CAE Simulation of Engine Oil Pump Tonal Noise: Design Modifications and Countermeasures

Paper #:
  • 2017-01-1076

Published:
  • 2017-03-28
DOI:
  • 10.4271/2017-01-1076
Citation:
Moetakef, M., Zouani, A., and Demren, E., "CAE Simulation of Engine Oil Pump Tonal Noise: Design Modifications and Countermeasures," SAE Technical Paper 2017-01-1076, 2017, doi:10.4271/2017-01-1076.
Pages:
5
Abstract:
In this presentation, two cases of CAE simulations of oil pump-induced tonal noises are presented. The first case involves oil pump-induced whine in an I4engine during coast down. The second case addresses oil pan moan during hot idle and the effect of oil pump pick-up tube positioning inside the oil pan of an I5 engine. The investigations include several design modifications to the pump and the pick-up tube to prevent the tonal noise. Test data are also included to demonstrate the accuracy of the CAE simulation.
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