A grazing flow apparatus was designed to measure the impedance of acoustic materials when installed in environments that subject the material to grazing airflow. The design of the apparatus and the data analysis technique is based on the solution of the convected wave equation in an infinite length waveguide.


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    Title :

    Acoustic grazing flow impedance using waveguide principles


    Contributors:

    Publication date :

    1971-12-12


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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