简介了轴流通风机叶片型线及样板结构。
The blade pattern and sample structure of the axial fan are briefly introduced.
提出了设计对旋式轴流通风机的基本设计思路。
The basic design thinking of counter-rotating axial fan is put forward in this paper.
本实用新型可以广泛应用于各种型号的轴流通风机。
The utility model can be applied to propeller fans of various models.
采用组合单元法分析了轴流通风机叶轮的振动特性。
Vibrational characteristic of axial fan impeller is analyzed by composition unit method.
对某轴流通风机进行了有无外风筒的(开式)PIV实验。
PIV experiment is carried out on certain axial fan with and without external duct.
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 blade tip eddy in axial fan without external duct is observed and caught during experiment.
用ANSYS软件对轴流通风机叶轮的振动特性进行了分析。
Vibrating characteristic is analyzed on the axial fan impeller with the software ANSYS.
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。
Load distribution of axial fan along to the blade and blade height is put forward according to dynamic design method of quintic equation.
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 structure of axial fan for mine fan was technically reformed by using aviation technology, and its economic benefits is remarkable after reforming.
采用流线曲率法，计算完全径向平衡方程，求出轴流通风机轴向间隙的气流分布。
Using the streamline curvature method and the full radial equilibrium equations, the duct flow calculations of an axial_flow fan are presented in this paper.
利用理论计算方法以及FLUENT软件对轴流通风机扩散筒的扩散损失进行了研究。
The research on diffusion loss of axial-flow fan's diffuser is carried out using theory calculation method and FLUENT software.
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。
To improve the efficiency and reduce the noise of the axial fan, Optimization is made for the pneumatically designing through Composite shape arithmetic.
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。
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.
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。
It is the main points that rotor and stator blades matching and the axial distance disposition in pneumatic and structural design for axial fan.
提出了一种基于高精度性能模型的轴流通风机喘振故障预报方法，以实现动(静)叶调节轴流通风机喘振故障的预报。
Forcasting method of surge trouble based on high_accuracy fan performance model is put forward in order to realize surge trouble forecasting of axial fan adjusted with rotary and stationary vanes.
介绍了改造后所选用的新型矿井轴流通风机的主要特点，与老式风机做了对比，证明了改造后的风机取得了较好效果。
Main characteristics of new selected mine axial fans after transformation is introduced, comparing with the old fans, preferable effect of new ones is obtained after transformation.
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。
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.
给出了一种计算轴流通风机动叶损失的方法，并用2 0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。
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.
通过对对旋式轴流通风机小流量特性的分析，并利用实验验证分离器能够控制和改善对旋风机小流量内部流动特性，从而获得叶片分离器设计和使用的一些关键技术。
The working principle and key parameters of the blade separator were introduced, and tests on the performances of adding the separator on the contra-rotating axial flow fan were carried out.
通过对对旋式轴流通风机小流量特性的分析，并利用实验验证分离器能够控制和改善对旋风机小流量内部流动特性，从而获得叶片分离器设计和使用的一些关键技术。
The working principle and key parameters of the blade separator were introduced, and tests on the performances of adding the separator on the contra-rotating axial flow fan were carried out.
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