Full-scale tests with the F 28 aeroplane showed that the intake noise could be reduced by injecting hot air over the duct surface. These reductions were observed with treated as well as untreated ducts. Such a concept could mean a new approach to engine noise reduction. (Kursetz)


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    Title :

    A novel concept for suppressing internally generated aircraft engine noise


    Additional title:

    Ein neues Konzept fuer die Reduzierung der intern erzeugten Geraeusche bei Flugzeugtriebwerken


    Contributors:

    Published in:

    Publication date :

    1977


    Size :

    5 Seiten, 13 Bilder, 2 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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