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Development of the Control System Using EGR for the HCCI Engine Running on DME
Technical Paper
2005-32-0062
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English
Abstract
Homogeneous Charge Compression Ignition (HCCI) engine attracts much attention because of its high thermal efficiency and low NOx, PM emissions. On the other hand, Di-Methyl Ether (DME) is expected as one of alternative fuel for the internal combustion engines. In this study, four-stroke HCCI engine running on DME is developed to make it realistic application in production engines. This paper shows construction of the control method using both internal EGR at high temperature and external EGR at low temperature and estimates the performance of developed HCCI engine. Besides combustion characteristics of DME and the effects of EGR are researched with experiment and numerical calculation with elementary reactions. As a result, developed HCCI engine got comparable high thermal efficiency to conventional diesel engine but much lower Indicated Mean Effective Pressure (IMEP) than that. Meanwhile it can be said that DME is suitable fuel for the HCCI engines in combustion characteristics.
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Citation
Ikemoto, M., Kojima, Y., and Iida, N., "Development of the Control System Using EGR for the HCCI Engine Running on DME," SAE Technical Paper 2005-32-0062, 2005.Also In
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