Effect of charge dilution on gaseous and particulate emissions from a diesel engine fueled with biodiesel and biodiesel blended with methanol and ethanol
Effect of charge dilution on gaseous and particulate emissions from a diesel engine fueled with biodiesel and biodiesel blended with methanol and ethanol
复制标题
充气稀释对使用生物柴油和与甲醇和乙醇混合的生物柴油的柴油发动机的气体和颗粒物排放的影响
DOI:
10.1016/j.applthermaleng.2011.03.023
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发表时间:
2011-10
影响因子:
6.4
通讯作者:
Zhen Huang
中科院分区:
文献类型:
--
作者:
Lei Zhu;CS Cheung;Wugao Zhang;Zhen Huang
In this study, the effect of intake charge dilution with carbon dioxide on the combustion and emission characteristics of a 4-cylinder direct-injection diesel engine fueled with biodiesel, ethanol-biodiesel and methanol-biodiesel were investigated. With increase of intake CO2concentration, CO, HC, particulate mass concentration, particle number concentration and geometric diameter (GMD) of all fuels increased while NOxdecreased obviously. After addition of methanol and ethanol in biodiesel, the NOx, particulate mass concentration and particle number concentration decreased at each intake CO2concentration, compared with biodiesel. Moreover, as the intake CO2concentration increased from 2% to 5.6%, particulate mass concentration of the alcohol-biodiesel blends remained almost unchanged. It means that the combination of alcohol-biodiesel blends with intake charge dilution could reduce the NOxemission and maintains particulate mass concentration at a relatively low level.
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DOI:
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