한국화재소방학회논문지 (Fire Science and Engineering)

  • 제33권4호
  • /
  • Pages.41-49
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  • 2019
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  • 2765-060X(pISSN)
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  • 2765-088X(eISSN)
한국화재소방학회 (Korean Institute of Fire Science and Engineering)
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공연장 무대부 화재 시 자연배출구 및 방화막 영향 검토를 위한 축소모형 실험

Reduced-scale Model Experiment for Examination of Natural Vent and Fire Curtain Effects in Fire of Theater Stage

  • 백선아 (부경대학교 소방공학과 대학원) ;
  • 양지현 (부경대학교 소방공학과 대학원) ;
  • 정찬석 (부경대학교 소방공학과 대학원) ;
  • 이치영 (부경대학교 소방공학과) ;
  • 김동균 (한국산업기술시험원)
  • Baek, Seon A (Department of Fire Protection Engineering, Pukyong National University) ;
  • Yang, Ji Hyun (Department of Fire Protection Engineering, Pukyong National University) ;
  • Jeong, Chan Seok (Department of Fire Protection Engineering, Pukyong National University) ;
  • Lee, Chi Young (Department of Fire Protection Engineering, Pukyong National University) ;
  • Kim, Duncan (Korea Testing Laboratory)
  • 투고 : 2019.07.26
  • 심사 : 2019.08.08
  • 발행 : 2019.08.31
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초록

본 연구에서는 실존하는 공연장을 대상으로 1/14 비율로 축소하여 제작한 모형을 이용하여 공연장 무대부 화재 시 자연배출구 및 방화막 영향을 검토하였다. 자연배출구가 개방되고 방화막이 미설치된 경우에 무대부 온도가 낮은 것으로 나타난 반면, 객석부 온도의 경우 자연배출구가 개방되고 방화막이 설치된 경우에 낮은 것으로 측정되었다. 한편, 객석부 프로시니엄 개구부에 근접한 위치에서의 온도 상승 시점 분석을 통해 자연배출구 개방이 무대부에서 객석부로의 연기 유출 시작 시점을 지연시키고 객석부 온도 상승을 억제할 가능성이 있음을 확인하였다. 본 실험 조건에서 방화막 설치 여부는 자연배출구를 통한 유출 유동의 속도 및 질량 유량에 큰 영향을 미치지 않았는데, 이는 무대부에 존재하는 개구부 때문으로 판단된다. 본 실험 결과는 실제 공연장 화재 시 자연배출구 및 방화막 영향 평가를 위한 기초 데이터로 활용 가능할 뿐 아니라 전산시뮬레이션의 신뢰성 검증을 위한 자료로 이용될 수 있을 것으로 판단된다.

In the present experimental study, based on a real-scale theater, a 1/14 reduced-scale model was constructed, and the effects of natural vent and fire curtain in fire of a theater stage were investigated. The case without fire curtain under the opened natural vent showed lower temperatures in the stage, whereas the case with fire curtain under the opened natural vent showed lower temperatures in the auditorium. On the other hand, through analyzing the starting time of the temperature rise at the point near the proscenium opening in the auditorium, it was found that the opened natural vent condition can delay the starting time of smoke spread from the stage to the auditorium and suppress the temperature rise in the auditorium. Under the present experimental conditions, the fire curtain installation did not affect significantly the velocity and mass flow rate of the outflow through the natural vent of the stage, which might be due to openings in the stage. The present results can be used to examine the effects of natural vent and fire curtain in a real-scale fire of a theater and to check the accuracy of the numerical simulation code.

키워드

참고문헌

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