The invention is a method and apparatus for simultaneously detecting laminar separation and reattachment of a fluid stream such as an airstream from and to the upper surface of an airfoil by simultaneously sensing and comparing a plurality of output signals. Each signal represents the dynamic shear stress at one of an equal number of sensors spaced along a straight line on the surface of the airfoil that extends parallel to the airstream. The output signals are simultaneously compared to detect the sensors across which a reversal in phase of said output signal occurs, said detected sensors being in the region of laminar separation or reattachment.


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    Titel :

    Method and apparatus for detecting laminar flow separation and reattachment


    Beteiligte:

    Erscheinungsdatum :

    26.06.1990


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch