介绍一套获取发动机脉谱图的自动化装置,并利用该装置对465发动机的喷油、点火脉谱图进行了测定,验证了该系统的可行性。
This paper introduces a set of devices for making the map of the engines fuel injection and ignition, and by the test of the 465 engine we have testified the feasibility of the system.
在高速柴油发动机喷油系统性能检测中,一般以燃油压力信号作为喷油系统性能检测参量。
The fuel pressure signal was considered as the performance testing parameter of the spray system in high speed diesel engine performance testing.
结果表明:与柴油相比,发动机燃用二甲醚时的喷油延迟期延长,滞燃期缩短,最高爆发压力和最大压力升高率均低于柴油机。
The results show that DME operation has longer injection delay, lower maximum cylinder pressure, lower ratio of pressure rise, shorter ignition delay in comparison with diesel operation.
该文介绍了装甲车用发动机高压共轨喷油系统的基本结构、研制原理、喷油量、喷油压力调节及喷油参数设计。
This paper introduces the high pressure common rail injecting system's structure, developed theory , fuel injection quantity, fuel injection pressure's adjusting and parameter's design.
主要研究了火花点燃式发动机采用二次喷油技术实现稀薄燃烧时,可变涡流对燃油经济性的影响情况。
The effect of variable swirl on the fuel consumption of SI engine when TEFI (Twice Electronic fuel Injection) was adopted to lean burn combustion was studied.
发动机电子控制主要包括喷油控制、点火控制以及怠速控制等。
Electronic control of the vehicle engine includes electronic fuel injection, electronic spark control and idle speed control.
通过对发动机进行的负荷特性和外特性对比试验结果表明,高压共轨电控喷油系统在提高发动机经济性和改善排放方面具有巨大潜力。
The constant speed and full-load characteristics tests showed that the system had great potential to improve the engine economic performance and exhaust emissions.
对发动机喷油系统参数对二甲醚(DME)喷雾燃烧过程的影响进行了实验研究,包括喷孔直径和喷油提前角对喷雾燃烧过程的影响。
The influence of injection parameters including the nozzle diameter and injection timing on the spray and combustion process of dimethyl ether (DME) was investigated.
PC032压力传感器:用于柴油发动机进气歧管内绝对压力的检测,向ECU(电控单元)提供信号,实现对发动机喷油持续时间的控制。
PC032 Pressure Sensor: It can test manifold absolute pressure of diesel engine, provide the signal to ECU, then control the lasting time of the fuel injection.
针对四缸四冲程汽油发动机,建立了合理的发动机数学模型,并对模型发动机进行仿真标定实验,获得喷油MAP图。
An engine model was established for the 4 cylinder 4 stroke gasoline engine. And the fuel MAP of the mode engine was obtained by scaling experiment.
数值模拟加深了作者对发动机内部流场以及喷油雾化的认识,模拟的结果也可以为进一步优化TY 3100柴油机的结构、性能参数提供理论依据。
The simulation has deepened author's cognition of flow field and fuel atomization of diesel engine. The results can provide references for further improvements to the TY3100 engine.
地面台架试验表明,基于局部分层模糊逻辑结构的模糊运算产生的喷油控制量是精确的,发动机的最大功率提高了6.8%,耗油率降低了11.3%。
Test trial result shows that the engine rated power increases by 6.8%, its fuel consumption decreases by 11.3%. 2 tabs, 6 figs, 8 refs.
在发动机燃用稀薄混合气时,喷油定时对排放和经济性的影响较为明显。
Compared with stoichiometric mixture operation, fuel economy and emissions are remarkably influenced by injection timing when lean mixture is applied.
在发动机燃用稀薄混合气时,喷油定时对排放和经济性的影响较为明显。
Compared with stoichiometric mixture operation, fuel economy and emissions are remarkably influenced by injection timing when lean mixture is applied.
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