新油耗与排放法规下汽油发动机技术对燃油的要求  

REQUIREMENTS OF GASOLINE ENGINE TECHNOLOGY FOR FUEL UNDER NEW FUEL CONSUMPTION AND EMISSION LAWS

作　　者：杨友文[1] 胡云昊[1] 张子庆[1] 孟铭[1] 

机构地区：[1]上海汽车集团股份有限公司技术中心,上海201804

出　　处：《石油炼制与化工》2015年第6期101-106,共6页Petroleum Processing and Petrochemicals

摘　　要：阐述了我国油耗与排放法规的发展、现状与下一阶段的实施计划,从而探究在新油耗与排放法规下,汽油发动机技术、排放后处理技术的发展及新技术的应用。通过多批次满足国Ⅳ和国Ⅴ排放标准汽油燃油的检测,分析了国Ⅴ排放标准实施后,汽油主要指标馏程、芳烃含量和蒸气压等发生的变化,阐明这些指标对汽油发动机和排放后处理新技术的影响,提出了汽油发动机技术对燃油的要求。结果表明,国Ⅴ排放标准实施后,汽油存在组分重、芳烃含量高、冬季蒸气压偏低等问题。在汽油发动机和排放后处理新技术应用下,这些问题会影响发动机的正常运行,同时导致车辆油耗的升高和排放恶化。因此,改善车辆油耗与排放,要求严格控制燃油指标,提升燃油品质。The paper expatiated on the evolution of fuel consumption and emission regulations, cur- rent status, and the future plans in China. The development and application of gasoline engine and emis- sion technology under new fuel consumption and emission laws were delved. Based on the inspection on several batches of CN 1V and CN V gasoline, the change of distillation, aromatics content, and vapor pressure were analyzed after the introduction of the CN V gasoline emission standards. The effect of these indicators on gasoline engine and emission post-treatment technology was clarified. The require- ments of engine technology for fuel were suggested. The results indicate that after CN V gasoline was brought into effect, more problems exist, such as heavy components, high aromatics content, low vapor pressure in winter, resulting in abnormal running with higher fuel consumption and poorer emission if the new engine and emission technology are applied. Therefore, to improve the fuel consumption and emissions, the strict control of fuel indicators and the quality of fuels are necessary.

关 键 词：油耗 排放 汽油发动机 车用汽油 

分 类 号：U464.171[机械工程—车辆工程]