Magnetic tunable sound absorption channels controlled by anisotropic magnetic switches

Volume: 308, Pages: 131201
Published: Feb 1, 2022
Abstract
null null Acoustic structures with active control capabilities are crucial in practical noise reduction. In this work, magnetic tunable sound absorption channels were developed to achieve magnetic acoustic control. The magnetic switch made of hard magnetic composites were inserted in the channel and their magnetic anisotropy was utilized to shift the frequency of peak sound absorption. The sound absorption channels were composed of several...
Paper Details
Title
Magnetic tunable sound absorption channels controlled by anisotropic magnetic switches
Published Date
Feb 1, 2022
Volume
308
Pages
131201
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