Browse Publications Technical Papers 2000-01-1832

Auto-Ignition and Combustion of n-Butane and DME/Air Mixtures in a Homogeneous Charge Compression Ignition Engine 2000-01-1832

Auto-ignition, which is observed in homogeneous and premixed charge compression ignition engines, allows expansion of the lean flammability limit of engine operation and realization of stable ignition and combustion over a range of ultra-lean conditions, where NOx emissions are very low. In this study, the basic combustion mechanism of auto-ignition and combustion was studied with initial mixture temperatures and compression speeds for n-butane and dimethyl ether. A single-mode type heat release process was observed with n-butane in the homogeneous charge compression ignition test engine.


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