转子旋转时,当干扰的作用频率与转子的固有频率()时,将产生剧烈的振动,即共振现象。

转子旋转时,当干扰的作用频率与转子的固有频率()时,将产生剧烈的振动,即共振现象。


相关考题:

转子在旋转时,当受到的干扰力的作用频率与转子的()相同时,转子将产生剧烈振动。 A、随机振动频率B、固有振动频率C、极限转速D、临界转速

当离心力引起的振动频率和转子的固有频率一致时,所对应的转速就叫()转速。

压缩机转子周期变化的离心力的变化频率和转子的固有频率相等时,压缩机将产生()。

汽轮机和压缩机的转子当自然振动频率与转子转动时强迫振动频率相等时,即发生共振。此题为判断题(对,错)。

使用激振器使结构产生连续的周期性强迫振动,在激振器振动频率与结构固有频率一致时,结构出现共振现象。( )

29、受迫振动是在周期性外力(策动力)作用下的振动,稳态时的振动频率等于系统固有频率的频率,共振是指当周期性外力的频率趋近系统固有频率时所发生的现象。

66、在鱼洗实验中,下列哪个说法是正确的? In the fish washing experiment, which of the following statements is true?A.当鱼洗器壁的振动频率越来越接近于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is closer and closer to the natural frequency of the fish washer;###SXB###B.当鱼洗器壁的振动频率大于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is greater than the natural frequency of the fish washer;###SXB###C.当鱼洗器壁的振动频率小于鱼洗固有频率时,产生共振现象; When the vibration frequency of the fish

受迫振动是在周期性外力(策动力)作用下的振动,稳态时的振动频率等于系统固有频率的频率,共振是指当周期性外力的频率趋近系统固有频率时所发生的现象。

在鱼洗实验中,下列哪个说法是正确的? In the fish washing experiment, which of the following statements is true?A.当鱼洗器壁的振动频率越来越接近于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is closer and closer to the natural frequency of the fish washer;#B.当鱼洗器壁的振动频率大于鱼洗固有频率时,产生共振现象; Resonance phenomenon occurs when the vibration frequency of the wall of the fish washer is greater than the natural frequency of the fish washer;#C.当鱼洗器壁的振动频率小于鱼洗固有频率时,产生共振现象; When the vibration frequency of the fish