Experimental and numerical investigation on the noise development in fluid power units: an overview

• Autorzy: Fiebig Wiesław , Wróbel Jakub

Identyfikatory

DOI

10.1007/s43452-022-00481-x

• Języki publikacji: EN

Abstrakty

EN

Low noise fluid power units become a rapidly increasing demand in modern industry. This paper describes the generation of vibrations and noise in fluid power units, which in many industrial applications have a decisive influence on the increased noise emission. The causes of vibrations and noise in displacement pumps were first described which are loaded with very high dynamic forces originating from variable pressures. For this reason, positive displacement pumps are often considered the main sources of noise in fluid power units. The location of noise sources shows that often other fluid power unit elements having a larger surface area, such as the electric motor and the tank, can be decisive in the generation of noise. A system-based approach is considered, whereby the entire structure of the fluid power unit, including the fluid. In particular, the FE model of the fluid power unit was developed to calculate the system's natural frequencies, which has been validated using experimental modal analyses. Based on the FEA results, the sensitivity analysis enables the determination of changes leading to the reduction of vibrations and noise. The presented approach can be extended to other configurations of system components and contributes to the development of quieter fluid power units.

Słowa kluczowe

EN

fluid power units; noise emission; noise reduction; vibration modelling

PL

emisja hałasu; redukcja hałasu; modelowanie drgań

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2022
• Tom: Vol. 22, no. 4
• Strony: art. no. e166, 2022
• Opis fizyczny: Bibliogr. 45 poz., fot., rys., wykr.

Twórcy

autor

Fiebig Wiesław

• Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza Street 5, 50-371 Wroclaw, Poland

autor

Wróbel Jakub

• Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza Street 5, 50-371 Wroclaw, Poland

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)