Studies on supersonic long-range LFC (laminar flow control) aircraft were performed with the aim of maximizing L/D and alleviating sonic boom during supersonic cruise. It is found that configurations with highly swept LFC wings of very high structural aspect ratio, with the sweep increasing toward the wing root and braced externally by wide chord laminarized struts, appear especially promising. In the supersonic cruise design condition the wing upper surface isobars are swept such that the flow in the direction normal to them is transonic with embedded supersonic zones and practically shock-free over most of the span, with M-perpendicular equal to the two-dimensional design values of advanced SC LFC airfoils, e.g., of the X-787 or X-6 type.


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    Titel :

    Design aspects of long range supersonic LFC airplanes with highly swept wings


    Beteiligte:
    Pfenninger, W. (Autor:in) / Vemuru, C. S. (Autor:in)

    Kongress:

    ICAS Congress


    Erscheinungsdatum :

    01.01.1990


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Design aspects of long range supersonic LFC airplanes with highly swept wings

    Pfenninger, Werner / Vemuru, Chandra S. | NTRS | 1988


    Design Aspects of Long Range Supersonic LFC Airplanes with Highly Swept Wings

    Vemuru, Chandra S. / Pfenninger, Werner | SAE Technical Papers | 1988


    Forward Swept Wings and Business Airplanes

    Roskam, Jan | SAE Technical Papers | 1980


    Swept wings in supersonic flight

    Gates, S. B. | TIBKAT | 1954


    Swept wings in supersonic flight

    Gates, Sidney B. | SLUB | 1954