Yanfei Chen1, Jingjing He2,*, Hao Chen2,*, Xin Su2, Bin Xie2
Energy Engineering, Vol.119, No.3, pp. 1239-1259, 2022, DOI:10.32604/ee.2022.017847
Abstract 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… More >
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