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배성준(Sung Joon. Bae),정인영(In Yeong. Jeong),장우근(Woo keun. Jang),박덕신(Duck Shin. Park),권순박(Kwon Soon. Bark),김신도(Shin Do. Kim),이경빈(Kyoung Bin. Lee) 한국철도학회 2012 한국철도학회 학술발표대회논문집 Vol.2012 No.10
In 2010, platform screen door (PSD) has been installed in all platforms of Seoul subway line No. 1 to 8. Since the PSD blocks an entering of tunnel air pollutants into the platform, it has an effect to improve the platform air quality. However, in case of tunnel where outdoor air pollutants are directly entered though a forced ventilation opening without filter, the installation of PSD makes worse the air quality in platform. The reason of this is that amount of fresh air which is required for dilution of indoor air pollutant is decreased. Therefore, in the present study, a methodology to install the filter equipment in tunnel is suggested for improving the air quality in tunnel as well as platform.