Measuring bulk properties of sound-absorbing materials using the two-source method

Z. Tao; D. W. Herrin; A. F. Seybert

doi:10.4271/2003-01-1586

Measuring bulk properties of sound-absorbing materials using the two-source method

Z. Tao, D. W. Herrin, A. F. Seybert

Mechanical and Aerospace Engineering

Research output: Contribution to journal › Conference article › peer-review

9 Scopus citations

Abstract

The two-source method was used to measure the bulk properties (complex characteristic impedance and complex wavenumber) of sound-absorbing materials, and results were compared to those obtained with the more commonly used two-cavity method. The results indicated that the two-source method is superior to the two-cavity method for materials having low absorption. Several applications using bulk properties are then presented. These include: (1) predicting the absorptive properties of an arbitrary thickness absorbing material or (2) layered material and (3) using bulk properties for a multi-domain boundary element analysis.

Original language	English
Journal	SAE Technical Papers
DOIs	https://doi.org/10.4271/2003-01-1586
State	Published - 2003
Event	Noise and Vibration Conference and Exhibition - Traverse City, MI, United States Duration: May 5 2003 → May 8 2003

ASJC Scopus subject areas

Automotive Engineering
Safety, Risk, Reliability and Quality
Pollution
Industrial and Manufacturing Engineering

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title = "Measuring bulk properties of sound-absorbing materials using the two-source method",

abstract = "The two-source method was used to measure the bulk properties (complex characteristic impedance and complex wavenumber) of sound-absorbing materials, and results were compared to those obtained with the more commonly used two-cavity method. The results indicated that the two-source method is superior to the two-cavity method for materials having low absorption. Several applications using bulk properties are then presented. These include: (1) predicting the absorptive properties of an arbitrary thickness absorbing material or (2) layered material and (3) using bulk properties for a multi-domain boundary element analysis.",

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T1 - Measuring bulk properties of sound-absorbing materials using the two-source method

AU - Tao, Z.

AU - Herrin, D. W.

AU - Seybert, A. F.

PY - 2003

Y1 - 2003

N2 - The two-source method was used to measure the bulk properties (complex characteristic impedance and complex wavenumber) of sound-absorbing materials, and results were compared to those obtained with the more commonly used two-cavity method. The results indicated that the two-source method is superior to the two-cavity method for materials having low absorption. Several applications using bulk properties are then presented. These include: (1) predicting the absorptive properties of an arbitrary thickness absorbing material or (2) layered material and (3) using bulk properties for a multi-domain boundary element analysis.

AB - The two-source method was used to measure the bulk properties (complex characteristic impedance and complex wavenumber) of sound-absorbing materials, and results were compared to those obtained with the more commonly used two-cavity method. The results indicated that the two-source method is superior to the two-cavity method for materials having low absorption. Several applications using bulk properties are then presented. These include: (1) predicting the absorptive properties of an arbitrary thickness absorbing material or (2) layered material and (3) using bulk properties for a multi-domain boundary element analysis.

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DO - 10.4271/2003-01-1586

M3 - Conference article

AN - SCOPUS:85072418720

SN - 0148-7191

JO - SAE Technical Papers

JF - SAE Technical Papers

T2 - Noise and Vibration Conference and Exhibition

Y2 - 5 May 2003 through 8 May 2003

ER -

Measuring bulk properties of sound-absorbing materials using the two-source method

Abstract

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