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| 喷油脉宽对高压共轨多次喷射油量波动的影响规律 | |
| 引用本文： | 苏海峰,李鹏志,郝刚,张幽彤.喷油脉宽对高压共轨多次喷射油量波动的影响规律[J].车用发动机,2011(6):38-41. |
| 作者姓名： | 苏海峰 李鹏志 郝刚 张幽彤 |
| 作者单位： | 1. 石家庄职业技术学院机电系,河北石家庄 050081;北京理工大学机械与车辆工程学院,北京 100081 2. 石家庄职业技术学院机电系,河北石家庄,050081 3. 北京理工大学机械与车辆工程学院,北京,100081 |
| 基金项目： | 河北省教育厅科研计划资助项目 |
| 摘 要： | 使用高压共轨多次喷射试验台进行了主预喷射和主后喷射两种模式下高压共轨两次喷射油量随间歇时间波动的规律研究.通过试验数据系统地总结了喷油脉宽对两次喷射油量波动的影响规律.研究结果表明,两次喷射中,第2次喷射的油量波动振幅随第1次喷油脉宽的增加呈先增大、后减小的周期性波动. |
| 关 键 词： | 高压共轨 多次喷射 油量波动 喷油脉宽 |
The Influence of Energizing Time on Multi-injection Fuel Quality Fluctuation in High Pressure Common-rail System |
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| SU Hai-feng,LI Peng-zhi,HAO Gang,ZHANG You-tong.The Influence of Energizing Time on Multi-injection Fuel Quality Fluctuation in High Pressure Common-rail System[J].Vehicle Engine,2011(6):38-41. | |
| Authors: | SU Hai-feng LI Peng-zhi HAO Gang ZHANG You-tong |
| Abstract: | The multi-injection fuel quality fluctuation taking place in the high pressure common rail(CR) system play a major role in controlling of multi-injection quality.The Law of twice time multi-injection fuel quality fluctuation with dwell time was investigated,under pilot-main injection and main-after injection modes,on high-pressure common rail multi-injection test-bed.The influences of energizing time(ET) on multi-injection fuel quality fluctuation under various conditions were systematically summarized using experimental data.It was found that,as the first injection energizing time increased,the second injection fuel quality fluctuation amplitude was increased firstly and then decreased,it was varied cyclically. |
| Keywords: | common rail multi-injection fuel quality fluctuation energizing time |
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