不同海拔对汽油车排放与油耗影响的研究  

A Research of the Effects of Altitude on the Emissions and Fuel Consumption of a Gasoline Vehicle

作　　者：倪红[1] 赵伟[2] 刘乐[2] 李孟良[2] 付铁强[2] 王玉伟[2] 

机构地区：[1]中国环境科学研究院,北京100012 [2]中国汽车技术研究中心,天津300300

出　　处：《汽车工程》2014年第10期1205-1209,1179,共6页Automotive Engineering

基　　金：国家高技术研究发展计划(863计划)(2011AA11A286)资助

摘　　要：对一辆汽油车在海拔环境模拟舱内进行0、1 520和3 030m海拔下的排放和油耗测试,结果表明,随着海拔的升高,空气密度降低,车辆行驶阻力减小,汽油车节气门开度和点火提前角增加,排气温度降低,车辆冷起动时的排放恶化,但油耗降低;海拔3 030m处,车辆CO、THC和NOx排放增加了17.8%,8.4%和29.7%,油耗降低9.5%。The emission and fuel consumption of a gasoline vehicle at an altitude of 0m,1 520 m and3 030 m above sea level are tested in an altitude simulation chamber. The results indicate that with the rise of altitude,the air density decreases,the resistance of vehicle reduces,the opening of throttle and the advanced angle of ignition timing increase,the temperature of exhaust gas lowers,the cold start emissions deteriorate,but the fuel consumption drops. At an altitude of 3 030 m the emissions of CO,THC and NOxincrease by 17. 8%,8. 4% and29. 7% respectively while the fuel consumption reduces by 9. 5%.

关 键 词：汽油车 海拔 排放 油耗 

分 类 号：U467.4[机械工程—车辆工程]