Characteristics of Exhaust Diesel Particles from Different Oxygenated Fuels

Characteristics of Exhaust Diesel Particles from Different Oxygenated Fuels
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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:
Energy & Fuels
影响因子:
--
通讯作者:
Huang Zhen
Huang Zhen
中科院分区:
其他
文献类型:
--
作者:
Xu Zhen;Li Xinling;Guan Chun;Huang Zhen

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在一台轻型柴油机上研究了排气微粒的特性变化。商业柴油燃料(D100)被用作基线燃料,并具有相同的氧含量的三种不同的含氧燃料,包括50%的大豆基生物柴油混合物(B50),8%的碳酸二甲酯混合物(DMC 8),和13%的二甲氧基甲烷混合物(DMM 13),在这项研究中进行了测试。根据颗粒尺寸分布测量,与基础燃料相比,含氧燃料共混物减少积聚模式颗粒(直径> 50 nm),但不同程度地增加成核模式颗粒(直径< 50 nm)。B50的颗粒尺寸分布显示最低的聚集模式颗粒浓度伴随着最高的成核模式颗粒浓度。从OC/EC(有机碳/元素碳)分析,三种燃料混合物降低TC(总碳)排放在可比的水平。在不同的OC/EC比例下,B50和DMC 8分别产生最多的OC和EC材料。于...
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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