期刊文献+

燃料特性和工况对直喷汽油机微粒排放的影响

下载PDF
导出
摘要 本文主要以家用轿车四缸增压直喷式汽油机为主对微粒粒径分布的特点进行研究分析,研究原料属性和相关运行参数等对直喷汽油机微粒排放方面的影响,经过考察研究可以得出,T90温度会对其有比较明显的影响,当温度升高的时候,微粒的排放数目会有所增加,在中等负荷下,微粒的排放浓度也会达到最高,当处在大负荷下,最大微粒的排放浓度会因为高温排气的氧化作用出现降低的情况;在汽油中加入10%的乙醇能够在一定程度上减小微粒的排放;喷射时刻提前可以增加燃料的蒸发时间,使得混合气更均匀,进而降低微粒排放,除此之外点火时刻也会对微粒的排放有明显的影响,延迟点火时刻也可以降低微粒的排放。
作者 王月雷
出处 《汽车与驾驶维修》 2018年第2期117-117,共1页 Auto Driving & Service
  • 相关文献

参考文献2

二级参考文献31

  • 1HEEJE S, KYEONG L, SEUNGMOK C. Effects of engine operating parameters on morphology of particu- lates from a gasoline direct injection (GDI) engine, SAE 2013-01-2574 [R]. Washingdon DC, USA: SAE, 2013.
  • 2ZHAO F, LAI M C, HARRINGTON D L. Automo- tive spark-ignited direct-injection gasoline engines [J]. Progress in Energy and Combustion Science, 1999, 25: 437-562.
  • 3SEONG H J, LEE K, CHOI S. Effects of engine op- erating parameters on morphology of particulates from a gasoline direct injection (GDI) engine, 2013-01-2574 [R]. Washington DC, USA: SAE, 2013.
  • 4原达.缸内直喷(GDI)汽油机微粒排放粒径分布特性研究[D].天津:天津大学,2012.
  • 5KAYES D, HOCHGREB S. Mechanisms of particu- late matter formation in spark-ignition engines: 1 Effect of engine operating conditions [J]. Environ- mental Science Technology, 1999, 33 (5) : 3957- 3967.
  • 6KETTERER J E,CHENG W K. On the nature of particulateemissions from DISI engines at cold-fast- idle[C]//SAE Paper.Detroit, Michigan, USA .2014,2014-01-1368.
  • 7AIKAWA K, SAKURAI T,JETTER J J. Development of apredictive model for gasoline vehicle particulate matter emissions[C]//SAE Paper. Detroit,Michigan,USA,2010,2010-01-2115.
  • 8LEACH F, STONE R, RICHARDSON D. The influence offuel properties on particulate number emissions from a directinjection spark ignition engine [ C]//SAE Paper. Detroit,Michigan, USA, 2013,2013-01-1558.
  • 9PIOCK W, HOFFMANN G,BERNDORFER A,et al. Strategiestowards meeting future particulate matter emission requirements inhomogeneous gasoline direct injection engines [ C]//SAE Paper.Detroit,Michigan,USA,2011,2011-01-1212.
  • 10BONATESTA F,CHIAPPETTA E, ROCCA A U Part-loadparticulate matter from a GDI engine and the connection withcombustion characteristics[J]. Applied Energy,2014(124) :366-376.

共引文献8

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部