A calculation method and experiment study of high-pressure common rail injection rate with solenoid injectors

被引：6
作者：
Gao, Ziguang [1 ,2 ]
Li, Guoxiu [1 ,2 ]
Xu, Chunlong [3 ]
Li, Hongmeng [1 ,2 ]
Wang, Min [3 ]
机构：
[1] Beijing Jiaotong Univ, Sch Mech Elect & Control Engn, Shangyuancun 3, Beijing 100044, Peoples R China
[2] Measuring & Control Technol Beijing Jiaotong Univ, Key Lab Vehicle Adv Mfg, Minist Educ, Beijing, Peoples R China
[3] China North Engine Res Inst, Tianjin, Peoples R China
来源：
SCIENCE PROGRESS | 2021年 / 104卷 / 02期
关键词：
High pressure common rail; injection rate profile; injection rate model; injection characteristics; diesel engine; SPRAY CHARACTERISTICS; EMISSION CHARACTERISTICS; OPERATED INJECTORS; DYNAMIC-BEHAVIOR; FUEL-INJECTION; DIESEL; COMBUSTION; BIODIESELS; STRATEGIES; ANALYZE;
D O I：
10.1177/00368504211026157
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
The high-pressure common rail system has been widely used owing to its precise control of fuel injection rate profile, which plays a decisive role in cylinder combustion, atomization, and emission. The fuel injection rate profile of high-pressure common rail system was studied, and a fuel injection rate profile calculation model is proposed. The model treats the injector as a black box. Some measured data are needed to calculate the parameters in the model. The rise and fall of injection rate is regarded as trigonometric function to reduce the complexity and increase the accuracy. The model was verified using two different types of fuel injectors. The model calculation results were evaluated under various data input conditions. The results show that the model has good applicability to different input data and injectors. In addition, because the model building requires a large amount of experimental data, a comprehensive analysis of various input data was also conducted. The injection profile was analyzed from a new perspective and the regularity of injection rate profile was established.
引用
收藏
页数：25
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