m, 중규모 14.10m, 대규모 22.38m이다. 폐출혈로 인한 인체 피해는 소규모와 중규모가 각각 50m, 대규모 100m였으며, 구조물 손상에 따른 피해는 소규모 200m, 중규모 300m 및 대규모 500m이다. 벤트스택의 최적높이는 소규모 4.7m, 중규모 8.8m 및 대규모 16.9m이다.

Hydrogen charging station was invested and supported around the world. In this study, the extent of damage caused by VCE in the charging station handling liquefied hydrogen was calculated, and the human and material damage was estimated through the Probit model. In addition The optimal height of vent stack for low temperature hydrogen was set. The damage range is 8.24m in small scale, 14.10m in medium scale, and 22.38m in large scale based on interest overpressure 6.9kPa. In case of death due to pulmonary hemorrhage, 50m of the small and medium scale and 100m of the large scale were injured. Structural damage was 200m in small scale, 300m in medium scale and 500m in large scale. The optimum height of the vent stack is 4.7 m in small scale, 8.8 m in medium scale and 16.9 m in large scale.

키워드

참고문헌

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피인용 문헌

  1. 개방 공간에서 발생하는 수소-공기 혼합 가스 폭연에 대한 실험적/해석적 연구 vol.36, pp.1, 2017, https://doi.org/10.14346/jkosos.2021.36.1.64