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Keywords: sound absorption
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. August 2019, 141(4): 041006.
Paper No: VIB-18-1160
Published Online: April 18, 2019
...) on the sound absorption performance of an underwater rubber layer containing periodically distributed axial holes. A theoretical model is developed based on the method of transfer matrix as well as the concept of equivalent layering of holes with variable cross section. Numerical simulations with the method...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. December 2014, 136(6): 061007.
Paper No: VIB-13-1225
Published Online: September 11, 2014
...           ∑ i = 1 n Ω i / n ≈ Ω where Ω is the expected averaged porosity since both the mass and volume of the sample are fixed. Fig. 8 Predicted sound absorption coefficient plotted as a function of frequency for semi-open cellular metal: comparison amongst...