Morphology, composition, and structure of carbon deposits from diesel and biomass oil/diesel blends on a pintle-type fuel injector nozzle

被引：12
|
作者：
Wo, Hengzhou [1 ]
Dearn, Karl D. [2 ]
Song, Ruhong [1 ]
Hu, Enzhu [1 ]
Xu, Yufu [1 ]
Hu, Xianguo [1 ]
机构：
[1] Hefei Univ Technol, Sch Mech & Automot Engn, Hefei 230009, Peoples R China
[2] Univ Birmingham, Sch Mech Engn, Birmingham B15 2TT, W Midlands, England
来源：
TRIBOLOGY INTERNATIONAL | 2015年 / 91卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Biomass-oil; Diesel; Carbon deposit; Nozzle; SOOT; OIL; BIODIESEL; SPECTROSCOPY; CHEMISTRY;
D O I：
10.1016/j.triboint.2015.07.003
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A biomass oil/diesel blend was prepared using an emulsion method and combusted in a diesel engine. An injector was then removed and the morphology, composition, and structure of the carbonaceous deposits on the pintle-type nozzle were characterized using a combination of HRTEM, SEM/EDAX, Raman and XRD. Results showed that the carbon deposition of the emulsified fuel with high crystallinity was greater than that of diesel. The agglomerated particulate diameters of the deposited carbon from diesel and emulsified fuel were approximately 10-30 mu m and 50 mu m, respectively. The carbon deposition mechanism from the emulsified fuel was attributed to the high oxygen content of the groups leading to increased polymerization and subsequent condensation on the nozzle surfaces that was then carbonised. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：189 / 196
页数：8
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