The high speed cruise drag effects of the installation of winglets and a wing tip extension and a mixed flow long duct nacelle are investigated. The winglet program utilized a 4.7 percent semispan model in an eight foot transonic wind tunnel. Winglets provided approximately twice the cruise drag reduction of wing tip extensions for about the same increase in bending moment at the wing-fuselage juncture. The long duct nacelle interference drag program utilized the same model, without the winglets, in the 11 foot transonic wind tunnel. The long duct nacelle, installed in the same position as the current short duct nacelle and with the current production symmetric pylon, was a relatively low risk installation. A pylon with an addition small rearward fairing was also tested and showed some drag reduction potential over the current pylon.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Selected Winglet and Mixed Flow Long Duct Nacelle Development for DC-10 Derivative Aircraft


    Beteiligte:
    A. B. Taylor (Autor:in)

    Erscheinungsdatum :

    1980


    Format / Umfang :

    42 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






    3D transonic nacelle and winglet design

    LIN, W. / CHEN, A. / TINOCO, E. | AIAA | 1990


    Aircraft winglet

    ZICKUHR THOMAS DEAN | Europäisches Patentamt | 2017

    Freier Zugriff

    Intake duct for aircraft turbine engine nacelle

    LANCLERC ALEXIS YVES MARIE / VALLEROY LAURENT GEORGES | Europäisches Patentamt | 2022

    Freier Zugriff