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전주시 중심가를 주행중인 승용차내 초미세먼지(PM2.5) 농도 변화에 대한 연구

A Study on the PM2.5 Concentration in the Car in Jeonju Downtown

  • 문형석 (한국해양대학교 대학원 토목환경공학과) ;
  • 김종수 (전주대학교 탄소융합공학과) ;
  • 김인수 (한국해양대학교 대학원 토목환경공학과)
  • Moon, Hyung Suk (Department of Civil and Environmental Engineering, Korea Maritime University) ;
  • Kim, Jong Soo (Department of Carbon Fusion Engineering, Jeonju University) ;
  • Kim, In Soo (Department of Civil and Environmental Engineering, Korea Maritime University)
  • 투고 : 2013.08.02
  • 심사 : 2013.10.15
  • 발행 : 2013.10.30

초록

대한민국 환경부는 전국 대도시 측정소의 절반 이상에서 초미세먼지(Particulate Matter, $PM_{2.5}$) 농도가 기준치를 초과함으로서 국민의 건강보호를 위한 초미세먼지 제거대책을 추진 중에 있다. 전주시 중심가에서 여러 가지 주행조건을 달리하고 주행 중에 승용차내 초미세먼지를 측정한 결과 공기순환모드(Actuator)를 내기모드로, 송풍기(Blower)를 2단으로 조절한 경우에 초미세먼지의 감소속도가 가장 신속하고 낮은 농도를 유지하였다. 주행중에 창문을 열면 외부의 오염원 진입과 더불어 내부 먼지의 비산이 발생하였으며 탑승인원의 증가도 초미세먼지의 비산을 유발하였다. 공기 청정용 필터는 현재 사용중인 절곡 폴리프로필렌 부직포가 가장 우수했으나, 초미세먼지와 함께 휘발성 유기물질의 제거를 위하여는 탄소흡착제인 활성탄소섬유(Activated Carbon Fiber Filter) 부직포 필터의 사용이 훨씬 효과적일 것으로 판단된다.

The Korea Ministry of Environment prepares some paticulate matter eliminate measures for national health protection, as the Paticulate Matter ($PM_{2.5}$) exceeds the standard at more than half of the monitoring posts installed in the nation's big cities. At the center of JeonJu, when measuring the ultrafine particles of inner car at the different driving conditions, at the condition of the Actuator of inner recirculation mode and the Blower of 2-speed, the reduction speed of the ultrafine particles is most fast and the concentration stays low. When the windows are opened during driving, outer pollutants enter the car and also inner paticulate matter flies in all direction, and the increase of passengers causes the scattering of the ultrafine paticles. As the filter for air cleaning, the using of polypropylene non-woven fabric (used commonly now) is most excellent, but for the removal of volatile organic substance as well as the paticulate matter, it is thought that the using of activated carbon fiber filter, carbon adsorbent, is even more excellent.

키워드

참고문헌

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