CAJ | 학술논문

在一台增压发动机上分别进行了燃用生物柴油和二甲醚的燃烧和排放试验研究。研究结果表明：增压发动机在高负荷下燃用生物柴油和二甲醚时，预混合燃烧不明显，出现扩散燃烧单峰的燃烧规律，生物柴油燃烧的单峰规律更明显。与生物柴油相比，二甲醚的缸内压力峰值、压力升高率幅值和放热率峰值均降低；NOx 排放大幅下降， HC排放和CO排放升高，碳烟排放和燃油消耗率降低。
재일태증압발동궤상분별진행료연용생물시유화이갑미적연소화배방시험연구。연구결과표명：증압발동궤재고부하하연용생물시유화이갑미시，예혼합연소불명현，출현확산연소단봉적연소규률，생물시유연소적단봉규률경명현。여생물시유상비，이갑미적항내압력봉치、압력승고솔폭치화방열솔봉치균강저；NOx 배방대폭하강， HC배방화CO배방승고，탄연배방화연유소모솔강저。
An experimental investigation of combustion and emissions characteristics was conducted on a turbocharged CI engine fueled with biodiesel and dimethyl ether ( DME) .The results show that the combustion for biodiesel and DME at high load presents the diffusion combustion mode, without the obvious premixed combustion, especially biodiesel.Com-pared to biodiesel, peak in-cylinder pressure, peak heat release rate and amplitude of pressure rise rate for DME de-crease.NOx emissions of DME significantly decrease, HC emissions and CO emissions increase, smoke emissions and BSFC decrease.