Combustion and emission characteristics of a common rail diesel engine run with n-heptanol-methyl oleate mixtures

被引:41
作者
EL-Seesy, Ahmed, I [1 ,2 ]
He, Zhixia [1 ]
Kosaka, Hidenori [3 ]
机构
[1] Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Benha Univ, Benha Fac Engn, Dept Mech Engn, Banha 13512, Qalubia, Egypt
[3] Tokyo Inst Technol, Sch Engn, Dept Syst & Control Engn, Tokyo, Japan
基金
中国国家自然科学基金;
关键词
Methyl oleate; n-heptanol; Optimization of Methyl oleate-n-heptanol blends; Diesel engine; Combustion characteristics; Emission parameters; GRAPHENE NANOPLATELET; FUEL BLEND; BIODIESEL; PERFORMANCE; BUTANOL; IGNITION; ESTER; ADDITIVES; OCTANOL; OXIDE;
D O I
10.1016/j.energy.2020.118972
中图分类号
O414.1 [热力学];
学科分类号
摘要
The purpose of the current study is to inspect the influence of the addition of n-heptanol with methyl oleate biodiesel fuel at various blending ratio on the combustion and emission parameters of a common rail diesel engine to attain their optimum ratio. The n-heptanol is added at 10%, 20%, 30% and 40%, which are denoted as H10B, H20B, H30B, and H40B respectively. Studying these mixtures stability, all blends were kept under observation for more than one month, and they were stable at ambient conditions. The measured physicochemical properties of n-heptanol-methyl oleate blends show that there is a reduction in their kinematic viscosity and cetane number. The results for methyl oleate illustrate that the peak pressure is slightly decreased by about 4%, while the soot and NOx emissions are diminished by about 2% and 6% respectively compared to pure diesel fuel. The soot and NOx emission are reduced by up to 90% and 15% respectively when adding n-heptanol. The bsfc is enlarged by around 5% methyl oleate while it is enlarged by 15% for n-heptanolmethyl oleate mixtures. It can be summarized from the combustion and emission results that the proposed mixing ratio of n-heptanol and methyl oleate fuel is H20B. (C) 2020 Elsevier Ltd. All rights reserved.
引用
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页数:14
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