Thin-element polymeric film riblet surfacing materials previously shown to behave similarly to v-groove riblets in the reduction of aerodynamic drag have been tested to ascertain the effects of groove contamination. Three different levels of contamination were simulated for each of two kinds of contamination. Such contaminants as oil drops and condensates have no significant effect on drag reduction. Atmospheric particulates may, however, degrade riblet performance.


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    Title :

    Effects of contamination on riblet performance


    Contributors:

    Published in:

    Publication date :

    1989-07-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :



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