Research on a Novel Oxygenate Blend as a Clean Diesel Fuel Additive

摘要

A new oxygenate blend of propylene glycol monopropyl ether and ethylene glycol dimethyl ether in a proportion of 2:1 by mass was studied as a clean diesel fuel additive. When a diesel fuel was added with 15% (v) to 25% (v) of it, smoke and CO from a diesel engine were lessened by the maximum of 95.1 % and 66.7%, respectively. NOx emissions did not change noticeably. HC emissions increased more than doubled. Engine in-cylinder peak pressure and ignition delay did not alter notably while in-cylinder pressure rising rate descended. Heat release rate fell down in premixing combustion whereas increased during diffusion combustion.