The mechanisms of an axial fan with skewed blades in reducing noise are analysed.
分析了掠形叶片轴流叶轮的降噪机理。
PIV experiment is carried out on certain axial fan with and without external duct.
对某轴流通风机进行了有无外风筒的(开式)PIV实验。
Vibrating characteristic is analyzed on the axial fan impeller with the software ANSYS.
用ANSYS软件对轴流通风机叶轮的振动特性进行了分析。
Vibrational characteristic of axial fan impeller is analyzed by composition unit method.
采用组合单元法分析了轴流通风机叶轮的振动特性。
The blade tip eddy in axial fan without external duct is observed and caught during experiment.
实验中观测并捕捉到了无外风筒时轴流通风机内的叶尖涡。
The most popular design methods of the axial fan are the Single Aerofoil Method and the Cascade Method.
其工程上的设计方法比较单一，普遍采用的方法是孤立叶型法和叶栅法。
This paper introduces the advantages and real applications of BDK disrotatory high-efficiency axial fan.
介绍了BDK对旋高效轴流式风机的优点及其实际应用情况。
On-line monitoring and trouble diagnosis system of counter-rotating type of axial fan for mine is introduced.
介绍了矿用对旋轴流式主通风机的在线监测和故障诊断系统。
It USES steam or electric heater as heating resource and USES axial fan, heat exchanger to heat air in convective way.
它是利用蒸汽或电为热源，用轴流风机与热交换器以对流的方式加热空气。
The reasonableness and practicability of way direct to monitor the blowing rate of axial fan have been verified in the article.
对电厂动调轴流式风机，用运行风量直接监测方法的合理性与可行性进行了论证。
In this paper, a new kind humidifying fan with pre-fixed spraying nozzles has been developed on the basis of original axial fan.
在喷雾轴流风机的基础上，开发研制了一种前置式喷雾加湿风机。
Axial fan in the application of plant protection machinery more extensive, it has large air volume, high efficiency characteristics.
轴流风机在植保机械上应用较为广泛，它具有风量大、效率高的特点。
It is an advanced method that use ANSYS to analyze the vibrating characteristic of axial fan impeller. It can be also used in fan CAD.
说明了用ANSYS软件在对轴流通风机叶轮的振动特性分析上是一种先进方法，也可以用于通风机的计算机辅助设计。
The axial fan we produce are extensively applied to all kinds of ventilation, refrigeration, air condition and other cooling equipment.
生产的外转子风机广泛应用于通风、制冷、空调等冷却设备。
Load distribution of axial fan along to the blade and blade height is put forward according to dynamic design method of quintic equation.
提出了轴流通风机沿叶片叶高的载荷分布，按五次方流型设计的方法。
It is the main points that rotor and stator blades matching and the axial distance disposition in pneumatic and structural design for axial fan.
阐明了动静叶片数的匹配及其轴向间距的配置在轴流通风机气动设计与结构设计中占有重要位置。
The packaging way of developer and designer is analyzed. Comparison and test research are carried out on axial fan and counter rotating local fan.
分析了开发设计者的包装方法，并对轴流式通风机与对旋式局部通风机作了比较和试验研究。
The structure of axial fan for mine fan was technically reformed by using aviation technology, and its economic benefits is remarkable after reforming.
利用航空技术对矿井轴流通风机结构进行了技术改造，改造后经济效益显著。
The result is that from inlet to outlet of the blade channel, Axial fan blade effected on air flow is a gradually changed process of energy transmitting.
结果表明，从叶道的进口到出口，轴流通风机叶片对气流的作用是一个渐变的能量传递过程。
To improve the efficiency and reduce the noise of the axial fan, Optimization is made for the pneumatically designing through Composite shape arithmetic.
为了提高轴流通风机的效率和降低噪音，用复合形法对轴流通风机的气动设计进行优化。
We have a professional team, who were R&D the axial fan for more than 25 years, and well experienced in products design ideal and manufacture technology.
拥有一支二十几年从事研发生产电机风机的专业团队，在产品设计理念和制造技术方面有着丰富的经验。
Unstable operation or tacking for the axial fan of the blast furnace can cause accidents, which can be avoided by adjusting the Angle of the leading blade.
前言：高炉轴流风机处于不稳定工况区运行或出现“抢风”都会造成事故。
The design parameters and optimized models of low voltage axial fan are researched, the influence that the parameters on turbulence noise is also analyzed.
研究低压轴流风机的设计参数与优化模型，探讨分析其参数对紊流噪声所具有的影响，从而降低低压轴流风机的噪声。
Due to the strong axial and radial load to the bearing of electromotor in counter-rotating axial fan, it is always occurred that the bearing was damaged in use.
由于对旋轴流式风机电动机轴承要承受较大的轴向负荷和径向负荷，实际使用过程中常发生电动机轴承损坏的现象。
The research of the high-efficiency axial fan with skewed-swept rotating blades is given the basis of theory and testing in application of electric power system.
所研究的这种高效节能的弯掠动叶轴流风机为进一步在电力系统中应用提供了理论和试验基础。
An experimental investigation of effects of two kinds of streamwise-grooved blades on the performance of an axial-flow fan was performed on an axial fan test rig.
在低速轴流风扇实验台上，通过对比测量光滑转子叶片、两种表面具有流向沟槽的非光滑转子叶片风扇的气动性能，研究了叶片沟槽面对风扇气动性能的影响。
The stall surging characteristic and its prevention measure are analysed with focus on low-pressure axial fan, high-pressure axial fan and mutiple-stage axial compressor.
针对低、高压轴流送风机及多级轴流压缩机在低流量区域的失速喘振特性及其预防措施进行了分析。
In 2005, we took the lead in passing China Refrigeration and Air-conditioning Industry Association CRAA Certification and HVAC Axial fan Manufacture License in this line.
2005年在行业内率先通过了中国制冷空调工业协会CRAA认证，暖通空调用风机生产许可证。
This article introduces the design features, pneumatic design of explosion-proof contra-rotating axial fan, and the design, manufacture of fitted motor and the safety measures.
文章综述了煤矿用防爆对旋轴流风机的设计特点、气动设计、配套用电机设计以及加工制造和保证安全可靠的措施。
Calculating Method for rotary blade loss of axial fan is given. Calculations on the lossing and routine lossing models are carried out by the use of 20 groups of fan test data.
给出了一种计算轴流通风机动叶损失的方法，并用20组风机试验数据对该损失模型和常规损失模型分别进行了计算。
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