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Effect of Injection Timing on Diesel Engine Particle Emission Performance
Author(s): Du Hongfei, Liu Jiangwei, Li Jiaxing, Dou Huili, Zhang Cheng
Pages: 37-
40
Year: 2016
Issue:
6
Journal: Automobile Technology
Keyword: Diesel engine; Injection timing; Particle; Emission performance;
Abstract: 在两种喷射压力、不同喷射角度下利用TSI 3090 EEPS发动机排气粒径分析仪对一台单缸柴油机排气颗粒物数量浓度、质量浓度、表面积浓度、体积浓度的粒径分布特性进行研究.试验结果表明,随着喷油角度提前,颗粒物数量浓度、质量浓度、表面积浓度、体积浓度降低,粒径分布曲线峰值向小直径粒子方向偏移,核态粒子所占比例增加,积聚态粒子所占比例减少.并且随着喷射压力降低,颗粒物数量浓度、质量浓度、表面积浓度、体积浓度显著升高.
Citations
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