The effects of swirl number of primary swirler and radial swirler, area ratio and sleeve divergence angle on the cold flow field of double swirl air intake were investigated.
试验研究了主、径向涡流器旋流数、面积比、套筒扩张角等参数对双旋流进气装置冷态流场的影响。
Lester blew on it, and, just as I'd heard the factory boys tell it, the powder rose in a swirl, casting off into the air and disappearing.
莱斯特吹了吹它，正如我听工厂男孩们说的那样，粉末升起变成了一个旋儿，消失在空气中不见了。
The intermediate demister shapes air flow swirl generated by impeller rotation to get bigger particle and improve the arresting efficiency of the next filter screen.
中间除雾装置将叶轮旋转而成的气流旋涡整形，使得粒子进一步变大，从而提高下一个滤网的捕集效率。
Memory is dust, swirl tells the past in the air.
记忆是尘，纷纷扬扬在空气里诉说着过往。
The engine characteristic swirl variations of combustion air were taken from the V6 and V8 TDI engines.
该引擎的特点旋流燃烧变化的空气取自V6和V8TDI发动机。
Effects of air swirl intensity on atomization and combustion performance of effervescent atomized spray were investigated under different conditions.
对不同空气旋流强度下气泡雾化喷嘴出口下游喷雾流场特性及燃烧特行进行了诊断与分析。
The gas motion in a cylindrical swirl chamber is analysed and an expression with a spiral locus of air flow toward the chamber center is derived.
本文对圆柱形涡流室内气体流动进行了分析，导出了在室内气体流动轨迹呈螺线状进入室中心时的表达式。
The effect of the secondary air swirl number on the number of particle impacts which affects slagging was studied to reduce slagging in utility boilers.
为了解决电站锅炉炉膛结渣的问题，研究了对结渣有重要影响的颗粒碰撞数受二次风旋流强度影响的规律。
The Three-Dimension-Laser Particle Dynamic Analyzer (PDA) was utilized to conduct experimental investigation of the turbulent combustion in a swirl combustor with staged air injection.
本文应用三维激光粒子动态分析仪（PDA）对分级进风旋流燃烧室内的湍流燃烧过程进行了实验测量。
Yet when it gets out in the air, it has the whole sky to swirl about in.
而当它释放到空气中，它会让整个天空围绕着它。
And then up into the swirl around the axis, the wind always Tornado of the cyclone, its central pressure than the surrounding air pressure low 10 percent.
并随即变为绕轴心向上的涡流，龙卷中的风总是气旋性的，其中心的气压可以比周围气压低百分之十。
The distributions of gas temperature, O2, CO2, CO, and NO concentrations were measured under different swirl numbers for the primary air.
测量了在不同的一次风旋流数下，气体的时均温度、O2、CO2、CO和NO浓度的分布。
The theory of turbulent jet has been employed to induce new formulas for wall jet, and on the base of correct spray penetration, air entrainment model in swirl field has been built.
采用紊流射流理论推出了新的壁面射流计算公式，并在正确描述喷注贯穿的基础上建立了有涡流作用的空气卷吸模型。
The swirl number of secondary air has a great influence on the combustion. When swirl number is small(S<0.8), the fire is long, and may rush the back wall.
二次风旋流强度的变化对炉内燃烧影响较大，旋流数过小时（S<0.8），火焰将冲刷后墙；
Ventilation of starting rotation device ventilation pipe is from Axial flow of swirl hole inner surface takes air leads to vacuum cavity, model existence of scale effect.
起旋室通气井通风系由旋流洞内表面轴向水流“挟带”空气而致空腔内气体压强减小进入，模型存在缩尺效应。
Design central coal feeding swirl burner and carry on laboratory test while being cool, on-the-spot air power field test and test while being hot.
设计了中心给粉旋流煤粉燃烧器，并进行了实验室冷态试验、现场空气动力场试验和热态试验。
In cylinder swirl is mainly formed by the strong air flow near the cylinder wall.
四气门柴油机缸内涡流主要由气缸周边处的强气流产生；
The simulation result shows that the stronger swirl intensity becomes, the stronger influences on atomization droplets has, and the more uniformly secondary air and atomization droplets mix.
模拟结果表明：二次空气的旋流强度越大，对液滴的作用越强烈，二次空气与雾化液滴的混合越充分。
Swirl pump is compact, light weighted and no speed-adjusting device needed, no friction except bearer, low noise, no water and no oil in the output air.
旋涡气泵结构紧凑，体积小，重量轻，不需变速装置，除轴承外其它部位没有直接接触磨擦，噪音低，送出的气源无水无油。
As the air inlet diameters increase, the intake central swirl is intensified and thus fuel evaporation in the first combustion chamber is improved.
加大进气孔直径使进气中心涡流增强，燃油在一级燃烧室中蒸发量增加。
The turbulent energy, the fluid field structure and the temperature distribution show significant differences with the changes of air swirl ratios.
涡流比变化时，燃烧室内的湍动能、流场结构及温度分布有很大的差异。
The intensity of the gas backflow and axial swirl ond the dilution in the afterburner are enhanced by increasing the air-to-fuel ratio, and then the combustion efficiency is improved.
提高空燃比，可增强补燃室中燃气的回流和轴向涡流强度，加大掺混力度，从而提高燃烧效率。
The turbulent flow characteristics in cylinders of direct injection diesel engine under different air swirl ratios are analyzed by multi dimensional simulation methods.
用三维数值模拟的方法研究了不同涡流比下直喷式柴油机缸内湍流流动的规律。
The turbulent flow characteristics in cylinders of direct injection diesel engine under different air swirl ratios are analyzed by multi dimensional simulation methods.
用三维数值模拟的方法研究了不同涡流比下直喷式柴油机缸内湍流流动的规律。
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