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Development of Air Cleaning Roll-Filter for Improving IAQ in Subway

도시철도 객실 공기질 개선을 위한 롤필터 개발연구

  • 권순박 (한국철도기술연구원 도시철도공기질개선연구단) ;
  • 박덕신 (한국철도기술연구원 도시철도공기질개선연구단) ;
  • 조영민 (한국철도기술연구원 친환경연구실) ;
  • 김종범 (한국철도기술연구원 도시철도공기질개선연구단) ;
  • 남궁석 ((주)성창에어텍) ;
  • 한태우 (선진엔지니어링) ;
  • 조관현 (서울메트로 기술연구소) ;
  • 김태성 (성균관대학교 기계공학과)
  • Received : 2011.01.04
  • Accepted : 2011.07.06
  • Published : 2011.08.26

Abstract

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.

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Cited by

  1. Status of PM in Seoul metropolitan subway cabins and effectiveness of subway cabin air purifier (SCAP) vol.16, pp.6, 2014, https://doi.org/10.1007/s10098-013-0708-1