Analyses of mechanism on roadside pollution by on-board emissions measurement system (characteristics of NOX emissions in vehicles with and without EGR system in real traffic conditions)

Yutaka Takada, Tomio Miyazaki, Norimasa Iida

研究成果: Article査読

抄録

On-board measurement system that can simultaneously obtain such information as road infrastructure, traffic conditions, driver's operations, vehicle running conditions and exhaust mass emissions, was installed in a light duty freight with EGR system and in one box vehicle without EGR system. In order to analyze mechanism of roadside pollution caused by vehicles, road tests were carried out in real traffic conditions. The vehicle with EGR system showed intensive NOx pollution to roadside in vehicle start, in which EGR rate was low, but it was effective to reduce NOX mass emissions at low speed running in traffic jams where EGR rate was rather high. In case of the vehicle without EGR system, intensive NO, pollution was observed in low speed running such as in traffic jams. The reduction of NOX during vehicle start is important for vehicles with EGR system to reduce intensive NO X pollution at roadside. EGR system is effective to reduce intensive NOx pollution for vehicles without EGR system during low speed running like in traffic jams.

本文言語English
ページ(範囲)1024-1031
ページ数8
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
71
3
DOI
出版ステータスPublished - 2005 3月

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 産業および生産工学

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