The acoustic performance of a nominally locally reacting liner specimen mounted in a grazing incidence impedance tube is analyzed. Measured standing wave ratios and null positions are compared with those predicted by a finite-element algorithm. Differences between measured and calculated wave structures may be due to extended reaction effects. (DePo)


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    Title :

    Comparison of measured and predicted impedance at grazing incidence


    Additional title:

    Vergleich gemessener und vorausbestimmter Widerstaende bei Fortpflanzung von Schallwellen


    Contributors:

    Published in:

    AIAA Journal ; 18 , 5 ; 504-508


    Publication date :

    1980


    Size :

    5 Seiten, 6 Bilder, 4 Tabellen, 9 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English