The relationship between direct operating cost (DOC) and noise annoyance due to a departure and an arrival operation was developed for commercial tilt rotor aircraft. This was accomplished by generating a series of tilt rotor aircraft designs to meet various noise goals at minimum DOC. These vehicles ranged across the spectrum of possible noise levels from completely unconstrained to the quietest vehicles that could be designed within the study ground rules. Optimization parameters were varied to find the minimum DOC. This basic variation was then extended to different aircraft sizes and technology time frames. It was concluded that reducing noise annoyance by designing for lower rotor tip speeds is a very promising avenue for future research and development. It appears that the cost of halving the annoyance compared to an unconstrained design is insignificant and the cost of halving the annoyance again is small.


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    Titel :

    The Cost of Noise Reduction for Departure and Arrival Operations of Commercial Tilt Rotor Aircraft


    Beteiligte:
    H. B. Faulkner (Autor:in) / W. M. Swan (Autor:in)

    Erscheinungsdatum :

    1976


    Format / Umfang :

    119 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch