The Bio-inspired Broadband Acoustic Absorber is a promising, recently-patented invention that we can use to increase the peace and quiet in the world through efforts to bring it from concept to service. A growing number of experiments have demonstrated that synthetic structures that resemble bundles of natural reeds offer an increase in sound absorption at frequencies below 1000 Hz compared to state-of-the-art commercially available structures of similar thickness, volume, and weight.


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    Title :

    Status of NASA's Bio-inspired Broadband Acoustic Absorber


    Contributors:

    Conference:

    Virtual NASA Acoustics Technical working Group Meeting ; 2020 ; Cleveland, OH, US


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English