High-speed dynamic balancing problem

2017-04-05View Original

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The attachment shows the Bode plot for the high-speed dynamic balancing of the turbine rotor. Why aren’t the speed and phase values displayed starting from zero? Instead, the phase is displayed only at a speed of 1300 rpm.

Reply #22017-04-05

Could someone help explain this diagram?

Reply #32017-04-05

Is it unrelated to the selected reference point? ~~

Reply #42017-04-05

This is because the mass imbalance excitation force (centrifugal force) is proportional to the square of the rotational speed; below 1300 RPM, the excitation force is too small

Reply #52017-04-06

Hello. Could you explain it in more detail?

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High-speed dynamic balancing problem

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