Numerical Study of Acoustic-Structure Interaction of Selected Helicoidal Resonator with Flexible Helicoidal Profile

• Autorzy: Łapka W.

Identyfikatory

DOI

10.24425/118083

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of numerical studies of acoustic-structure interaction of selected helicoidal resonator with helicoidal profile made of an elastic material. Considered a well-recognized acoustic system for one representative type of acoustic helicoidal resonator with two resonant frequencies that correspond to previous studies of the author. Due to the large range of flexible materials to study, this work focuses on the change of material density, Poisson’s ratio and Young’s modulus as the basic parameters describing the properties of elastic materials. The results indicate a significant interaction between the acoustic attenuation performance of helicoidal resonator and elasticity of the helicoidal profile. These interactions are most evident in the frequency range in which the helicoidal resonator is revealed to be effective acoustic damper.

Słowa kluczowe

EN

helicoidal resonator; acoustic-structure interaction; ducts; mufflers; numerical simulation; elastic materials

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2018
• Tom: Vol. 43, No. 1
• Strony: 83--92
• Opis fizyczny: Bibliogr. 16 poz., rys., tab., wykr.

Twórcy

autor

Łapka W.

• Division of Vibroacoustics and Biodynamics of Systems, Institute of Applied Mechanics, Poznań University of Technology, Jana Pawła II 24, 61-139 Poznań, Poland

Bibliografia

• 1. Bermudez A., Gamallo P., Hervella-Nieto L., Rodriguez R., Santamarina D. (2008) Fluid-Structure Acoustic Interaction, [in:] Computational Acoustics of Noise Propagation in Fluids, Part III: FEM related problems, S. Marburg, B. Nolte [Eds.], Ch. 9, pp. 253-306.
• 2. Brandrup J., Immergut E. H., Grulke E. A., Abe A., Bloch D. R. (1999), Polymer handbook, 4th Ed., John Wiley & Sons, Inc.
• 3. Comsol Multiphysics (2010a), Users Guide – Modeling Guide and Model Library, Documentation Set, COMSOL AB, Stokholm, Sweden.
• 4. Comsol Multiphysics (2010b), Users Guide, Acoustic Module Documentation Set, COMSOL AB, Stokholm, Sweden.
• 5. Łapka W. (2007), Acoustic attenuation performance of a round silencer with the spiral duct at the inlet, Archives of Acoustics, 32, 247-252.
• 6. Łapka W. (2009a), Acoustical properties of helicoid as an element of silencers, Doctoral work, Faculty of Mechanical Engineering and Management, Poznan University of Technology, Poland.
• 7. Łapka W. (2009b), Insertion loss of spiral ducts – measurements and computations, Archives of Acoustics, 34, 4, 537-545.
• 8. Łapka W. (2010), Helicoidal resonator, Proceedings of the 39th International Congress and Exposition on Noise Control Engineering INTER-NOISE 2010, 9 pages on CD-ROM, Lisbon, Portugal.
• 9. Łapka W. (2012a), Comparison of numerically calculated pressure drop for selected helicoidal resonators, Proceedings of the 59th Open Seminar on Acoustics, OSA2012, Boszkowo-Poznań, Poland, pp. 145-148.
• 10. Łapka W. (2012b), Multi resonant helicoidal resonator for passive noise control in ducted systems, [in:] Silva Gomes J. F., Vaz M. A. P. [Eds.], Proc. of 15th International Conference on Experimental Mechanics, Paper ref.: 2682, Porto, Portugal.
• 11. Łapka W. (2012c), Numerical aeroacoustic research of transmission loss characteristics change of selected helicoidal resonators due to different air flow velocities, Vibrations in Physical Systems, 25, 267-272.
• 12. Łapka W., Cempel C. (2007), Noise reduction of spiral ducts, International Journal of Occupational Safety and Ergonomics, 13, 4, 419-426.
• 13. Łapka W., Cempel C. (2008), Computational and experimental investigations of a sound pressure level distribution at the outlet of the spiral duct, Archives of Acoustics, 33, 4 Supplement, 65-70.
• 14. Łapka W., Cempel C. (2011), Acoustic short helicoidal resonator-computational and experimental investigations, Proceedings of the 58th Open Seminar on Acoustics, OSA 2011, Gdańsk-Jurata, Poland, pp. 9-16.
• 15. Munjal M. L. (1987), Acoustics of Ducts and Mufflers with Application to Exhaust and Ventilation System Design, John Wiley & Sons, Inc., Calgary, Canada.
• 16. Ver I. L., Beranek L. L. (2006), Noise and vibration control engineering, 2nd Ed., John Wiley & Sons, Inc., Hoboken, New Jersey, USA.

Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).