Effect of EGR and ignition on performance of spark-assisted compression ignition engine fueled with gasoline

被引：0
|
作者：
Zhou, You [1 ]
Hong, Wei [1 ]
Xie, Fang-Xi [1 ]
Su, Yan [1 ]
Liu, Yu [1 ]
Li, Xiao-Ping [1 ]
Duan, Jia-Quan [2 ]
机构：
[1] State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun,130022, China
[2] State Key Laboratory of Comprehensive Technology on Automobile Vibration and Noise & Safety Control, China FAW Group Co.，Ltd., Changchun,130022, China
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2023年 / 53卷 / 01期
关键词：
Fuel economy - Gas emissions - Gasoline - Ignition - Silicon - Timing circuits;
D O I：
10.13229/j.cnki.jdxbgxb20210523
中图分类号：
学科分类号：
摘要：
Based on a modified gasoline engine，this paper studied the effects of EGR rate and ignition timing on spark assisted homogeneous compression ignition （SACI） combustion and emission performance，and analyzed the relationship between the spark ignition/compression ignition（SI/CI）switching timing and combustion parameters. The results show that external exhaust gas recirculation （EGR）can effectively reduce pressure rise rate，and suppress knocking，it also plays a role in improving fuel economy and NOx emissions. By adjusting the ignition timing to fit CA50 and SI/CI switching timing within the range of 9~10°CA ATDC and 2°CA ATDC respectively，the engine can obtain the best torque and BSFC. © 2023 Editorial Board of Jilin University. All rights reserved.
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页码：31 / 40
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