Development and Optimization of Broadband Acoustic Metamaterial Absorber Based on Parallel–Connection Square Helmholtz Resonators
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DOI: 10.3390/ma15103417
Abstract: An acoustic metamaterial absorber of parallel–connection square Helmholtz resonators is proposed in this study, and its sound absorption coefficients are optimized to reduce the noise for the given conditions in the factory. A two–dimensional equivalent… read more here.
Keywords: acoustic metamaterial; parallel connection; square helmholtz; connection square ... See more keywords