小功率汽轮机轴系临界转速计算及其特性分析  

作　　者：沈荣华 黎桂英[2] 

机构地区：[1]广东石化专科学校 [2]华南理工大学

出　　处：《机械》1997年第4期38-40,共3页Machinery

摘　　要：应用ｐｒｏｈｌ法在微机上解决了以下问题：（１）计算小功率汽轮机轴系临界转速及相应振型；自动进行数据准备，自动绘制主振型曲线，且考虑了叶轮刚度故计算精度较高。s In this paper, the problems as follows have solved in terms of Prohl′s method on microcomputers:(1)To calculate a small power turbine axle system′s critical speed and its corresponding vibration pattern,to prepare input data automatically, and to draw rapidly the major vibration pattern curve.Because the rigidity of disc is considered, high precision is obtained.(2)To analyze in quantities some factors, such as the type and stiffness of coupling ,the stiffness of the Shrunk-on Discs, which affacts the critical speed.

关 键 词：轴系 prohl法 临界转速 振型 汽轮机 

分 类 号：TK263.61[动力工程及工程热物理—动力机械及工程]