本文对润滑油对柴油机颗粒物的粒径分布、形貌特征进行了实验研究.通过透射电镜(TEM)技术研究颗粒物形貌特征的变化.利用快速颗粒物光谱仪对颗粒物粒径分布和数量浓度进行分析.结果表明,润滑油参与燃烧增大了基本碳粒子的直径,尤其是低负荷工况更明显.润滑油的燃烧程度对颗粒物的结构有较大影响,燃烧越充分颗粒物结构越疏松,相反则紧凑.润滑油对核模态颗粒物的排放贡献较大,而对积聚态颗粒物数量浓度影响相对较小.
参考文献
| [1] | Adam Neer;Umit O. Koylu .Effect of operating conditions on the size, morphology, and concentration of submicrometer particulates emitted from a diesel engine[J].Combustion and Flame,2006(1/2):142-154. |
| [2] | Sandro Brandenberger;Martin Mohr;Koni Grob;Hans Peter Neukom .Contribution of unburned lubricating oil and diesel fuel to particulate emission from passenger cars[J].Atmospheric environment,2005(37):6985-6994. |
| [3] | Lihui Dong;Gequn Shu;Xingyu Liang;Yuesen Wang;Lina Liu .Effect of lubricating oil additives on particle size distribution and total number concentration in diesel engine[J].Lubrication Science,2012(7):325-338. |
| [4] | Moshan S.P. Kahandawala;John L. Graham;Sukh S. Sidhu .Impact of lubricating oil on particulates formed during combustion of diesel fuel--a shock tube study[J].Fuel,2004(13):1829-1835. |
| [5] | Zheng Li;Chonglin Song;Jinou Song;Gang Lv;Surong Dong;Zhuang Zhao .Evolution of the nanostructure, fractal dimension and size of in-cylinder soot during diesel combustion process[J].Combustion and Flame,2011(8):1624-1630. |
| [6] | M.Wentzel;H.Gorzawski;K.-H.Naumann;H.Saathoff;S.Weinbruch .Transmission electron microscopical and aerosol dynamical characterization of soot aerosols[J].Journal of Aerosol Science,2003(10):1347-1370. |
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