Influence of the elastic cavity walls on cavity flow noise

• Autorzy: Łojek Paweł , Czajka Ireneusz , Gołaś Andrzej , Suder-Dębska Katarzyna

Identyfikatory

DOI

10.21008/j.0860-6897.2021.1.09

• Języki publikacji: EN

Abstrakty

EN

In this study, computational fluid dynamics and computational aeroacoustics methods were used to investigate the influence of the elastic cavity walls on the noise generated by the flow over rectangular cavity. Two cases were considered and compared, one with rigid cavity walls, and one with elastic walls. In the latter case, the movement of the walls were solved by finite element modelling and coupled with CFD simulations. The noise generated by the flow over cavity was computed using Ffowcs Williams & Hawkings acoustic analogy. The increase of the sound pressure level for elastic walls case at frequency range of 1 kHz to 10 kHz is observed, compared to the rigid walls case.

Słowa kluczowe

EN

FSI; Detached Eddy Simulations; acoustic analogy; cavity noise

PL

FSI; Detached Eddy Simulations; analogia akustyczna; hałas generowany przez komorę

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2021
• Tom: Vol. 32, nr 1
• Strony: art. no. 2021109
• Opis fizyczny: Bibliogr. 22 poz., il., rys., wykr.

Twórcy

autor

Łojek Paweł

• AGH University of Science and Technology, Department of Power Systems and Environmental Protection Facilities, 30 Mickiewicza Av., 30-059 Kraków, Poland

autor

Czajka Ireneusz

• AGH University of Science and Technology, Department of Power Systems and Environmental Protection Facilities, 30 Mickiewicza Av., 30-059 Kraków, Poland

autor

Gołaś Andrzej

• AGH University of Science and Technology, Department of Power Systems and Environmental Protection Facilities, 30 Mickiewicza Av., 30-059 Kraków, Poland

autor

Suder-Dębska Katarzyna

• AGH University of Science and Technology, Department of Power Systems and Environmental Protection Facilities, 30 Mickiewicza Av., 30-059 Kraków, Poland

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).