Abstract
The dynamic forces of mechanical and hydraulics may cause vibrations and noises of centrifugal pumps. To prevent the pumps from the vibrations and noises, we investigate the relationship between the oil properties/flowrate and vibration levels. The time-domain analysis and spectral characteristic analysis are used to analyze pump vibration data, it is found that the vibration level is more sensitive for the lightweight oil, the vibration becomes more severe when a specific adjacent pumps run together. Several modification suggestions are provided to the pumping station for preventing pump failure.
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