• Title/Summary/Keyword: Seong Sam-mun

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Determination of vehicle emission factor of NMHC from a tunnel study (터널 측정을 통한 비메탄계 탄화수소의 자동차 배출계수 산정)

  • Na Gwang-Sam;Kim Yong-Pyo;Kim Yeong-Seong;Mun Il
    • Proceedings of the Korea Air Pollution Research Association Conference
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    • 2000.11a
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    • pp.136-138
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    • 2000
  • The vehicle emissions of primary air pollutants are described by the emission factor (EF), defined as the emitted mass (g) of a compound per distance (km) and vehicle. The EF can be determined by exhaust measurements from single vehicles in dynamometric tests. However, the EF of a large number of vehicles has to be measured to obtain the representative results for actual road traffic emissions. Road traffic emissions can also be determined by exhaust measurements of driving vehicles or in tunnel measurements. (omitted)

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