乙醇汽油对国六直喷汽油车排放特性的影响

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Abstract To determine the effects of ethanol and fuel components on the exhaust emissions, five China-6 compliant GDI vehicles fueled with three E10 ethanol-gasoline with different compositions and one non-oxygenated China-6 gasoline were tested over the WLTC. The results indicated that burning E10 reduced CO by 6%, THC by 7%, and PM by 14%, but caused a slight increase in PN with mostly equal NO_x. When the contents of heavy aromatic hydrocarbons in E10 ethanol-gasoline increased, PN emissions increased markedly, PN emissions also showed a strong positive correlation with the PMI index.

Key words： emission particulate matter GDI ethanol aromatics

Received: 17 April 2020

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X51

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	Articles by authors
	YANG Zheng-jun
	GE Yun-shan
	WANG Xin
	LIU Jun-nü

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YANG Zheng-jun,GE Yun-shan,WANG Xin等. Effects of ethanol-gasoline on the exhaust emissions from China-6 compliant GDI vehicles[J]. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(12): 5213-5220.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2020/V40/I12/5213

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