High pressure can significantly reduce the ignition delay and combustion period.
着火滞燃期和燃烧持续期随着压力的提高明显缩短。
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。
It is very significant to define the ignition delay in the cylinder of Diesel Engines.
柴油机气缸内滞燃期的确定具有很大的意义。
The chemical kinetic mechanism of organic nitrate for shortening ignition delay is analyzed.
分析了有机硝酸酯缩短着火滞燃期的机理。
The ignition temperature and ignition delay time decreased with the increasing radiant heat flux.
结果表明，随着辐射热能流率的增加，着火时间缩短，着火温度降低；
With the decrease of compress ratio, HC emissions were increased and the ignition delay was prolonged.
随压缩比的降低，滞燃期延长，HC排放明显增加。
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 are better, which show that all portions of propellant are ignited, and the ignition delay is shortened.
计算结果比较理想，全部推进剂都被点燃，并且点火延迟时间减小了。
The ignition delay fault of solid rocket motor happening in a low temperature based on FTA is analyzed in the paper.
介绍了基于故障树分析法(FTA)进行的某固体火箭发动机低温下点火延迟故障的分析过程。
The effects of ignition delay on the maximum explosion pressure and maximum rate of pressure rise are very noticeable;
点火延迟时间对其最大爆炸压力和最大压力上升速率的影响十分明显；
When the temperature and pressure behind incident shock wave decrease, the photochemical ignition delay times will increase.
光化学点火延迟时间随初始爆炸波后温度和压力的降低而增长。
The ignition delay time was studied on the hot position bench that could stimulate combustion process of traveling grate furnace.
在可模拟链条炉中燃烧过程的热态实验台上，研究了块粒型煤的着火时间。
A thermal conduct model of ignition phase was established, with which the effect of various parameters on the ignition delay is analyzed.
建立了推进器点火过程热传导模型，利用该模型分析了不同因素对点火延迟时问的影响。
An investigation of the ignition delay time for oil-water emulsion with additional more volatile liquid fuel as single droplets is conducted.
本文研究了较组份添加剂对单滴乳化油着火规律的影响。
The ignition delay periods of methanol, isooctane, n-heptane and their blended fuel were studied based on their detailed chemical kinetic mechanism.
基于甲醇、异辛烷和正庚烷的详细化学动力学机理，对甲醇、异辛烷、正庚烷及其构成的混合燃料的滞燃期进行了计算研究。
The ignition quality of a fuel is determined as an ignition delay in the instrument that is converted to an instrument-related cetan number (FIA-CN).
燃料的燃烧性质由燃料在仪器内被点燃的延迟量决定，这个量可以转换成与仪器有关的己烷值来表示。
The problem of longer ignition delay for hydrocarbon fuel can be effectively solved by means of preheating fuel by shock waves and using hot gas as pilot.
利用激波预热燃料并采用高温燃气流作为引导火焰可以将碳氢燃料的点火延迟缩短，火焰传播速度加快，有效解决了碳氢燃料点火延迟过长的问题。
Under the action of a same heat source, when the direction of grain is perpendicular to the direction of the action, the ignition delay time is the longest.
同样外部热源作用下，木材内部木纹方向垂直于作用方向时，着火延迟时间最长；
The analysis of combustion parameters in cylinder shows that the ignition delay reduces, peak combustion pressure decreased and combustion process becomes more smooth.
对气缸内参数的分析表明，滞燃期缩短，最高燃烧压力降低，燃烧过程较为柔和。
Since the ignition delay of DME is shorter than that of diesel, thus makes the lower value of maximum cylinder pressure, maximum rate of pressure rise and combustion noise.
二甲醚喷油延迟角比柴油大，最高爆发压力、最大压力升高率、燃烧噪声比柴油低；
Physicochemical properties and combustion mechanism of boron are introduced. Long ignition delay time and low combustion efficiency are due to the properties of boron itself.
介绍了硼的物理化学特性和燃烧机理，硼的点火延迟期长、燃烧效率低是由其本身的特性所决定的。
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.
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 free radicals can reduce spontaneous combustion temperature of diesel fuel greatly and shorten the ignition delay period, and thus improve the combustion performance of diesel engine.
十六烷值改进剂受热容易分解产生活性自由基、降低了柴油的自燃点，从而缩短了滞燃期，改善了发动机的燃烧性能。
Using a combustion model some problems such as: the relationship between ignition delay and fuel concentration, the relationship between soot concentration and the equivalent ratio of mixt...
利用该燃烧模型进一步研究柴油机的燃烧和碳烟生成中的一些问题：如点火延迟时间与混合气浓度的关系，排气中的碳烟浓度与混合气油气当量比的关系。
The ignition delay was shortened by increase intake pressure due to higher intake temperature, which resulted in higher smoke, and this phenomenon was more obvious at high EGR rate situation.
提高进气压力由于进气温度的影响使滞燃期缩短，大EGR率尤其明显，导致碳烟峰值随进气压力升高而增大。
The ignition of the solid rocket motor (SRM) is a very complex physical and chemistry process, which is composed of three component phases: ignition delay, flame spreading and chamber filling.
固体火箭发动机的点火是一个十分复杂的物理化学过程，包括三个阶段：点火延迟、火焰传播和燃烧室气体充填。
The research indicated that the design modification had been utilized to solve the ignition delay, the ignition failure under low temperature etc ever occurred in the initial design completely.
研究结果表明，基于单项点火试验所做的设计改进，解决了发动机研制初期遇到的点火延迟、低温点火失效等问题。
In order to determine the proper ratio of center charge with propylene oxide fuel (RCF) and ignition delay time, corresponding experimental and numerical studies on fuel dispersal are carried out.
为了合理确定液体燃料环氧丙烷爆炸抛散比药量及点火延迟时间，进行了相关的实验与数值模拟研究。
In order to determine the proper ratio of center charge with propylene oxide fuel (RCF) and ignition delay time, corresponding experimental and numerical studies on fuel dispersal are carried out.
为了合理确定液体燃料环氧丙烷爆炸抛散比药量及点火延迟时间，进行了相关的实验与数值模拟研究。
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