Sound absorption by clamped poroelastic plates

Journal of the Acoustical Society of America

Volumn 124, Issue 3, 2008, Pages 1550-1556

  Aygun, H ^a   Attenborough, K ^a  

^a UNIVERSITY OF HULL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION; ACOUSTIC IMPEDANCE; FORECASTING; GALLIUM ALLOYS; RIGIDITY; TEMPERATURE CONTROL;

AB SORPTION COEFFICIENTS; AIR GAPS; CELL STRUCTURING; CLAMPING CONDITIONS; CLOSED CELL FOAMS; IMPEDANCE TUBES; LOW FREQUENCIES; LOW-FREQUENCY ABSORPTION; OPEN-CELL; PEAK FREQUENCIES; POROELASTIC PLATES; RECYCLED MATERIALS; SIMPLY SUPPORTED; SOUND-ABSORPTION; SURFACE IMPEDANCES;

PLATES (STRUCTURAL COMPONENTS);

ACOUSTIC IMPEDANCE; ARTICLE; CELL STRUCTURE; ELASTICITY; PRIORITY JOURNAL; SOUND; VIBRATION;

ACOUSTICS; AIR; AMPLIFIERS, ELECTRONIC; ELASTICITY; MODELS, CHEMICAL; NOISE; POLYVINYLS; POROSITY; PRESSURE; SOUND SPECTROGRAPHY;

EID: 52449119308     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.2951586     Document Type: Article

References (10)

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5. P. Leclaire, K. V. Horoshenkov, M. J. Swift, and D. C. Hothersall, " The vibrational response of a clamped rectangular porous plate.," J. Sound Vib. 247, 19-31 (2001).
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7. H. Aygun, " The design of noise attenuating devices incorporating elastic porous structures.," Ph.D. thesis, University of Hull, Hull, UK (2006).
8. K. Attenborough and H. Aygun, " Acoustical performance of clamped and perforated poroelastic plates.," 19th International Congress on Acoustics, Madrid, September 2-7 2007. http://www.sea-acustica.es/WEB_ICA_07/ fchrs/papers/rba-09-001.pdf. Last accessed 6/27/08.
9. J.-F. Allard, Sound Propagation in Porous Media (Elsevier Applied Science, New York, 1993), pp. 76-93 and Eqs. (5.62)-(5.66).
10. Designation: E 1050-90, " Standard test method for impedance and absorption of acoustical materials using a tube, two microphones, and a digital frequency analysis system.."