Browse Publications Technical Papers 2019-01-1576

Early Research on Additively Manufactured Sound Absorbers 2019-01-1576

Additive manufacturing is slowly changing how components are developed and manufactured. As the technology evolves, it is anticipated that industry will begin 3D printing sound absorbers. In many cases, these are components that may be difficult to manufacture in another way. Several designs were 3D printed and positioned in an impedance tube for testing. Absorbers including long perforations, lightweight panels, and Helmholtz resonators with corkscrew configured necks are considered. Simulation is performed using plane wave methods and acoustic finite element analysis.


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