有限元应力分析在叶根超声波探伤上的辅助应用  

Application of finite-element stress analysis to ultrasonic detection of blade roots

作　　者：马庆增[1] 冯活河[1] 黄建冲[1] 

机构地区：[1]广东省电力试验研究所,广东广州510600

出　　处：《广东电力》2002年第1期26-27,37,共3页Guangdong Electric Power

摘　　要：利用有限元计算软件SuperSap91对骑缝铆孔叉型叶根的受力状况进行分析 ,从而判定叉型叶根的应力集中部位 ,确定超声波重点检查的位置 。Ultrasonic detection of in situ blade cracking is necessary to improve reliability of a turbine. In this study,finite element computing software SuperSap91 is used to perform stress analysis of the pin fork in order to determine which areas of the blades must receive careful attention during the inspection process.

关 键 词：汽轮机 叉型叶根 有限元 应力分析 超声波探伤 叶片 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]