Characteristics of Exhaust Diesel Particles from Different Oxygenated Fuels
Characteristics of Exhaust Diesel Particles from Different Oxygenated Fuels
复制标题
不同含氧燃料排出的柴油颗粒特征
DOI:
10.1021/ef401946t
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发表时间:
2013-12
期刊:
影响因子:
--
通讯作者:
Huang Zhen
中科院分区:
文献类型:
--
作者:
Xu Zhen;Li Xinling;Guan Chun;Huang Zhen
The characteristic variations of exhaust particles were investigated on a light-duty diesel engine. The commercial diesel fuel (D100) was used as a baseline fuel, and three different oxygenated fuels with the same oxygen content, including a 50% soybean-based biodiesel blend (B50), a 8% dimethyl carbonate blend (DMC8), and a 13% dimethoxy methane blend (DMM13), were tested in this study. From particle size distribution measurement, the oxygenated fuel blends reduce accumulation mode particles (diameter > 50 nm) but increase nucleation mode particles (diameter < 50 nm) in varying degrees compared to the base fuel. The particle size distribution for B50 shows the lowest accumulation mode particle concentration accompanying with the highest nucleation mode particle concentration. From OC/EC (organic carbon/elemental carbon) analysis, three fuel blends reduce the TC (total carbon) emission at a comparable level. With different OC/EC ratios, B50 and DMC8, respectively, produce the most OC and EC materials. On ...
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