叶片固有频率 meaning in English

blade natural frequency

Different vibration characteristics between the two models are discussed . geometry mismatch in a turbine blade root , which arose in manufacturing process or caused by wearing out during service , leads to contact conditions changed in fir - tree attachments
汽轮机叶根制造尺寸误差或运行磨损造成的尺寸改变会导致叶根与轮盘接触状态变化,进而引起叶片固有频率发生漂移,并有可能接近共振频率而导致叶片事故。