本文分析了汽轮机叶片振动能量耗散的机理，介绍了叶片振动的机械阻尼和气动阻尼的概念。
Studies are made in the article on the mechanism of the dissipation of turbine blade vibration energy and concepts are defined for the mechanical and pneumatic damping of blade vibration.
本文给出了从边界条件着手考虑叶根柔度影响的汽轮机叶片组的振动计算方法。
A calculation method for blade group vibration is presented starting with boundary assumptions to take care of the influence of root flexibility.
本文采用改进的自由界面模态综合法计算汽轮机叶片组的固有振动。
In this paper, the improved free-interface coupling method is adopted for dyna - mic analysis of blade groups.
某热电厂CC12-4.90/0.98/0.294型双抽冷凝式汽轮机在运行中出现了振动过大现象，停机揭缸后发现次末级有两片叶片从叶片约三分之一处断掉。
HuangGu Thermal Power Plant CC12-4.90/0.98/0.294 condensing turbine with two intermediate stage extractions appears excessive vibration in the operation.
文中对汽轮机叶片—叶轮系统(轮系)耦合振动特性进行了理论和实验研究。首先介绍了一种简便实用的计算轮系振动特性的数值积分方法。
This paper proceeds the theoretical and experimental researches on the coupled vibration features of blade-blade wheel system (wheel system) for steam turbines.
文中对汽轮机叶片—叶轮系统(轮系)耦合振动特性进行了理论和实验研究。首先介绍了一种简便实用的计算轮系振动特性的数值积分方法。
This paper proceeds the theoretical and experimental researches on the coupled vibration features of blade-blade wheel system (wheel system) for steam turbines.
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