Journal of odor and indoor environment (실내환경 및 냄새 학회지)

Korean Society for Indoor Environment (한국실내환경학회)
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A study on the effect on indoor air quality by ventilation system operation in buses

고속버스 운행시 공조시스템 조건에 따른 객실 내 실내공기질 변화

  • An, Sun-Min (Life & Industry Environmental R&D Center in Pyeongtaek University) ;
  • Lee, Jung-Sub (Indoor environment and Noise Research Division, National Institute of Environment Research) ;
  • Shim, In-Keun (Indoor environment and Noise Research Division, National Institute of Environment Research) ;
  • Kim, Ho-Hyun (Life & Industry Environmental R&D Center in Pyeongtaek University)
  • 안선민 (평택대학교 생활 및 산업 환경 R&D센터) ;
  • 이정섭 (국립환경과학원 생활환경연구과) ;
  • 심인근 (국립환경과학원 생활환경연구과) ;
  • 김호현 (평택대학교 생활 및 산업 환경 R&D센터)
  • Received : 2018.10.26
  • Accepted : 2018.11.22
  • Published : 2018.12.31
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Abstract

In this study, the condition of the hazardous materials in the bus was monitored according to the ventilation mode of the air conditioning system during bus service. The bus was surveyed using the indoor air quality measurement method of public transportation vehicles within one year of delivery. We evaluate the $CO_2$ and $PM_{10}$, which are the controlled parameters in buses by the Ministry of Environment, and VOCs and HCHO, the non-controlled parameters. The $PM_{10}$ concentration increased due to outdoor air intake; however the $CO_2$ concentration was found to decrease. In addition, the concentration of VOCs and HCHO was found to decrease due to the forced ventilation system and the outdoor air intake. These results show that the concentration of the other materials except $PM_{10}$ can be changed due to the outside air concentration and forced ventilation system. Therefore, through indoor air quality characteristics of the bus according to air condition system are intended to be used as the basis of an operation manual.

Keywords

Acknowledgement

Grant : 대중 교통차량 내 실내공기질 측정 신뢰성 확보를 위한 측정방법 및 평가 기술개발

Supported by : 국립환경과학원

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