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A Study on IDI Compression Ignition Engine with DME Low Pressure Injection
Published September 17, 2003 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Autumn Conference
DME has been researched as the next-generation fuel for the diesel engine. In the combustion process of DME, the mechanism of chemical reaction is being elucidated by the numerical analysis with computer technology. On the other hand, many of researches in the DME engine are used in the DI compression ignition engine, and engine performances were reported. However, the fuel supply system of DME CI engine has not been established.
In this research, the IDI compression ignition engine with low pressure injection was researched as a proposal of the fuel supply system. As a result, the air availability was improved in the prechamber which is the closed combustion space without being influenced by the atomization characteristic. An excellent engine performance and the exhaust gas characteristic were obtained in the DME low pressure injection with using gasoline direct injection technology.