Reduction of particle emissions from gasoline vehicles with direct fuel injection systems using a gasoline particulate filter.
作者： Jihwan Jang , Jongtae Lee , Yonghyun Choi , Sungwook Park
DOI: 10.1016/J.SCITOTENV.2018.06.362
关键词:
摘要: Abstract To analyze the effect of a gasoline particulate filter (GPF) attachment on emissions direct injection (GDI) vehicles, this study compares emission results three types vehicles: conventional GDI vehicles with GPF at close-couple catalytic converter (CCC), and under-floor (UCC). Regulated matter (PM) particle number (PN) emitted from test were measured using gravimetric methods condensation counter (CPC) equipment. In addition, analyzed nanoparticle size distribution, organic carbon (OC), elemental (EC), ammonia (NH3) EEPS, OC-EC analyzer, HFIR cases regulated emissions, both PM PN satisfy EURO 6c are reduced when is attached. Particulate especially attached UCC position. This believed to be why soot layer formed in stable flow. Emissions nanoparticles OC/EC high US06 mode driving speed. considered influence regeneration as temperature exhaust gas rises. The NH3 also highest mode, which related conversion efficiency.
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