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황인태(Hwang, In-Tae),김형근(Kim, Hyung-Geun),김미연(Kim, Mi-Yeon),안태경(Ann, Tae-Kyung),박진철(Park, Jin Chul) 대한건축학회 2015 대한건축학회논문집 Vol.31 No.8
This study was conducted to investigate contamination in the ventilation ducts in 32 apartment houses in Seoul. Duct contamination measurements were used based on endoscope camera. The results are as follows; In the case of ceiling heat exchangers, contamination in the exhaust diffuser areas of kitchen was severe. Also contamination in the case of under floor ventilation was serious at outdoor air-introduction components and the elbow areas of lower machine parts. To compare analyses of contamination level according to the installation of damper in ventilation system, intalled dampers contamination level on the floor ventilation types were higher than the ceiling ventilation types. According to the result of duct contamination measurement in apartment houses, the installation of dampers revealed importance factors in the contamination of microorganisms such as bacteria and mold.
지하철 역사 내 화재발생시 연기거동제어 시뮬레이션 연구
황성목(Seong-Mok Hwang),정민희(Min Hee Chung),박진철(Jin Chul Park),안태경(Tae-Kyung Ann) 한국생활환경학회 2016 한국생활환경학회지 Vol.23 No.1
When a subway station fire accident occurs, it is likely to cause large casualties, especially because it is unpredictable and has no set cycle. In order to prevent this type of accident, appropriate ventilation systems are essential for controlling smoke and providing safe evacuation conditions. To conduct this study, the Fire Dynamic Simulator based on Computational Fluid Dynamics is used to analyze the products of combustion and the Express Bus Terminal Station is selected as a model with a deep structure and many passengers. To determine the appropriate ventilation system for an underground subway station, Supply and Exhaust dominant ventilation systems are evaluated and the results of computational analysis are evaluated. The results show that the Exhaust system reduces carbon monoxide distribution by 33% and improves visibility by 41.86%.