查询词典 jet fuel

The cover of the back pack was built using an external fuel tank of a 1:48 F-18 jet fighter.

脚前四个推进器的外部则以热软胶板而压出来的；见图。

So everything from looking at making a fighter jet more fuel efficient to looking at the materials munitions are made of and what their impact on the environment would be.

我们关注每一处细节，让喷气式战斗机更加节油，制造军火的原材料，以及它们对环境可能产生的影响。

As an important part of the research, the effects of these parameters on fuel/air mixing in the wall jet and boundary layer are studied.

作为研究的一个重要方面，分析和讨论了这些参数变化对壁面喷注及壁面附面层内燃空混合的影响。

The results show that the liftoff height of the CH4/Air jet flame decreases with the increase of the coflow temperature, and the change of the liftoff height versus the coflow temperature presents the twostages behavior, and the stabilization of lifted flame is dominated by the autoignition of premixed homogeneous mixture in lower coflow temperature range. The phenomena of rapid multipoint autoignition were observed in the experiment of diesel fuel spray issuing into the CATA, and a special lifted flame appeared with a triple flame.

结果表明：甲烷气体燃料火焰起升高度随协流温度的升高而降低，呈现出两阶段变化特点，低温段发生了明显的自燃现象，其火焰稳定由均质混合气自燃所主导；柴油液雾燃烧试验观察到了快速的多点自燃现象，形成了独特的起升火焰，有三重火焰的特征。

Based on the theory of large eddy simulation and the method of VOF , the initial breakup process of fuel liquid jet, which eject from the nozzle exit at the time scale of micro-second level, is investigated. The mechanism of primary atomization is analyzed, and the initial breakup model of liquid jet is presented. By modeling and numerical simulation of atomization for a diesel nozzle under the given conditions, the initial umbrella-like spray shapes are obtained, which fits better with the experimental results. Meanwhile, the droplets secondary breakup process, such as leeward RT breakup, dumbbell-like breakup and droplets coalescence, etc. are exhibited visually.

基于大涡模拟LES理论和VOF方法，考察了燃油喷雾初始时刻即时间尺度为微秒级的液柱破碎过程，分析了初始破碎的机理，给出了该时间尺度下液柱初始破碎过程的模型；通过对一特定条件下的柴油机喷油器的建模和喷雾过程的大涡数值模拟，获得了液柱初始时刻"伞状头部"的喷雾形态，所得计算结果与相应的试验数据符合较好；数值模拟还直观地展现了液滴背风RT破碎、哑铃型破碎以及液滴的聚集融合等液滴的二次雾化过程。

The model was used to explain the influence of the effect of engulfment and mixture of fuel and the air at jet boundary under the extinction critical conditions. The spatial correlation analysis of concentration field revealed the existence of large scale vortexes with self-similarity of distribution and size.

另外，通过对射流浓度场的空间相关性分析发现，在射流内部存在着自相似的大尺度浓度团，对大量动态图像的统计分析表明，这些涡团结构在不同的射流高度上的分布和尺度均有自相似性。

The result shows that the secondary jet formed by the oriented arc increases air entrainment and fuel-air mixture space.

结果表明导向圆弧形成的二次射流增加了空气卷吸和油气混合空间。

N A rocket is a jet propulsion device which burns fuel and produces gases.

n火箭是一个燃烧燃料而产生气体的喷气推进装置。

The way a basic Turbojet engine burns it's fuel is exactly the same as in car engine, but instead of burning the fuel in discrete packets, the jet engine continuously sucks, squeezes, bangs and blows all at the same time!

一个基本的方式涡喷发动机燃烧它的燃料是完全一样的汽车发动机，而是燃烧的哪类燃料，喷气发动机，不断吸，挤，爆炸和打击在同一时间！

In boiler field, proper atomization of high viscosity liquid fuel is the essential assurance to safe .stable and high efficient combustion for boiler; in the propulsion equipment of rockers and turbo jet-propelled engine, the atomization quality of liquid fuel is the precondition to improve combustion efficiency and supply sufficient propulsion; in the field of industrial manufacture, metal powder is made by liquid metal which is impacted by high velocity gas; in the field of agricultural irrigation, the water with certain velocity is used to strike metal disk to make insufflations proportionally to the irrigation field; in the technique of desulphurization and coal gasification, proper design of nozzle is the essential factor to advance the efficiency of desulphurization and coal transformation.

在锅炉领域，高粘度液体燃料的良好雾化是锅炉安全稳定高效燃烧的重要保证；在火箭推进装置、涡轮喷气式发动机中，液体燃料的雾化质量是提高燃烧效率并产生足够推力的前提；在工业生产领域，用高速气流冲击液态金属来制备金属粉末：在农业灌溉中，用一定速度的水流冲击金属圆盘破碎并改变方向实现对灌溉区域的均匀喷洒：在烟气脱硫、煤气化等工艺中，良好的喷嘴设计是提高烟气脱硫效率和碳转化率的重要因素。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。