To reduce emissions in existing combustors, fuel is premixed with a large amount of swirling air flow prior to injection into the combustor.
现行的燃烧室要想减少排放量，必须在燃料注入燃烧室之前就通过大量的空气流将燃料混合好。
This implies that the disturbance increases with distance along the axis of the swirling flow, but it does not grow with time.
这一假定意味着扰动沿涡旋流动的轴向随距离的增长而增长，但不随时间而增长。
The results show that spatial instability analysis is a useful tool for the comprehensive understanding of the instability behaviours of a swirling flow.
本文的结果表明空间不稳定性分析是全面认识涡旋流动不稳定性的一种有用的工具。
The water model experiments show that the circulation flow rate with swirling flow increases significantly.
水模型实验结果表明，与无旋流情况相比，施加旋流后循环流量显著增大。
Centrifugal buoyancy arising from radial temperature gradient of fluid has a great influence on the enhanced heat transfer performance of swirling flow.
由流体径向温度梯度引起的离心浮力对旋流强化传热效果有重要影响。
Furthermore, the influence of centrifugal buoyancy on the performance of heat transfer was more distinct in the case of swirling flow existing in the side of larger thermal resistance.
当热阻较大一侧有旋流存在时，离心浮力对换热器传热性能的影响更为明显。
Therefore, the influence of centrifugal buoyancy on the heat transfer performance of tube-shell heat exchanger with swirling flow was not negligible.
故在有旋流存在的管壳式换热器中，离心浮力对换热器传热性能的影响不可忽视。
Swirling flow is widely used in industry, such as in jet technology, combustion technology, pneumatic transportation, cyclone separator, hydraulic flotation and so on.
在工业上应用十分广泛，如在射流技术、燃烧技术、气力输送、旋风分离及水力浮选等方面均应用了螺旋流。
By simulating gas with heated air, the influence of swirling flow on gas concentration field at gas burner is investigated according to the principle of heat balance.
以加热空气模拟燃气，根据热平衡原理，考察旋流对燃烧器出口处燃气浓度场的影响。
By using a particle image velocimetry (PIV), an experimental study was performed on the swirling flow of viscoelastic fluid with deformed free surface in a cylindrical container.
利用粒子图像测速仪(PIV)对圆筒形容器内有自由表面变形的粘弹性流体旋转流动进行了实验研究。
The generation of swirling flow in a centrifugal tundish is studied.
研究离心中间包离心室旋流发生的方法。
In order to solve above mentioned two kind problems, in recent years, many test researches and designing schemes have been done aimed at internal dissipater with swirling flow.
为了解决上面两个方面的问题，近十几年以来，国内外对旋流式内消能工进行了较多的试验研究与设计方案论证。
On the other hand, swirling flow can be seen frequently in nature, such as tornado.
另外，螺旋流在自然界也是十分常见的，如龙卷风。
Rich complicated flow problems present in swirling flow inside container, secondary flows, vortex breakdown, to name a few.
空腔内的旋转流动常常涉及二次流、旋涡破裂等复杂问题。
Through analyzing momentum equation of infinitesimal swirling flow, pressure distribution with the radial difference was demonstrated.
通过对管内螺旋流旋转流体的动量特性分析，从理论土得出压力沿径向分布规律。
Swirling flow is widely used in industry, such as in jet technology, combustion technology, pneumatic transportation, hydraulic flotation etc.
其在工业上的应用十分广泛，如在射流技术、燃烧技术、气力输送及水力浮选等方面均采用了螺旋流。
For premixed burner, burning temperature is highest, combustion focuses in the interior of spout mainly, and influence of swirling jet flow on mainstream is great.
完全预混式燃烧器燃烧温度最高，燃烧主要集中在喷口内部，主流受旋转射流影响大。
This article introduced an experimental device for measuring the fluid flow characteristics in the horizontal pipe and short swirling chamber.
介绍一套测量水平圆管和短式旋风筒内流体流动特性的实验装置。
Results show that gas expansion in central region of vortex chamber caused by swirling flow is an important reason for the refrigerating effect of vortex tube.
结果表明：涡流导致涡流室中心区域气流膨胀是涡流管产生制冷效应的一个重要原因。
Withered flowers, people's smiles and tears of the swirling water flow to turn around the parting, rain hail Xiao, are conventional or helpless, who can not rely on the helplessness.
花的凋谢，人的笑容，泪的纷飞，水的流去，转身的离别，雨的雹啸，都是常规或者是无奈，对于无法依赖的无奈。
In the paper were carried out experiments on two-dimensional nozzle flow with and without incoming swirling in a low-speed wind tunnel.
本文介绍了在低速射流风洞上开展的二维喷管来流带旋涡的模拟实验。
Under the condition of low flowrate, the losses due to swirling flow and inner leakage are usually higher than the others.
在小流量工况下，二次流损失和内泄漏损失相对最为严重。
The effects of swirling flow upon damage phenomenon of pharmaceutical granule were investigated by performing the vertical pneumatic conveyance of pharmaceutical granule experimentally.
通过药品颗粒垂直空气输送的实验，分析了回旋气流对药品颗粒破损的影响。
Based on the design ideas of the traditional turbulence inhibiting pouring pad and centrifugal flow tundish, a new flow control measure, i. e. the swirling flow tundish was developed.
基于传统的湍流控制器、离心中间包的设计原理，我们提出了一种名为漩流中间包的新方案。
A new type of nozzle generating swirling-abrasive water jet has been designed and the numerical method is employed to analyze the characteristics of the jet flow in the nozzle.
设计了一种水垫式旋转磨料射流喷嘴，并对其内部流场流动特性进行了数值研究。
The simulated properties of the jet flow agree completely with the experimental results, which revealing the mechanism that the swirling jet...
数值模拟得到的流动规律与实验结果完全一致。
The swirling spinner spares easily worn spinning parts and employs air flow to act on fibers, which fully activates high efficiency of swirling stranding machine and thus improves spinning rate.
本旋流纺纱机取消了高磨损的纺纱部件，采用气流作用纤维的方式，能够充分发挥旋流加捻器的高效率，从而提高纺纱速度。
It has swirling flow chamber, central air exhausting pipe and fluid scattering cone with multiple orifices to obtain an ideal atomizing effect.
且具有旋流室和中心抽气管和带多喷孔的散流锥。以此获得较理想的喷雾效果。
It has swirling flow chamber, central air exhausting pipe and fluid scattering cone with multiple orifices to obtain an ideal atomizing effect.
且具有旋流室和中心抽气管和带多喷孔的散流锥。以此获得较理想的喷雾效果。
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