4.7 Article

Research of Vibration Effects on a Hydraulic Valve in the Pressure Pulsation Spectrum Analysis

Journal

Publisher

MDPI
DOI: 10.3390/jmse11020301

Keywords

pressure pulsation; marine hydraulic system; vibrations; hydraulic valve; frequency

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This paper discusses mechanical vibrations in the operating environment of hydraulic systems in marine engineering. It focuses on the effects of periodic vibrations on the amplitude-frequency spectrum in a marine hydraulic system. A modified mathematical model is used to analyze the impact of vibrations on the pressure pulsation spectrum with a proportional directional valve. The experimental results are presented and compared with the results from the mathematical model, and a proposal is made to limit vibrations in the directional control valve body.
This paper identifies mechanical vibrations occurring in the operating environment of hydraulic systems used in marine engineering. Particular attention was paid to the influence of periodic vibrations on changes in the amplitude-frequency spectrum in a marine hydraulic system. For the case of analysing the effect of vibration on changes in the pressure pulsation spectrum with a proportional directional valve, a modified mathematical model was used. Experimental results were presented and compared with the results obtained from the mathematical model. A way of limiting the transmission of vibrations to the directional control valve body was proposed.

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