Prediction of sound absorption based on specific airflow resistance and air permeability of textiles | Zendy

Xiaoning Tang | Zendy; Cheol-Ho Jeong | Zendy; Xiong Yan | Zendy

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Prediction of sound absorption based on specific airflow resistance and air permeability of textiles

Author(s) -

Xiaoning Tang,

Cheol-Ho Jeong,

Xiong Yan

Publication year - 2018

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.5049708

Subject(s) - airflow , air permeability specific surface , acoustics , materials science , permeability (electromagnetism) , flow resistance , environmental science , mechanics , composite material , flow (mathematics) , mechanical engineering , chemistry , engineering , physics , biochemistry , layer (electronics) , membrane

Both specific airflow resistance and air permeability can be used as a parameter to estimate the sound absorption of textiles. The measurement of specific airflow resistance is specified in ISO 9053 (Int. Standards Org., 1991), but it is known to be inaccurate for low specific airflow resistance. This paper compares the measured specific airflow resistance according to ISO 9053 and those calculated from air permeability according to ISO 9237 (Int. Standards Org., 1995). The sound absorption coefficients predicted by Pieren's model [R. Pieren, Textile Res. J. (9), 864-874 (2012)] are compared with measurements by the impedance tube method, which concludes that those predicted from the air permeability are more accurate than those from the measured specific airflow resistance for textiles.

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