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        검색결과 7

        1.
        2024.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In modern society, buildings are becoming more complex, and the population is becoming more densely populated. Such large buildings require a variety of evacuation measures, as there is a high possibility of large-scale human casualties due to increased evacuation distance and evacuation time in the event of a fire. Strobe light and exit sign light are used as important evacuation equipment to provide early warning and evacuation directions. In this thesis, we conducted a fire simulation assuming that a fire occurrence point notification function and a strobe light function were added to equipment such as visual alarms and evacuation guidance, and compared and analyzed the difference in evacuation completion time with existing equipment. The scenarios for the simulation were divided into “general fire situations” and “fire location and evacuation exit guidance situation” and the differences in evacuation completion time in the event of a fire were compared and analyzed for each floor from the 1st floor to the 3rd floor. The maximum travel distance to complete evacuation in the case of a fire on the first floor decreased by 80.6 m and the evacuation completion time decreased by 329.4 seconds, and the maximum travel distance to complete evacuation in the case of a second-floor fire decreased by 28.5 m and the evacuation completion time by 438.8 seconds. During the fire on the third floor, the maximum distance decreased until evacuation was completed to 3.4 m, and the evacuation completion time was reduced by 355.6 seconds. It is expected that if the congestion level of evacuation routes is reduced by utilizing the congestion level of evacuation exits when fire alarm systems and evacuation equipment are activated, the evacuation completion time will be further shortened and evacuations will be carried out quickly and safely.
        4,300원
        2.
        2024.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        많은 승객이 이용하는 여객선 등, 선박의 사고 예방을 위해 안전과 관련된 규정이 매년 강화되고 선박에 적용하고 있지만 선 박에서의 사고는 감소하지 않고 있다. 선박에서의 화재 사고 시 화재 발생 위치에 따라 승객의 탈출 시간이 변화하고, 유해 요인에 의한 위험성이 증가할 수 있다. 화재 위치 변화에 따른 유해 요인들의 위험성과 탈출 시간지연의 원인을 파악하고, 시간지연을 감소시키는 방 안을 모색하기 위한 연구를 진행하였다. 선박 승객 거주 구역 화재 시 연소생성물의 유동과 승객의 탈출 과정을 확인하기 위해 FDS를 기반으로 하는 Pyrosim과 Pathfinder를 이용하여 화재 및 승객 피난 시뮬레이션을 진행하였다. 화재 발생 위치 변화에 따라 탈출로의 가시 거리 평균값은 3.1m에서 4.2m로 탈출 과정에서 안전하지 않고, 승객의 탈출 시간은 화재가 발생하지 않은 경우보다 9초에서 34초가 늘어 나는 것을 확인하였다. 안전성 향상 방안인 제연설비를 임의로 적용하여 동일 시뮬레이션 진행하였다. 화재 구역의 평균 가시거리는 14.9m에서 22.0m까지 증가하여 개선되는 것을 확인할 수 있다. 제연설비 설치 여부에 따라 0.8초에서 8.3초의 탈출 시간이 개선되었다. 해당 구역의 안전성 향상 방안을 적용한 결과, 적정한 제연설비가 작동된 이후로 연소생성물에 의한 승객의 위험성이 감소함을 확인할 수 있다.
        4,000원
        6.
        2006.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The trends in building construction these days are moving towards having better work spaces and greater suitability for the use of information technology. Therefore people can work in a more relaxed delightful and pleasant environment. Accident such as like fire could cause the mass destruction of human beings. This paper aims to evaluate the path of the spread of a fire and the suitability of fire fighting appliances for maximum egress time. General advanced phase of compartment. Aswell, we analyzed and verified the path of the flame in compartment fires. Also we conducted an analysis of the adaptation of sprinkler systems concerned with sprinkler RTI. Moreover those evaluation is made more earlier by the development and use of computer simulation program and rapid progress to apply PBFD (Performance Based Fire Design).
        4,600원
        7.
        2003.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The trends in building construction these days are moving towards having better work space and greater suitability for the use of information technology, Therefore people can work in a more relaxed, delightful and pleasant environment. So accidents like fire could cause the mass destruction of human beings. In this paper, we estimated the escape time from a building and simulated the study results on computer to see how safe it would be in a real situation.
        4,200원