A noisy mechanical seal is a grave problem, especially in water pumps designed for the automotive industry. The noisi- ness is often caused by dynamic instability (stick-slip behavior), which occurs when the seal lubrication changes from hydrody- namic to mixed. Starting from this hypothesis, the paper shows a theoretical model that describes the interaction between the seal disks. Therefore this model correlates the acoustic emission to the working conditions of the water pump.
Analysis of the noisiness of an automotive water pump
ANTONINI, Massimo;FAGLIA, Rodolfo;REMINO, Carlo
2007-01-01
Abstract
A noisy mechanical seal is a grave problem, especially in water pumps designed for the automotive industry. The noisi- ness is often caused by dynamic instability (stick-slip behavior), which occurs when the seal lubrication changes from hydrody- namic to mixed. Starting from this hypothesis, the paper shows a theoretical model that describes the interaction between the seal disks. Therefore this model correlates the acoustic emission to the working conditions of the water pump.File in questo prodotto:
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