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Reducing low-frequency vibration in hydraulic systems by means of Helmholtz resonators

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Abstract

Low-frequency damping systems for the pressure pulsations in a pipeline system are investigated in a mockup of the fourth loop of a nuclear power plant. The acoustic characteristics of Helmholtz resonators are calculated. Acoustic tests are conducted to reduce the vibration at the blade frequencies of the circulation pump. It is shown that the efficiency of such structures depends both on the accuracy with which the resonator eigenfrequencies are matched to the blade frequency of the vibration source and on the resonator location within the pipeline system.

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References

  1. Bakhtamov, E.V., Voronin, A.M., and Gorin, S.V., Hydrodynamic Noise in the Hydraulic Systems of Nuclear Power Plants, Vestn. Mashinostr., 2009, no. 2, pp. 86, 87.

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  5. Shorin, V.P., Ustranenie kolebanii v aviatsionnykh truboprovodakh (Eliminating Vibration in Aviation Pipelines), Moscow: Mashinostroenie.

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Authors and Affiliations

  1. Severodvinsk Mechanical-Engineering University, Severodvinsk, Russia

    S. V. Gorin & M. V. Kuklin

Authors
  1. S. V. Gorin
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  2. M. V. Kuklin
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Corresponding author

Correspondence to S. V. Gorin.

Additional information

Original Russian Text © S.V. Gorin, M.V. Kuklin, 2010, published in Vestnik Mashinostroeniya, 2010, No. 5, pp. 70–72.

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Gorin, S.V., Kuklin, M.V. Reducing low-frequency vibration in hydraulic systems by means of Helmholtz resonators. Russ. Engin. Res. 30, 493–495 (2010). https://doi.org/10.3103/S1068798X10050138

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  • DOI: https://doi.org/10.3103/S1068798X10050138

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