Emissions of automobiles fueled with alternative fuels based on engine technology:A review

查看全文 作　　者：Yisong [1]Chen;Jinqiu [1]Ma;Bin [1]Han;Peng [1]Zhang;Haining [1]Hua;Hao [1]Chen;Xin [1]Su

机构地区：[1]School of Automobile,Chang'an University

出　　处：《Journal of Traffic and Transportation Engineering(English Edition)》索引2018年第5卷第4期,共17页

基　　金：supported by National Engineering Laboratory for Mobile Source Emission Control Technology(NELMS2017B02);the Special Fund for Basic Scientific Research of Central Colleges,Chang'an University(310822172203) 摘　　要：Diversi?cation of alternative fuels for automobiles is not only an actual situation,but also a development trend.Whether the alternative fuels are clean is an important issue.Emissions of automobiles fueled with natural gas(NG),methanol,ethanol,biodiesel,dimethyl ether(DME)and polyoxymethylene dimethyl ethersare investigated and reviewed based on engine technology and fuel properties.Compared to gasoline,NG/gasoline bi-fuel and NG automobiles have higher brake thermal ef?ciencies(BTE)and produce less HC,CO and PM emissions,while moreCompared to diesel,NG/diesel dual fuel automobiles have lower BTE and emit lower soot andbut higher HC and CO emissions.Methanol and ethanol blending in gasoline can obviously reduce the HC,CO and PM emissions of spark ignition(SI)automobiles.Methanol or ethanol blending in diesel may prolong the ignition delay,shorten the combustion duration and improve the BTE,resulting in lower soot emissions.However,the HC,CO andof methanol or ethanol diesel blend fuels are uncertain due to low cetane number,high latent heat of vaporization.Most biodiesel has higher viscosity,distillation temperature,cetane number and oxygen content than diesel.Soot emission of biodiesel is lower than that of diesel,whileis higher.Both DME andnot contain Ce C bonds and their blend with diesel can prohibit the formation of soot.high cetane number and low viscosity,resulting in better ignitability and spray quality respectively.shortens both the ignition delay and the combustion duration,improves the BTE,and increases the temperature in the diffusion combustion phase,leading to a higher NOx emission. 关键词：Natural gas METHANOL ETHANOL BIODIESEL PODEn EMISSION

相关文献

参考文献（129）
引证文献（8）
耦合文献（0）

参考文献(129)

引证文献(8)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Emissions of automobiles fueled with alternative fuels based on engine technology:A review

参考文献(129)

引证文献(8)

用户提示