Recent advances in aeronautical technologies which could produce revolutionary changes in transport aircraft if fully implemented are delineated. Laminar flow control offers a L/D improvement from the current 18 to 22 if used with a 767 configuration. Higher aspect and thickness/chord ratios could yield more efficient structural designs and further drag reduction. High-strength, fiber-reinforced composite structures can reduce structural weight by 10-30 percent. Improved engine cooling methods, higher stage loadings and exhaust temperatures can lower the SFC by 15 percent, engine weight by 15 percent, and the parts count by 50 percent. Aft-mounted counterrotating propellers can potentially decrease the SFC an additional 15-20 percent. Supersonic transport aircraft with L/D ratios of 18 and 70 seat miles/gal fuel efficiency can now be built that weigh half as much as the Concorde and carry the same load. The new SST would have superplastic-molded Al alloy structures.


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    Titel :

    The revolutionary impact of evolving aeronautical technologies


    Beteiligte:
    Kayten, G. G. (Autor:in) / Driver, C. (Autor:in) / Maglieri, D. J. (Autor:in)

    Erscheinungsdatum :

    01.10.1984


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    The revolutionary impact of evolving aeronautical technologies

    KAYTEN, G. / DRIVER, C. / MAGLIERI, D. | AIAA | 1984



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