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Effect Impurities on DEM-Powered Diesel Engine Performances~Emission Characteristics on Transient Conditions
Published May 20, 2009 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Conference
Effects of impurities of fuel, which are worried to mix during producing and delivering when DME fuel for vehicles is put on a market, on DME-powered diesel engine performances were investigated by Japanese transient mode (JE05 mode) test. In this report, effects of impurities on transient emission characteristics were evaluated. There are some peaky points increased CO emissions with transient operation. FAME (Fatty acid methyl ether)-blended DME increase CO emission with the peaky fuel-rich conditions. Propane and FAME increase CPC count because these might be made PM in peaky fuel-rich conditions.