문화기술의 융합 (The Journal of the Convergence on Culture Technology)

  • 제10권2호
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  • Pages.407-417
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  • 2024
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  • 2384-0358(pISSN)
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  • 2384-0366(eISSN)
국제문화기술진흥원 (The International Promotion Agency of Culture Technology)
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염소 운송차량 가스누출시 피해예측 및 대피방안

Prediction of Damages and Evacuation Strategies for Gas Leaks from Chlorine Transport Vehicles

  • 양용호 (우석대학교 일반대학원 소방방재학과) ;
  • 공하성 (우석대학교 소방방재학과)
  • 투고 : 2024.01.25
  • 심사 : 2024.02.25
  • 발행 : 2024.03.31
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초록

이 연구의 목적은 유해화학물질 중 하나인 염소를 운송하는 차량이 사고 등으로 전복되어 가스 누출 시 염소독성(ppm)에 의해 예상되는 피해를 예측하고 최소화를 위한 효율적 대응방안을 마련하는데 있다. 피해예측을 위해 염소차량 운행 중 운전자의 부주의 등으로 발생할 수 있는 염소 누출에 따른 독성(ppm) 피해거리를 ALOHA 프로그램을 적용하여 정량적으로 산정하였다. 독성가스 누출시 피해거리는 누출된 위험물의 양과 누출당시의 기상조건 등에 영향을 받는다. 따라서 위험물질의 누출량과 기상조건의 다양한 변화를 통해 피해거리를 다각적으로 분석하였다. 중간 이하의 조건(누출량:5ton, 풍속:3m/s, 대기안정도:D)으로 산정한 피해거리는 AEGL-2의 경우(LOC:2ppm) 9km로 나타났으며, 이는 염화수소의 독성과 유사하고 심각한 호흡장해 등 인명피해를 발생시킬 수 있는 농도이다. 특히, 도심지역에서의 누출은 대규모 인명피해로 연결될 수 있다. 이에 누출사고 발생 시 누출지점 및 누출량에 따른 적절한 대응을 통해 피해를 최소화 하는 방안을 제시하였다.

The objective of this study is to predict and reduce potential damage caused by chlorine gas leaks, a hazardous material, when vehicles transporting it overturn due to accidents or other incidents. The goal is to forecast the anticipated damages caused by chlorine toxicity levels (ppm) and to design effective response strategies for mitigating them. To predict potential damages, we conducted quantitative assessments using the ALOHA program to calculate the toxic effects (ppm) and damage distances resulting from chlorine leaks, taking into account potential negligence of drivers during transportation. The extent of damage from toxic gas leaks is influenced by various factors, including the amount of the leaked hazardous material and the meteorological conditions at the time of the leak. Therefore, a comprehensive analysis of damage distances was conducted by examining various scenarios that involved variations in the amount of leakage and weather conditions. Under intermediate conditions (leakage quantity: 5 tons, wind speed: 3 m/s, atmospheric stability: D), the estimated distance for exceeding the AEGL-2 level of 2 ppm was calculated to be 9 km. This concentration poses a high risk of respiratory disturbance and potential human casualties, comparable to the toxicity of hydrogen chloride. In particular, leaks in urban areas can lead to significant loss of life. In the event of a leakage incident, we proposed a plan to minimize damage by implementing appropriate response strategies based on the location and amount of the leak when an accident occurs.

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