摘要
本文分析了轴系局部刚度和局部惯量对各阶频率的影响.并提出了估算局部结构改变对调整频率效果的简单公式.利用本文的分析方法,在一次求得具体轴系的频率、振型、模志刚度和模态惯量后,就能对该轴系调频的可能性、方法和程度基本上有一个定性和定量的掌握.
The effects of local stiffness and local inertia on torsional frequencies of turbogenerator shafts are discussed, together with some simple formulae developed for estimating modification effects. The given method makes it easer to estimate qualitatively and quantitatively possibilities, ways and effects of shaft frequency tuning once the frequency, vibration pattern, modal stiffness and inertia are given by the design draft. 1fig, 4 tables and 3refs.
出处
《动力工程》
CAS
CSCD
1991年第2期15-20,共6页
Power Engineering
