Original Article
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Purpose: Smoke exhaust windows are often installed in accordance with relative laws. The smoke exhaust window is a natural exhaust system, and its exhaust rate is affected by the wind. Since the relative laws only specify the area of the smoke exhaust window, problems arise regarding its placement. Therefore, the exhaust rate according to the arrangement of the smoke exhaust window was confirmed. Method: In order to verify the exhaust rate by the arrangement of the smoke exhaust windows, the arrangement of the smoke exhaust windows was varied while keeping the area of the total smoke exhaust window the same. The wind direction was kept constant with smoke exhaust windows placed on the one, two, three, and four sides of the building. The change in exhaust rate of the smoke exhaust window according to external conditions was simulated through changes in wind speed. Result: In the case of a one-sided arrangement, when the smoke exhaust window faces the wind, the exhaust rate reduced by up to 60% compared to no wind at the maximum wind speed in the area. In the case of two-sided arrangement, if the smoke exhaust windows are not facing each other, the exhaust rate was shown to be reduced by up to 21% compared to windless conditions. In the case of a three-sided arrangement, the change in exhaust rate due to wind speed change was small, and in the case of four sided arrangement, the exhaust rate also improved as the wind speed increased. Conclusion: The outside wind affected the exhaust rate of the smoke exhaust window. Additionally, wind direction and speed are constantly changing. Therefore, when placing smoke exhaust windows, it is recommended to avoid placing them on just one side and, if possible, place them on three or more sides. When the smoke exhaust windows are placed on only two sides, they should be placed on opposite sides to ensure smoke exhaust rate through the smoke exhaust windows and achieve the purpose of placing the smoke exhaust windows.
연구목적: 배연창은 관련규정으로 인하여 많이 설치되고 있다. 배연창은 자연배기 방식으로 배연창의 배기성능은 바람의 영향을 받는다. 관련규정에서 배연창의 면적만을 명시하고 있어 배치위치에 대한 문제가 발생한다. 따라서, 배연창에 대해 배치에 따른 배기성능을 확인하였다. 연구방법: 배연창의 배치에 의한 배기성능을 확인하기 위하여 전체 배연창의 면적을 동일하게 하는 조건에서 배연창의 배치를 다르게 하였다. 배연창이 건축물의 1면에만 배치되는 경우와 2면, 3면 4면에 배치되게 한 상태에서 풍향을 일정하게 하고 풍속의 변화를 통해 외기조건에 따라 배연창의 배기성능 변화를 시뮬레이션하였다. 연구결과: 배연창이 1면에 설치되는 경우 바람과 배연창의 배치에 따라 맞바람을 받는 경우 해당지역 최대 풍속에서 무풍대비 배기성능은 60%까지 떨어졌다. 2면 설치의 경우도 배연창이 마주보는 경우가 아닌 경우 무풍조건에 비해 배기성능이 21%까지 낮아지는 모습을 보여주었다. 3면 설치의 경우 풍속변화에 의한 배기성능의 변화가 적었으며 4면 설치의 경우 풍속의 증강에 따라 배기성능도 좋아진다는 결과를 얻었다. 또한, 배기성능과는 별개로 내부 부속실의 차압변화는 최대 6.4Pa로 나타나 배연창의 배기성능의 변화가 제연설비에 미치는 영향은 비교적 적은 것으로 분석되었다. 결론: 배연창의 배기성능에 외풍이 영향을 주었다. 또한 풍향 및 풍속은 지속적으로 변화된다. 따라서 배연창의 배치에 있어 가급적 1면만 설치되는 것은 피하고 가급적 3면 이상 배치가 되어야 하는 것으로 나타났다. 부득이하게 배연창을 2면만 배치하는 경우 마주보는 면에 설치하여 배연창으로 인한 배연성능이 확보되도록 하여 배연창의 설치목적을 달성하도록 하여야 하는 것으로 나타났다.
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- Publisher :The Korean Society of Disaster Information
- Publisher(Ko) :한국재난정보학회
- Journal Title :Journal of the Society of Disaster Information
- Journal Title(Ko) :한국재난정보학회논문집
- Volume : 21
- No :1
- Pages :207-219
- DOI :https://doi.org/10.15683/kosdi.2025.3.31.207
Journal of the Society of Disaster Information
