A Research on the Real Driving Emission Characteristics of Light-duty Diesel Vehicles

Zhengjun Yang; Bingzheng Fu; Hang Yin; Jianwei Tan; Xiaoyan Zhou; Yunshan Ge

doi:10.19562/j.chinasae.qcgc.2017.05.002

A Research on the Real Driving Emission Characteristics of Light-duty Diesel Vehicles

Zhengjun Yang, Bingzheng Fu^*, Hang Yin, Jianwei Tan, Xiaoyan Zhou, Yunshan Ge

^*Corresponding author for this work

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

The real driving emissions from two diesel vehicles meeting Euro-IV and Euro-VI emission regulations respectively are measured using portable emission measurement system in accordance with real driving emissions (RDE) procedure newly formulated by EU. The results show that the NO_x emission factors of two vehicles with RDE procedure are 6.8~7.7 times as high as those with laboratory certification cycle NEDC, and the NO_x conformity factors (0.71~7.09) with NEDC, FTP75 and WLTC cycles and RDE procedure are all larger than those of CO (0.11~0.63). The instantaneous emission rate of NO_x rises with the increase of vehicle acceleration and under the suburban and motorway conditions, peaks in instantaneous emission rate of NO_x appear whenever vehicle acceleration exceeds the maximum acceleration in NEDC cycle. Accordingly particular attentions should be paid on the NO_x emission of light-duty diesel vehicles in formulating RDE regulation.

Original language	English
Pages (from-to)	497-502
Number of pages	6
Journal	Qiche Gongcheng/Automotive Engineering
Volume	39
Issue number	5
DOIs	https://doi.org/10.19562/j.chinasae.qcgc.2017.05.002
Publication status	Published - 25 May 2017

Keywords

Light-duty diesel vehicles
Real driving emissions

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title = "A Research on the Real Driving Emission Characteristics of Light-duty Diesel Vehicles",

abstract = "The real driving emissions from two diesel vehicles meeting Euro-IV and Euro-VI emission regulations respectively are measured using portable emission measurement system in accordance with real driving emissions (RDE) procedure newly formulated by EU. The results show that the NOx emission factors of two vehicles with RDE procedure are 6.8~7.7 times as high as those with laboratory certification cycle NEDC, and the NOx conformity factors (0.71~7.09) with NEDC, FTP75 and WLTC cycles and RDE procedure are all larger than those of CO (0.11~0.63). The instantaneous emission rate of NOx rises with the increase of vehicle acceleration and under the suburban and motorway conditions, peaks in instantaneous emission rate of NOx appear whenever vehicle acceleration exceeds the maximum acceleration in NEDC cycle. Accordingly particular attentions should be paid on the NOx emission of light-duty diesel vehicles in formulating RDE regulation.",

keywords = "Light-duty diesel vehicles, Real driving emissions",

author = "Zhengjun Yang and Bingzheng Fu and Hang Yin and Jianwei Tan and Xiaoyan Zhou and Yunshan Ge",

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doi = "10.19562/j.chinasae.qcgc.2017.05.002",

language = "English",

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T1 - A Research on the Real Driving Emission Characteristics of Light-duty Diesel Vehicles

AU - Yang, Zhengjun

AU - Fu, Bingzheng

AU - Yin, Hang

AU - Tan, Jianwei

AU - Zhou, Xiaoyan

AU - Ge, Yunshan

PY - 2017/5/25

Y1 - 2017/5/25

N2 - The real driving emissions from two diesel vehicles meeting Euro-IV and Euro-VI emission regulations respectively are measured using portable emission measurement system in accordance with real driving emissions (RDE) procedure newly formulated by EU. The results show that the NOx emission factors of two vehicles with RDE procedure are 6.8~7.7 times as high as those with laboratory certification cycle NEDC, and the NOx conformity factors (0.71~7.09) with NEDC, FTP75 and WLTC cycles and RDE procedure are all larger than those of CO (0.11~0.63). The instantaneous emission rate of NOx rises with the increase of vehicle acceleration and under the suburban and motorway conditions, peaks in instantaneous emission rate of NOx appear whenever vehicle acceleration exceeds the maximum acceleration in NEDC cycle. Accordingly particular attentions should be paid on the NOx emission of light-duty diesel vehicles in formulating RDE regulation.

AB - The real driving emissions from two diesel vehicles meeting Euro-IV and Euro-VI emission regulations respectively are measured using portable emission measurement system in accordance with real driving emissions (RDE) procedure newly formulated by EU. The results show that the NOx emission factors of two vehicles with RDE procedure are 6.8~7.7 times as high as those with laboratory certification cycle NEDC, and the NOx conformity factors (0.71~7.09) with NEDC, FTP75 and WLTC cycles and RDE procedure are all larger than those of CO (0.11~0.63). The instantaneous emission rate of NOx rises with the increase of vehicle acceleration and under the suburban and motorway conditions, peaks in instantaneous emission rate of NOx appear whenever vehicle acceleration exceeds the maximum acceleration in NEDC cycle. Accordingly particular attentions should be paid on the NOx emission of light-duty diesel vehicles in formulating RDE regulation.

KW - Light-duty diesel vehicles

KW - Real driving emissions

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A Research on the Real Driving Emission Characteristics of Light-duty Diesel Vehicles

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