简要介绍了一种新型的汽油机的稀薄燃烧系统，可以有效地降低燃油消耗率和废气排放。
This paper briefly introduces a new lean combustion system which can effectively reduce fuel consumption rate and exhaust emissions.
试验表明：喷油时刻对于降低燃油消耗率影响很大，小负荷时必须对喷油时刻进行精确控制；
The dynamometer test results showed that the injection timing had a large effect on the fuel consumption and it must be accurately and precisely controlled, when the engine was working at low load.
计算结果表明，选择合适的压缩比、喷油提前角，可以改善缸内的燃烧过程，降低燃油消耗率。
The calculation result indicates that choose the appropriate compression ratio, the Angle of fuel injection can improve the cylinder burn and reduce the fuel exhaust.
汽油机燃烧稀混合气是降低有害尾气排放、燃油消耗率的有效途径。
Lean burn mixture combustion of gasoline engine is an effective approach for reducing emissions and fuel consumption.
本文以495Q柴油机为例，论述了通过喷油系统与柴油机在速度特性上的合理匹配，降低柴油机低速烟度和燃油消耗率的方法和措施。
Taking Diesel 495Q as an example, methods and measures to reduce low-speed smoke intensity and fuel comsumption of diesels by rational match of both mentioned are stated.
以质量计的燃油消耗率有所增加，但以燃料热值计的比能耗降低。
The brake specific fuel consumption is increased, but brake specific energy consumption can be improved.
为降低涡轮机的燃油消耗率，在民用动力装置的涡轮中广泛地采用了可旋导向叶片的结构。
The variable angle guide vanes have been widely used for decreasing specific fuel consumption of the civil turbines.
实验结果表明，该系统对掺水率的控制精度可达1%以上，燃油消耗率平均降低7.8%。
Experimental results show that the systematic controlled precision for the ratio of water could reach 1% or better, and the heavy oil consumption could reduce 7.8% in average.
通过对企业副产煤气的综合利用，降低了轧钢加热炉燃油消耗和锅炉动力煤消耗，煤气的放散率大幅度降低，为企业创造了较大的经济效益和社会效益。
Through utilizing the byproduct - gas comprehensively , decrease the energy consumption of rolling heating furnace and boiler, and reduce gas of system , so get more economic and social benefit .
本文还进行了实机模拟试验，结果表明采用相继增压技术后将大幅降低机车柴油机的燃油消耗率，节油效果非常明显。
The paper also conducted a simulating experiment, displaying that the fuel consumption rate decreases largely after turbocharged, the saving in fuel is extraordinary obvious.
通过这些改进降低了燃油消耗率，并且能够燃烧高粘度重油，改善了低负荷性能，提高了主要零件的使用寿命。
After improvement, the fuel consumption has been reduced, the performance at low load and the life of main parts have been improved, furthermore, the high viscosity heavy fuel can be used.
随着EGR比率的增加，NOX排放大幅度降低，下降幅度达90%以上，而HC排放和燃油消耗率都随着上升，但排气再循环对CO排放的影响不是很大。
With the increasing of EGR ratio, NOX emission decreased more than 90%, at the same time, HC emission and fuel consumption increased, but EGR has little impact on co emission.
经试验实测，柴油机性能改善，燃油消耗率、机油消耗率有明显降低。
Tests showed that the engine performance, fuel and oil consumption were improved.
经试验实测，柴油机性能改善，燃油消耗率、机油消耗率有明显降低。
Tests showed that the engine performance, fuel and oil consumption were improved.
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