柴油机供油提前角的正确与否直接关系到柴油机能否正常工作，并对其功率、燃油消耗率和排放标准都有直接的影响。
Whether the diesel engine fuel supply advance Angle exactitude or not, will directly affect the diesel engine's normal work, power, specific fuel consumption, emission standard, and so on.
结果表明：使用乙醇柴油混合燃料时，供油提前角的改变对燃料经济性的影响比较敏感，且相对使用纯柴油，适当减小供油提前角对提高燃料经济性有利。
The test result shows that the influence is more sensible when the ethanol-diesel blend fuel is used, and it is beneficial for increasing the fuel economy to reduce suitably fuel supply advance angle.
在单缸柴油机上分别使用纯柴油和乙醇柴油混合燃料，进行了改变供油提前角对发动机燃料经济性影响的试验。
The test on the(influence) of changing fuel supply advance angle on fuel economy was carried out on single cylinder diesel engine separately using diesel fuel and ethanol-diesel blend fuel.
对于喷油系统参数：喷油压力、静态供油提前角和油嘴凸出高度，三个参数进行调整试验，找到它们的最佳匹配。
There are three parameters of fuel injection system: response pressure, injection-advanced angle, injection valve bulge high degree, the best match was found by adjusting them.
比较分析了柴油机不同参数，包括喷雾碰撞形式、供油提前角、启喷压力等对第三代伞喷燃烧性能和排放的影响。
The effect of different diesel parameters such as spray impingement mode and fuel supply advanced Angle and injection opening pressure on the performance and emissions is compared and analyzed.
增大供油提前角可以减少燃烧过程前期的碳粒生成量，进而降低碳粒排放。
Soot formation can be restrained hence the emission of soot can be decreased with the increased injection advance Angle.
首次系统地研究了供油提前角、喷嘴启喷压力对E30混合燃料发动机性能的影响。
It's the first time to question extensively the influences of fuel delivery advance Angle and injection pressure on performance of E30 engine.
试验结果表明：在供油提前角、转速和负荷相同的情况下，燃用二甲醚时油管泵端和嘴端压力的上升和下降速度、压力峰值都比燃用柴油时低；
The results show that at the same fuel delivery advance angle, engine speed and load, the line peak pressure and rate of pressure increment and decrement of DME are lower than that of diesel fuel.
本文采用一类非线性自回归模型(NARX)，描述怠速过程中怠速供油量、点火提前角与曲轴转速之间的关系。
This paper presents a nonlinear autoregressive exogenous (NARX) model to approximate dynamics of crankshaft speed with the mass of the idle feeding fuel and the spark advance.
供油提前角相同时，两者额定工况的放热率图都呈单峰，前者最大爆发压力和最大压力升高率较低。
At the rated power, the HRR for each engine has only one peak, peak pressure and rate of pressure rise for DME engine is lower comparatively.
最后就柱塞副磨报后供油提前角和喷油压力的调整策略提出了新观点。
And new viewpoints about the adjust of the fuel delivery advance Angle and fuel-injection pressure were put forward under the condition of plunger wear.
这样通过调节电磁阀就可以实现发动机在不同工况下有最佳的供油提前角与之匹配，从而达到改善发动机经济性和动力性并降低废气排放之目的。
That the optimum fuel injection timing corresponding to one operating mode of engine is determined by adjusting the solenoid valve can improve economy and power, and lower the emissions of engine.
这样通过调节电磁阀就可以实现发动机在不同工况下有最佳的供油提前角与之匹配，从而达到改善发动机经济性和动力性并降低废气排放之目的。
That the optimum fuel injection timing corresponding to one operating mode of engine is determined by adjusting the solenoid valve can improve economy and power, and lower the emissions of engine.
应用推荐