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- W1987795215 abstract "현대사회는 많은 교통수단이 이용되고 있으며, 그 중 수도권 도시철도는 하루 평균 721만명이 사용하는 중요한 교통수단이다. 실내공기질에 대한 관심과 PSD의 설치로 인해 터널내공기질 문제에서 객실내 공기질로 이동하고 있다. 하지만 현재 객실내 공기질 향상을 위한 장치는 전무한 상태이며 기존 에어필터 기술 적용시 설치비용과 유지보수가 문제점으로 지적되고 있다. 연구의 최종목표는 미세먼지와 이산화탄소를 효과적으로 저감시킬수 있는 독립형 청정장치를 개발하는 것이고, 본 연구에서는 미세먼지 저감기능을 수행하는 롤필터 집진 장치개발을 목적으로 한다. 객실내 롤필터 집진장치를 설치할 수 있는 공간에 대해 조사하고, 이에 따른 도시철도 객실 먼지저감에 효과적인 시스템 구조를 제시하였으며, 적정 풍량을 산정하다. 유동해석과 먼지저감효율에 대한 수치해석적 연구를 통해 최적운영 조건을 분석하였다. 그리고 롤필터에 적용가능한 필터재질에 대하여 차압특성과 입자포집효율을 평가하여 객실 유닛에 가장 적합한 필터를 선정하였다. In a modern society, various type of transportation modes are utilized, among them the subway system is the one of the main transportation mode which more than 7.21 million people ride a day in Seoul. Due to the increased interests on the indoor air quality (IAQ) of underground facilities, public concerns on IAQ of subway system are increasing also. Platform screen door (PSD) recently installed at the whole stations of Seoul subway and tunnel washing-out appeared to be effective in reducing particulate matters in the platform and tunnel. However there has not been any attempt to improve IAQ of subway cabin inside. Most technologies for removing airborne particulate matters are known to be difficult to adopt on the subway cabin due to the problem of maintenance cost. Therefore, the object of this study is a practical development of cabin air cleaning system which can reduce the concentration of airborne particles and harmful gases at the same time. In this paper, we focused on the development of particle removing system utilizing a roll-filter for increasing operating time of air filter. The prototype of system was designed and manufactured based on the numerical prediction results. For rollfilter device, 5 candidate filter materials were tested in point of particle collection efficiency and pressure drop. It was found that the electrically charged filter material showed the highest performance among them." @default.
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- W1987795215 date "2011-08-26" @default.
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- W1987795215 title "Development of Air Cleaning Roll-Filter for Improving IAQ in Subway" @default.
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- W1987795215 doi "https://doi.org/10.7782/jksr.2011.14.4.313" @default.
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