Reduction of noise generating flow fluctuations in hydraulic systems driven by swash plate pumps through improved port plate design

Authors

  • M. Chikhalsouk Concordia University, Department of Mechanical and Industrial Engineering, Montreal, Que. H3G 1M8
  • R.B. Bhat Concordia University, Department of Mechanical and Industrial Engineering, Montreal, Que. H3G 1M8

Keywords:

Characterization, Flow rate, Noise abatement, Plates (structural components), Pumps, Structural design, Bernoulli principle, Cylinder ports, Flow fluctuations

Abstract

Reduction of noise generating flow fluctuations in hydraulic systems driven by swash plate pumps through improved port plate design are studied. The flow should rise gradually as the cylinder port and the port plate delivery slot overlap during the pump action, in order to avoid undesirable flow fluctuations. Bernoulli principle is used to characterize the mathematical relationship between the cylinder delivery pressure and the corresponding flow rate. By considering a stream line path, which starts when the stream leaves the cylinder delivery port and ends at the port plate delivery slot, the cylinder delivery pressure, its flow rate and the porting area are considered and studied. The proposed design suggests utilizing a pair of deep silencing grooves in the beginning and end of the slot.

Additional Files

Published

2007-09-01

How to Cite

1.
Chikhalsouk M, Bhat R. Reduction of noise generating flow fluctuations in hydraulic systems driven by swash plate pumps through improved port plate design. Canadian Acoustics [Internet]. 2007 Sep. 1 [cited 2024 Jul. 22];35(3):186-7. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1961

Issue

Vol. 35 No. 3 (2007)

Section

Proceedings of the Acoustics Week in Canada

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