Technical Research on CN 5 Light Duty Gasoline Vehicles to Meet the Emission Standard of ULEV70
This paper has introduced the achievements of a China Fifth Stage Emission Standard(CN5)in use gasoline vehicle meeting the requirements of California LEV Ⅲ stage Ultra-Low Emission Vehicle 70(ULEV 70)emission regulations through post-pro- cessing optimization and calibration optimization. By comparing the emission requirements, characteristics and influences on vehicle e- mission of The New European Driving Cycle(NEDC)cycle and Federal Test Procedure 75(FTP-75)cycle, the author optimized the calibration data and the three way catalyst(TWC).According to the results of vehicle emission tests, fresh catalyst emission is within 50%of the limits of the ULEV70 emission regulation and fully meets the fresh emission targets. The research indicates that the CN5 gaso- line vehicles can meet the ULEV70 emission regulations by optimizing the TWC and the calibration.
vehicle emission FTP75 cycle NEDC cycle TWC calibration
Fang Na Guan Yongchao Xia Zhang Yang Wulin Fang Yong Wang Junjun Wang Xing Li Xianan Long Yongsheng Yang Jun
DongFeng Motor Corporation Technical Center
国内会议
上海
英文
604-608
2017-10-24（万方平台首次上网日期，不代表论文的发表时间）