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Keywords: perforated panel
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Proceedings Papers

Proc. ASME. IMECE2022, Volume 1: Acoustics, Vibration, and Phononics, V001T01A031, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-96880
... structures consisting of the perforated panel, air gap, and polyurethane foam for the frequency range of 100–4000 Hz. Different combinations of acoustic structures are proposed to observe the effect of absorptivity in terms of sound attenuation. The effect of layer sequence on the acoustic absorption...