汽轮机套装叶轮接触问题的三维有限元分析  

Analysis of 3D Finite Element for Turbine Shrunk-on Disc

作　　者：施丽铭[1] 张艳春[1] 

机构地区：[1]清华大学热能工程系热科学与动力工程重点实验室,北京100084

出　　处：《热力透平》2007年第4期237-240,共4页Thermal Turbine

摘　　要：运用有限元分析软件SAMCEF,对某型号汽轮机套装叶轮与轴的过盈配合问题作三维模型计算分析,计算中采用接触单元处理过盈配合边界,得到了转子位移和应力分布,并对原来的过盈量设计进行了优化改进,在保证安全性的前提下减小了轮盘的接触应力。The finite element SAMCEF software was used for calculating some type of turbine shrunk-on disc. The contact element was applied to handle the interference fit border, and the three dimensional deformation and stress distribution were obtained. Optimization design for interference was provided, which can not only satisfy the security requirements, but also reduce the contact stress of disc.

关 键 词：汽轮机 套装叶轮 有限元分析 过盈配合 应力 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]