This study investigates the PN emission characteristics of direct injection petrol vehicles in Real Driving Emission (RDE) tests using a Portable Emission Measurement System (PEMS). The results of the study show that particulate matter emissions are mainly concentrated in suburban and high-speed conditions, and there is a significant positive correlation between PN emission levels and engine in-cylinder temperature. The higher the speed, the higher the emission level, but rapid acceleration will cause a large amount of particulate emissions in a short period of time. When VSP is above 0 kW/t, the higher the VSP, the higher the PN emission.
PN emission characteristics of light-duty GDI vehicles under real-driving conditions
Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022) ; 2022 ; Chongqing,China
Proc. SPIE ; 12500
2022-12-16
Conference paper
Electronic Resource
English
PN emission characteristics of light-duty GDI vehicles under real-driving conditions
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