Aerodynamic drag can be reduced by many small longitudinal grooves machined in aircraft skin. Experiments show that grooves parallel to airflow reduce drag by 4 to 7 percent. Reduced drag translates into reduced engine power required to overcome drag and ultimately to lower fuel consumption.


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    Title :

    Grooves reduce aircraft drag


    Contributors:

    Published in:

    Publication date :

    1980-09-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Longitudinal grooves for bluff body drag reduction

    Quass, B. / Howard, F. / Weinstein, L. et al. | NTRS | 1981


    Longitudinal grooves for bluff body drag reduction

    QUASS, B. / HOWARD, F. / WEINSTEIN, L. et al. | AIAA | 1981


    Axisymmetric bluff-body drag reduction using circumferential grooves

    HOWARD, F. / GOODMAN, W. / WALSH, M. | AIAA | 1983


    Reducing Water/Hull Drag By Injecting Air Into Grooves

    Reed, Jason C. / Bushnell, Dennis M. / Weinstein, Leonard M. | NTRS | 1991