Journal of ILASS-Korea (한국분무공학회지)

Institute for Liquid Atomization and Spray Systems-Korea (한국분무공학회)
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Particle Emission Characteristics of Heavy-duty Diesel Engine using Aftertreatment Systems

후처리장치 부착에 따른 대형디젤엔진의 입자 배출특성

  • 권상일 (국립환경과학원 교통환경연구소) ;
  • 박용희 (국립환경과학원 교통환경연구소)
  • Received : 2012.09.03
  • Accepted : 2012.09.14
  • Published : 2012.09.30
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Abstract

This study was primarily focused on the experimental comparison of the particle emission characteristics for heavy duty engine. PM and particle number from various heavy duty engines and DPF type were analyzed with a golden particle measurement system recommended by the Particle Measurement Program. And the repeatability and reproducibility between test mode was analyzed. This study was conducted for the experimental comparison on particulate emission characteristics between the European and World-Harmonized test cycles for a heavy-duty diesel engine. To verify the particulate mass and particle number concentrations from various operating modes, ETC/ESC and WHTC/WHSC, both of which will be enacted in Euro VI emission legislation, were evaluated. Real-time particle formation of the transient cycles ETC and WHTC were strongly correlated with engine operating conditions and after-treatment device temperature. A higher particle number concentration during the ESC mode was ascribed to passive DPF regeneration and the thermal release of low volatile particles at high exhaust temperature conditions.

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References

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