A low-frequency short-channel sound absorber with elastic inner wall containing air cavities
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DOI: 10.1088/1402-4896/ade577
Abstract: Underwater sound absorption is an important way to ensure their safety performance, and how to achieve low-frequency sound absorption at sub-wavelength thickness is a major challenge. In this paper, a channel-type underwater acoustic metamaterial is… read more here.
Keywords: air cavities; elastic inner; sound; channel ... See more keywords