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1·Vane axial fan with optional fan pitch control.

具有可选风扇节距控制的翼式轴流风扇。

2·The blade pattern and sample structure of the axial fan are briefly introduced.

简介了轴流通风机叶片型线及样板结构。

3·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。

4·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。

5·The basic design thinking of counter-rotating axial fan is put forward in this paper.

提出了设计对旋式轴流通风机的基本设计思路。

6·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。

7·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。

8·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。

9·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。

10·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。