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Dimethyl ether (DME) seems to be a potential approach for improving the cold start performance for spark-ignited (SI) engines. In this paper, the cold start performance of an SI engine fueled with pure DME was experimentally investigated and compared with that of the original SI gasoline engine. The engine was successfully cold started with pure DME and pure gasoline, respectively. The test results...
Dimethyl ether (DME) is thought to be one of the most favorable alternative fuels or additives for internal combustion (IC) engines in the future. Because spark-ignited (SI) ethanol engines have the poor performance at cold start and low operating conditions caused by negative properties of ethanol such as the high latent heat, DME is introduced aiming at improving the engine economical and emissions...
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