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以动叶安装角的改变来实现轴流式风机大幅度的工况变化并维持较高效率,是近代轴流风机的调节方式.本文阐述了这种风机的气动及结构设计并以上海市黄浦江延安路越江隧道风机的设计为实例进行了介绍.
In order to change the mounting angle of the moving blade to realize the great change of working conditions and maintain the high efficiency of the axial fan, it is the adjustment method of the axial fan in modern times.This paper describes the pneumatic and structural design of this fan and takes Shanghai Huangpu Jiang Yanan Road, the tunnel design of the tunnel fan as an example were introduced.