In this work,the line pressure at fuel pump side and at injector side,nozzle needle lift and sound velocity of dimethyl ether (DME) were measured to evaluate DME injection process.

• 系统研究了二甲醚(DME)燃料的喷射过程,测试了不同工况下的油管泵端压力及嘴端压力、喷油器针阀升程和油管中燃料的音速。