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以三门峡水电站扩机工程为背景，在模型试验成果的基础上研究了进机气泡对机组振动的影响．结果表明，少量气泡随水流进入水轮机组，不会诱发机组轴系统共振．
Taking the expansion project of Sanmenxia Hydropower Station as the background, the influence of air bubbles entering the machine on the vibration of the unit is studied on the basis of the results of the model test. The results show that a small amount of bubbles with water flow into the turbine will not induce resonance of the shaft of the turbine.