| 1. | Injection peak pressure
峰值喷油压力 |
| 2. | Peak injection pressure
峰值喷油压力 |
| 3. | ( 2 ) relation of quantity of fuel injection and needle vavle lift , rotation speed and pressure is got
( 2 )测定喷油量与针阀升程、喷油时间、主轴转速、喷油压力的关系。 |
| 4. | The direction of fuel spray after impingement and opening pressure of nozzle were important factors to influence fuel and air mixing and burning process
另外撞击反弹方向和喷油压力等也是影响混合气形成和燃烧的重要因素。 |
| 5. | The injection fuel pump with 2 . 5 mm diameter deliver pipe was analyzed and suitable for the power augmentation of tbd604b diesel according to the fuel injection pressure , fuel injection rate and duration of injection
经计算分析p10型喷油泵配用2 . 5mm高压油管，从喷油压力、喷油速率、喷油持续期等参数来看，完全可以满足提高功率后的tbd604b柴油机对燃油系统的要求。 |
| 6. | The technical line of the thesis is as follows : formula of quantity of fuel injection is got by studying relation of quantity of fuel injection and needle valve lift , time of fuel injection , rotation speed and pressure , and quantity of fuel injection is displayed
本课题研究的技术路线为:通过研究喷油量与针阀升程、喷油时间、主轴转速、喷油压力等的关系,推导出精确的喷油量计算公式,最终由显示器显示喷油量。 |
| 7. | A method based on the application of an injection process analysis software is introduced in this article , which optimize injection process through changing the design of fuel - injection pump cam . a model of 1115 single cylinder direct injection diesel engine is used as an example . with the help of pre - journey optimization , increasing cam lift and using tangent - function can make the matching of the injection system with the diesel more reasonable . without changing fuel pump installing size , it can enhance injection rate and injection pressure and improve the diesel operating stability in low speed condition
本文以国产1115型单缸直喷柴油机为例，介绍一种应用喷油过程分析软件改进喷油泵凸轮设计的方法，通过增大喷油泵凸轮升程、采用切线函数凸轮并优化预行程的方式，在不改变喷油泵安装尺寸的前提下，可提高喷油压力和喷油速率，改善柴油机低速工作稳定性，使喷油系统与柴油机匹配更合理。 |
| 8. | The investigation has declared that the fuel injection with bq fuel pump had higher injection pressure , bigger fuel supply rate and shouter fuel supply duration , which would cause the fuel injection quantity and the fule - air mixture to increase during ignition delay period , the pre - mixed combustion to become acutely , and finally result in increased power levels of noise
研究表明，装配bq喷油泵，喷油系统的喷油压力较高，供油速率较大和供油持续时间缩短，使得滞燃期的喷油量增加，滞燃期内形成的可燃混合较多，预混燃烧剧烈，导致整机噪声声功率级增加。 |
| 9. | The authors carry out data collection and calculation for fuel injection pressure and needle valve lift signals measured on the fuel pump test bed by using self - developed software . on the basis of experiments , four criteria for analysing fuel injection process are proposed and the comparison of performances between au and nu type fuel outlet valves is made
作者用自行开发的软件对在油泵试验台上测得的喷油压力、针阀升程信号进行了数据采集和计算，在试验的基础上提出了分析喷油过程的四个判据，给出了au型和nu型出油阀的性能比较结果。 |
| 10. | The contents of the thesis are as follows : ( 1 ) all the contents : magnetism sense fuel injector is designed . needle valve lift signal , rotation speed signal and pressure signal are collected and processed . circuit is designed . programme is programmed . ( 2 ) contents studied : the item is completed
本课题的研究内容有: ( 1 )本课题所要研究的内容包括:磁感喷油器的设计;针阀升程信号、主轴转速信号、喷油压力信号的采集与处理;系统硬件电路的设计;软件编程等。 |
