Injection timing, in-cylinder flow field and ignition timing are crucial factors that affect stratified combustion.
喷油方向、缸内流场和点火时刻对分层燃烧影响显著。
Ignition timing devices. The contact points must be timed to close and open in proper relation to the piston positions in the cylinders.
点火正时装置：触点必须能够在活塞处于气缸中相关位置时，按时关闭和开启。
The author introduces the detection principle of non-delayed ignition timing light, mainly analyzes its circuit composition and principle.
介绍点火正时灯检测原理，主要对非延迟式点火正时灯电路的组成及原理进行分析。
Meanwhile, because the ignition timing can be adjusted, the power performance and the economic performance of the engine can obtain the optimum.
同时由于可调节点火正时，能使发动机的动力性和经济性达到最佳。
Both sliding mode controller and PID controller are designed to realize adaptive regulation of throttle opening and ignition timing respectively.
设计了滑模控制器和PID控制器分别对节气门开度和点火时刻进行自适应调节。
The operating conditions of valve clearance and ignition timing are identified via cylinder pressure so that monitoring of the dynamic performance...
利用气缸压力对气门间隙和点火提前角的工作状态进行识别，从而达到对发动机的动力性能进行监测的目的。
Software design includes: writing programs of rotate speed computing module, ignition timing computing module and ignition control module and curve fitting.
软件设计部分包括转速计算模块、点火时间计算模块、点火控制模块和曲线拟合等的程序编写。
Ignition timing is precisely mapped through the RPM range so that the exact timing required to obtain optimum performance is applied in every RPM and load range.
点火时间正是通过映射rpm范围的确切时间，以便获得最佳的性能要求是在每个转速和负载范围内适用。
The test results show that, with the increase of the octane number, the ignition timing delayed, the combustion rate decreased, and the cylinder pressure decreased.
研究结果表明，燃料辛烷值增加，着火始点推迟，燃烧反应速率降低，缸内爆发压力降低。
The effects of converter position, ignition timing and idle speed on catalytic converter light-off behavior were studied on an electronically controlled LPG injection engine.
研究了电控LPG发动机的催化转化器安装位置、点火提前角和怠速转速对催化转化器快速起燃的影响。
A flaming Angle measuring system for closed-loop ignition timing control of petrol engines is outlined in this paper, and an experimental example on a BJ492Q petrol engine is provided.
介绍了一种用于汽油机点火正时闭环控制的火焰信号角测量系统，并在BJ 492 Q型汽油机上作了实例试验分析。
Experimental results show that the position of the converter nearer to the exhaust port, the retard ignition timing and the higher idle speed can promote the catalytic converter light-off.
试验结果表明，催化转化器的位置距排气口近可提高排气温度，大大提高催化转化器的转化效率；推迟点火提前角和提高怠速转速均有利于使催化转化器进入快速起燃状态。
In this system the crankshaft rotating Angle, where the peak combustion pressure occurs, is taken to be a feed back signal, so that the ignition timing of the engine is able to be controlled.
该控制系统利用最高燃烧压力点的曲轴转角作为反馈信号，实现其对发动机点火正时的控制。
The results show that the multi-time ignition can improve ignition reliability, especially when ignition timing is too advance or too late, or air fuel ratio is far from the best ratio of ignition.
试验结果表明：多次点火有助于提高点火可靠性，特别在点火提前角过大或过小、空燃比偏离最佳点火比例时。
The variation of combustion velocity, fired gas temperature and flame propagation speed, when the press, excess air ratio and ignition timing changed, was calculated by this quasi-dimensional model.
此模型能根据实测的燃烧压力曲线计算出层流燃烧速度、已燃气火焰温度及火焰传播速度等参数随压力、当量比、发动机转速、点火提前角的变化规律。
Injection timing has small effect on ignition delay in the case of earlier injection.
喷油提前较多的情况下，喷油定时对滞燃期几乎没有影响。
The results show that the start timing of combustion is advanced and the ignition delay period is shortened.
通过对燃烧特征参数的计算分析，发现生物柴油的燃烧始点有所提前，滞燃期缩短；
The results show that the start timing of combustion is advanced and the ignition delay period is shortened.
通过对燃烧特征参数的计算分析，发现生物柴油的燃烧始点有所提前，滞燃期缩短；
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