Monopole sound sources (i.e. omni directional sound sources with a known volume velocity) are essential for reciprocal measurements used in vehicle interior panel noise contribution analysis. Until recently, these monopole sound sources use a sound pressure transducer sensor as a reference sensor. A novel monopole sound source principle is demonstrated that uses a Microflown (acoustic particle velocity) sensor as a reference sensor.As compared to a sound source that uses a sound pressure transducer as a reference sensor, the new sound sources demonstrated are relatively easy to calibrate, not sensitive to changes in ambient temperatures, and suitable to use in all sorts of acoustic environments.


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    Titel :

    Microflown based monopole sound sources for reciprocal measurements


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    de Bree, Hans-Elias (Autor:in) / Basten, Tom (Autor:in)

    Kongress:

    SAE Brasil Noise and Vibration Conference ; 2008



    Erscheinungsdatum :

    30.03.2008




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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