用波传动法对叶片成整圈结构的节径振动振型分析  

ANALYSIS OF THE NODAL DIAMETER VIBRATION MODE FOR BLADES INDUCED ENTIRELOOP FORMATION BY USING WAVE TRANSMISSION METHOD

作　　者：邹旭东[1] 孟庆集[1] 李铭[1] 李辛毅[1] 

机构地区：[1]西安交通大学,陕西西安710049

出　　处：《热力发电》2002年第1期25-27,共3页Thermal Power Generation

摘　　要：阐述了用波传动法建立计算叶片成整圈结构的节径振动振型的数学模型 ,计算了某叶片在不同节径时振动的频率值 ,并分析了其作一、三节径振动的一些振型。The mathematical model to calculate the nodal diameter vibration mode for blades induced entire-loop formation by using the wave transmission method has been expounded, the frequency values of a blade vibrating at different nodal diameters have been calculated, and the modes of 1st and 3rd nodal diameter vibration have been analyzed as well.

关 键 词：汽轮机 振型 波传动法 叶片成整圈结构 数学模型 节径振动 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]