Increasing the pressure of the fuel mixture in the combustion chamber before ignition helps to increase the power of an engine. This is done by compressing the fuel mixture to a smaller volume.
在点火前增加燃烧室内可燃混合气的压力有助于提高发动机的功率，这是通过把可燃混合气压缩到一个极小的体积来实现的。
It is shown that with adjusted ignition Angle of advance, larger compression ratio and appropriate preheating of the mixture, better fuel economy can be achieved.
指出调整点火提前角、提高压缩比以及适当预热混合气等，可以提高掺烧甲醇时燃油的经济性。
Temperature in fuel spray field has a determinant influence on fuel evaporating, mixture formation, ignition and flame spreading and is very important for numerical simulating.
喷雾场的温度对燃油的蒸发，混合气的形成，着火以及火焰传播有着决定性影响。
The ignition system provides high-voltage electric sparks that ignite, or set fire to, the charges of air-fuel mixture in the engine combustion Chambers.
点火装置产生高压电火花，从而使发动机燃烧室中的可燃混合气起燃。
The thermal ignition experiment system of gasoline-air mixture in confined space under the conditions of hot wall is designed.
设计了受限空间内高温热壁条件下的油气热着火的实验系统。
A combination facility, which consists of a shock tunnel and a shock tube, was used for studying ignition and supersonic combustion of premixed hydrocarbon fuel-air mixture.
采用激波风洞-激波管组合设备对预混的碳氢燃料——空气混合物的点火与超声速燃烧进行了研究。
In addition, the dual-component spray model was built up to simulate the spray and mixture formation of ethanol-diesel blend fuel in the engine cylinder before the ignition.
另外，建立了双组分喷雾模型并模拟了气缸内乙醇柴油混合燃料的喷雾过程与混合气分布情况。
These factors are mixture concentration, ignition advance Angle, engine speed, temperature of cooling water and carbon deposit on the SUrfaces of the combustion chamber, etc.
通过试验找出了诸因素对怠速排放污染物浓度的影响规律，如混合气质量，点火，发动机转速，冷却水温度及燃烧室表面积炭等。
Improper combustion, due to a rich mixture, defective ignition system, loss of compression in the engine, a cold engine, and so forth, will result in carbon deposits on the exhaust valves.
因混合气过浓、点火系统有故障、发动机内压力损失、冷机等导致的不正常燃烧都会形成气门积炭。
Experimental investigation on ignition and combustion of supersonic premixed hydrocarbon fuel-air mixture has been conducted in the combination facility consisting of a shock tunnel and a shock tube.
在激波风洞一激波管组合设备上开展了碳氢燃料超声速预混可燃气流的点火与燃烧实验研究。
The result show that ignition composition manufactured by the new method has characteristics of mixture uniformity and granule consistency.
结果表明，使用该方法制备的药剂混合均匀，颗粒一致性好。
The result show that ignition composition manufactured by the new method has characteristics of mixture uniformity and granule consistency.
结果表明，使用该方法制备的药剂混合均匀，颗粒一致性好。
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