Reasons for the internal vibration of steam turbine are discussed and analyzed from the point of view of design and manufacture. And also the article suggests method to avoid this internal vibration.
从汽轮机的设计和制造方面，讨论分析了引起汽轮机内部激振的各种原因，并提出了避免激振的方法。
Internal bolts subject to vibration, fluctuating load, impact load or dynamic load shall be protected against loosening. Double nuts, unti-loose washers, tack welding, etc. shall be used.
可能受到振动、波动载荷、冲击载荷或动力载荷的内部螺栓应加以保护防止松动。可采用双螺母、防松动垫圈、点焊等。
The transition states of the two reaction paths are obtained and verified by the analysis of vibration and internal reaction coordinate (IRC).
通过振动频率和内禀反应坐标(IRC)分析，对反应过渡态进行了确认。
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