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| DME部分预混压燃与缸内直喷复合燃烧的研究 | |
| 引用本文： | 李维,周龙宝,汪映,马骏. DME部分预混压燃与缸内直喷复合燃烧的研究[J]. 重庆交通学院学报, 2010, 0(3) |
| 作者姓名： | 李维 周龙宝 汪映 马骏 |
| 作者单位： | 西京学院汽车学院;西安交通大学能动学院; |
| 基金项目： | 国家自然科学基金资助项目(50706038) |
| 摘 要： | 在单缸二甲醚发动机上开展了DME部分预混压燃与缸内直喷混合燃烧(PCCI-DI)特性的研究。结果表明:DME PCCI-DI发动机具有较低的最高爆发压力和压力升高率。PCCI-DI DME发动机燃烧过程也表现出明显的两阶段放热特点,和HCCI DME发动机相比,两个放热峰值有所下降,第1个放热峰值位置基本不变,第2个放热峰值后移到上止点略后位置。 |
| 关 键 词： | PCCI 直喷 二甲醚 燃烧特性 |
Study onCombustion Characteristics of Partial Premixed Charge Compression Ignition-Direct Injection Engine Fueled with Dimethyl Ether |
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| LI Wei,ZHOU Long-bao,WANG Ying,MA Jun. Study onCombustion Characteristics of Partial Premixed Charge Compression Ignition-Direct Injection Engine Fueled with Dimethyl Ether[J]. Journal of Chongqing Jiaotong University, 2010, 0(3) | |
| Authors: | LI Wei ZHOU Long-bao WANG Ying MA Jun |
| Affiliation: | LI Wei1,ZHOU Long-bao2,WANG Ying2,MA Jun1(1.Department of Automobile,Xi Jing College,Xi'an 710123,Shaanxi,China,2.School of Energy & Power Engineering,Xi'an Jiaotong University,Xi'an 710049,China) |
| Abstract: | Experimental investigation on the combustion characteristics of PCCI-DI combustion by the partial pilot DME from the intake pipe is carried out.Results indicate that the engine has lower peak cylinder pressure and lesser rise rate of pressure.PCCI-DI DME engine also shows an obvious two-stage heat-release characteristic.Compared with HCCI DME engine,the peak values of two heat-release stages are reduced: the position of the first peak has almost no change and the position of the second peak shifts to the po... |
| Keywords: | partial premixed charge compression ignition(PCCI) direct injection dimethyl ether(DME) combustion characteristics |
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