Impact of fuel components on PM and VOCs emissions from gasoline engines

被引：0
|
作者：
Zheng R. [1 ]
Li M.-R. [2 ]
Wang Y.-H. [1 ]
Niu H. [2 ]
Hu M. [2 ]
Shuai S.-J. [1 ]
机构：
[1] State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing
[2] State Key Laboratory of Environmental Simulation and Pollution Control, Peking University, Beijing
来源：
Shuai, Shi-Jin (sjshuai@tsinghua.edu.cn) | 1600年 / Chinese Society for Internal Combustion Engines卷 / 34期
关键词：
Fuel composition; Gasoline engine; Particulate matter; Polycyclic aromatic hydrocarbons; Volatile or-ganic compounds;
D O I：
10.16236/j.cnki.nrjxb.201601005
中图分类号：
学科分类号：
摘要：
Studies the impact of fuel components on particulate matter (PM) and volatile organic compounds (VOCs) emissions from a gasoline port fuel injection (PFI) engine and a gasoline direct injection (GDI) engine. Results show that, higher proportion of aromatics, alkenes or sulfur in gasoline fuel will lead to higher PM emissions. A small amount of methylcyclopentadienyl manganese tricarbonyl (MMT) can reduce the proportion of aromatics and alkenes gasoline fuel and thus reduce PM emissions. 10% of ethanol added to fuel has little effect on PM emissions. The PM from the PFI engine mainly consists of organic matter (OM) and a small amount of elemental carbon (EC) and inorganic ions, while the PM discharge from the GDI engine mainly consists of EC, OM and a small amount of inorganic ions. Higher proportion of aromatics in gasoline fuel will lead to higher polycyclic aromatic hydrocarbons (PAHs) emissions, and the toxicity of PAHs is stronger. Higher proportion of alkenes in gasoline fuel has little influence on PAHs emissions, but the toxicity of PAHs is stronger. The VOCs emitted from the engines mainly compose of 70, kinds of organic matter, including alkane, alkenes, aromatics, oxygenated volatile organic compounds, and alkynes. Burning of the fuel with higher aromatics content results in higher content of aromatics in VOCs. © 2016, Chinese Society for Internal Combustion Engines. All right reserved.
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页码：32 / 40
页数：8
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