| 1. | Effect of fuel supply advance angle on noise of the whole diesel engine
供油提前角对柴油机整机噪声的影响 |
| 2. | Fuel supply advance angle
供油提前角 |
| 3. | It ' s the first time to question extensively the influences of fuel delivery advance angle and injection pressure on performance of e30 engine
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。 |
| 4. | Advanced gas engine test - bed is tested repeatedly to collect and analyze the data parameter of the injection advance , pressure compare and outside characteristics of the supercharging and mid cooling diesel - engines
采用先进的内燃机试验台架反复测试，对增压中冷柴油机的供油提前角、增压压比、外特性等各项性能参数进行数据采集，并对所采集的数据进行相关分析。 |
| 5. | The results indicate that the fuel delivery advance angle corresponding to the lowest fuel consumption of diesel engine is as similar as that of e30 engine . with the increase of fuel delivery advance angle , nox emission enlarges and smoke reduces
结果表明： e30混合燃料发动机的最低燃料消耗率对应的供油提前角与原柴油机相当，随供油提前角增大， e30的no _ x排放增加，但烟度降低。 |
| 6. | When the diesel engine fueled with emulsified fuels containing methanol from 10 to 20 percent with the angles of injection adjusted , the performances of it can be improved , thermal efficiency is raised from 5 to 8 percent , temperature of exhaust and smoke are descended
如果对供油提前角进行适当的调整，柴油机燃用含有10 20甲醇的乳化液时，其性能得到改善，折合燃油消耗率降低5 8 ，发动机的排气温度和烟度均下降。 |
| 7. | The main achievements are as follows : 1 it ' s for the first time to extensively investigate effects of main combustion system parameters such as plunger diameter , plunger stroke , fuel delivery advanced angle , valve opening pressure of nozzle on performance of dme engine . the parameters are optimized
取得的主要成果有： 1系统地研究了油泵柱塞直径和行程、供油提前角、喷嘴启喷压力等发动机燃烧系统主要参数对二甲醚发动机性能的影响，优化了这些参数。 |
| 8. | On the basis of looking up domestic and foreign literatures and consulting the facts of repairing factory , with 495t diesel engine machine as the study object and the fuel delivery advance angle as the study factor , this thesis has probed into the effect of the deviation of fuel delivery advance angle in each cylinder on exhaust and other performance of engine
本文在查阅国内外文献及参考修理厂实际情况的基础上，以修理后的495t直喷式柴油机为研究对象，以供油提前角为研究因素，探讨发动机各缸的供油提前角偏差情况对排放及其它性能的影响。 |
| 9. | 2 the load characteristics tests and exhaust emissions measurements of the engine are done at the original fuel delivery advanced angle and modified fuel delivery advanced angles when run on pure dme and different fuel blends consisting of predominant dme and some diesel fuel in the diesel engine stage experiments
2在柴油机台架实验中，进行了燃烧纯二甲醚以及不同比例的二甲醚和柴油的二元混合燃料模式的燃烧实验，完成了在原机供油提前角、改造后的供油提前角下的负荷特性实验和排放指标的测定。 |
| 10. | Lastly , experimentations are carried out on chaochai 6102bq engine and the data of the thermal parameters according to different oil - apply lead angle is derived . the influence of the change of oil - apply lead angle on the rate of heat release is researched , then a reference is provided for building an accurate heat release model
最后，在朝柴6102bq柴油机台架上进行了试验，对不同供油提前角下柴油机的热工参数进行实机测试，对试验结果进行了处理、分析，研究了供油提前角的改变对放热规律的影响，为建立该故障下的燃烧放热模型提供参考。 |
