轴流风机二级叶片的试验模态分析  

Experimental Modal Analysis of Axial-flow Fan Secondary Blade

作　　者：曹雷[1] 李意民[1] 雷蕾[1] 马龙信[1] 

机构地区：[1]中国矿业大学电力工程学院,徐州市221008

出　　处：《风机技术》2011年第6期8-10,共3页Chinese Journal of Turbomachinery

摘　　要：采用试验模态的方法,对轴流风机二级叶片进行模态分析试验,得到二级叶片各阶的模态频率和对应的振型,为叶片振动特性影响的分析提供参考依据。The experimental modal analysis was carried out on axial-flow fan secondary blade with the method of experimental modal in this paper.The modal frequecny and corresponding vibration mode at any stage of secondary blade were obtained,which had provided referencing basis for analyzing the influnence of blade’s vibration characteristics.

关 键 词：试验模态 振动特性 二级叶片 

分 类 号：TH453[机械工程—机械制造及自动化]