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Characteristics of Diesel/N-Butanol Blend on a Common Rail Diesel Engine with Exhaust Gas Recirculation

Yanfei Chen1, Jingjing He2,*, Hao Chen2,*, Xin Su2, Bin Xie2

1 Nanjing Vocational Institute of Transport Technology, Nanjing, 211188, China
2 School of Automobile, Chang'an University, Xi'an, 710064, China

* Corresponding Authors: Jingjing He. Email: email; Hao Chen. Email: email

Energy Engineering 2022, 119(3), 1239-1259.


20% n-butanol is blended in diesel by volume (noted as D80B20) and experiment has been carried out to study the effect on the combustion and emission characteristics based on a common rail diesel engine with exhaust gas recirculation (EGR) system. The results reveal that D80B20 has longer ignition delay, shorter combustion duration and higher maximum in-cylinder temperature than pure diesel (noted as D100). Further, the number concentration and volume concentration of ultrafine particles decrease significantly while NOX emissions increase a little with the addition of n-butanol. When the exhaust gas is induced into cylinder, NOX emissions significantly decrease and ultrafine particles emissions increase. The number geometric mean diameters and volume geometric mean diameters of ultrafine particles increase with EGR ratio. Compared to D100 without EGR, D80B20 with 20% EGR ratio can reduce both NOX and ultrafine particles emissions at 0.14 MPa BMEP and 0.56 MPa BMEP.


Cite This Article

Chen, Y., He, J., Chen, H., Su, X., Xie, B. (2022). Characteristics of Diesel/N-Butanol Blend on a Common Rail Diesel Engine with Exhaust Gas Recirculation. Energy Engineering, 119(3), 1239–1259.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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