A real-time method of determining positions of laminar-to-turbulent transition region, separation and reattachment points and stagnation points using an array of simultaneously operated surface-mounted hot-film sensors has been developed and applied to a wind-tunnel test of a multielement airfoil model. Determination of various types of transitions and flow directions in various regimes of flows seen on multielement airfoils are possible without precise sensor calibration or laborious post-test data analysis. The results agree with established method and theoretical methods, but determination of turbulent reattachment points are not yet satisfactory.


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    Titel :

    Surface hot-film method for the measurement of transition, separation and reattachment points


    Beteiligte:
    Nakayama, Akihiko (Autor:in) / Stack, John P. (Autor:in) / Lin, John C. (Autor:in) / Valarezo, Walter O. (Autor:in)

    Kongress:

    AIAA, Fluid Dynamics Conference ; 1993 ; Orlando, FL, United States


    Erscheinungsdatum :

    1993-07-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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