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    Conceptual design of two tiltrotor aircraft for urban air mobility

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    Author
    Radotich, Michael T.
    Chair
    Peterson, Rorik
    Committee
    Chen, Cheng-fu
    Hatfield, Michael
    Keyword
    Tilt rotor aircraft
    Aircraft design and construction
    Aircraft performance
    Metadata
    Show full item record
    URI
    http://hdl.handle.net/11122/12919
    Abstract
    There has been an abundance of new and novel aircraft designs created for Urban Air Mobility (UAM) in recent years. The National Aeronautics and Space Administration (NASA) contributes to the research and development of this industry in part by applying its aircraft design tools to create conceptual designs of UAM reference vehicles. The vehicles are intended to quantify the tradeoffs and performance capabilities necessary for VTOL (vertical takeoff and landing) aircraft in the UAM design space. The reference vehicles represent a variety of configurations that seek to encompass many of the design characteristics suitable for UAM. This thesis focuses on the conceptual design process of two new NASA reference vehicles. Both aircraft are configured as conventional tiltrotors, but one is powered by turboshaft engines, and one is fully electric. The sizing and performance of the two aircraft are discussed, as well as how the performance and characteristics compare to a selection of other NASA reference vehicles. It is found that the tiltrotor configuration is capable of reaching speeds 43% to 51% faster than the other turboshaft designs, and 63% to 106% faster than the other electric designs. The increased speed leads to a 24% to 42% decrease in overall mission time. With this speed increase comes moderate tradeoffs in areas including weight and installed power.
    Description
    Thesis (M.S.) University of Alaska Fairbanks, 2021
    Date
    2021-12
    Type
    Thesis
    Collections
    Engineering

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