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세월호 침몰시의 힐링각변화 조건에서 승객의 정상적인 탈출시나리오에 관한 시뮬레이션 분석

Simulation Analysis on Passengers' Normal Evacuation Scenarios Considering the Changes of Heeling Angle during MV Sewol's Sinking

  • 황광일 (한국해양대학교 기계.에너지시스템공학부)
  • Hwang, Kwang-Il (Division of Mechanical and Energy Systems Engineering, Korea Maritime and Ocean University)
  • 투고 : 2014.12.31
  • 심사 : 2015.02.25
  • 발행 : 2015.02.28

초록

본 연구는 세월호 침몰 상황 시의 실제 힐링각 변화를 환경조건으로 하고 476명의 승선자에게 정상적인 탈출명령이 전달되었을 경우를 가정한 승객 탈출시나리오를 선박용 인적피난시뮬레이션을 활용하여 예측, 분석하였다. 연구 결과, 평지에서의 평균보행속도가 각각 1.48 m/s, 2.04 m/s인 경우 힐링각 $0^{\circ}$인 시나리오와 힐링각 $30^{\circ}$인 시나리오에서 탈출 소요시간은 다르지만 모든 승객이 매우 높은 확률로 탈출에 성공할 것으로 예측되었다. 또한 세월호 사고의 힐링각 변화를 반영한 시나리오의 시뮬레이션에서는 평지 평균보행능력을 2.04 m/s로 설정한 경우 Nav. deck(5층)의 우현 슈트로만 퇴선하는 시나리오(Sc-Va)에서는 평균 3.1 %, 우현의 모든 갑판으로 퇴선하는 시나리오(Sc-Vb), 우현의 모든 갑판과 선미로 향하는 통로를 이용해 퇴선하는 시나리오(Sc-Vc)에서는 각각 11.1 %, 20.0 %이 탈출에 성공하지만, 평지 보행속도를 1.48 m/s로 설정할 경우 각각의 시나리오에 대해 0.8 %, 3.8 %, 10.7 %만이 탈출에 성공할 것으로 예측되었다.

Under the conditions of invested actual changes of heeling angles during MV Sewol's sinking, this study proposes passengers' evacuation scenarios, which are based on the assumption of normal orders of evacuation being given to the passengers, and evaluates using a marine-specialized human evacuation simulation tool. As results, when the heeling angle is set as 0 degree or 30 degree, it is found out that almost every passengers can success to evacuate to the musterstations, even though the evacuation times are different depending on the scenarios and the walking speeds. Meanwhile, when the heeling angle is varied as the Sewol incident, 3.1 %(Scenario Sc-Va which set chutes on port side as evacuation routes), 11.1 %(Sc-Vb, every open decks of port side as evacuation routes) and 20.0 %(Sc-Vc, every open decks of port and AFT sides as evacuation routes) among 476 passengers can successfully reach to the musterstations from their cabins with the condition of average walking speed as 2.04 m/s on flat. And only 0.8 %(Sc-Va), 3.8 %(Sc-Vb) and 10.7 %(Sc-Vc) can success to evacuate with the condition of average walking speed as 1.48 m/s on flat.

키워드

참고문헌

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피인용 문헌

  1. Shipboard Fire Evacuation Route Prediction Algorithm Development vol.24, pp.5, 2018, https://doi.org/10.7837/kosomes.2018.24.5.519
  2. Fundamental Research for Escape Guidance System Development of Passenger Ship vol.41, pp.2, 2017, https://doi.org/10.5394/kinpr.2017.41.2.39