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Combustion Method of Diesel Engine Fueled with Hydrogen for High Efficiency
Published May 21, 2008 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Meeting
A hydrogen-fueled diesel engine was operated with DME added to intake gas because the ignition of hydrogen is enhanced by the chemical reaction of dimethyl ether (DME) during stroke and thus, it has a possibility of achieving high engine performance and stable operations. In this paper, combustion and exhaust emissions characteristics of hydrogen supplied by direct injection were examined by changing the amount of DME or the injection timing of hydrogen. In addition, premixed charge combustion ignition operation was attempted to achieve the combustion with low NOx and high thermal efficiency.