涡轮机叶片扭转振动的有限差分法

The finite difference method for calculating the tensional vibration of turbine blades.

本文提供了计算无冠涡轮机叶片扭转振动的近似方法。该方法具有数据处理简便、计算时所占计算机内存少、基本保证工程计算精度等优点,并且就该方法的可行性进行了系统的说明和实验对比。

This paper presents an approximate method for calculating the tensional vibr-ration of unshrouded turbine hlades.This method has the following merits:simplified data processing,low requirements in internal storage,satisfactoryaccuracy in engineering calculations,etc.With regard to the feasibility ofthe method,some systematic explanation and calculation examples are given.