汽轮发电机组轴系失稳是关系到设备安全运行的重要振动故障。介绍了一台汽轮发电机组典型油膜振荡振动故障的分析处理过程。
This paper presents the whole process of vibration analysis and troubleshooting of a steam turbine generator, which exhibited oil-excited instability during load up.
当这个小装置以每秒60亿周的高频速度振荡时,它表面的“压电”材料会产生一个很容易被检测到的振动电场。
As the doohickey hummed away at a very high frequency-a whopping 6 billion cycles per second-the "piezoelectric" material in it produced a warbling electric field that was easy to detect.
压力波的频谱分析表明在高装填密度装药中,采用第二种点传火方案能削弱和抑制压力波的高频振荡成分,改善其振动特性。
The frequency spectral analyses show that the second ignition method could weaken and restrain the high frequency vibration, improve the characteristic of vibration in high loading density charge.
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