The optimum design of nacelles that operate over a wide range of aerodynamic conditions and their inlets is described. For low speed operation the optimum internal surface velocity distributions and skin friction distributions are described for three categories of inlets: those with BLC, and those with blow in door slots and retractable slats. At cruise speed the effect of factors that reduce the nacelle external surface area and the local skin friction is illustrated. These factors are cruise Mach number, inlet throat size, fan-face Mach number, and nacelle contour. The interrelation of these cruise speed factors with the design requirements for good low speed performance is discussed.


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    Titel :

    Optimum Subsonic, High-Angle-of-Attack Nacelles


    Beteiligte:
    R. W. Luidens (Autor:in) / N. O. Stockman (Autor:in) / J. H. Diedrich (Autor:in)

    Erscheinungsdatum :

    1979


    Format / Umfang :

    20 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Optimum subsonic, high-angle-of-attack nacelles

    Luidens, R. W. / Stockman, N. O. / Diedrich, J. H. | NTRS | 1979


    Optimum subsonic, high-angle-of-attack nacelles

    Luidens, R. W. / Stockman, N. O. / Diedrich, J. H. | NTRS | 1980


    Optimum Subsonic, High–Angle–of–Attack Nacelles

    Diedrich, James H. / Stockman, Norbert O. / Luidens, Roger W. | SAE Technical Papers | 1980