Theses and Dissertations from UMD

Permanent URI for this communityhttp://hdl.handle.net/1903/2

New submissions to the thesis/dissertation collections are added automatically as they are received from the Graduate School. Currently, the Graduate School deposits all theses and dissertations from a given semester after the official graduation date. This means that there may be up to a 4 month delay in the appearance of a give thesis/dissertation in DRUM

More information is available at Theses and Dissertations at University of Maryland Libraries.

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Author: search.filters.author.Samsock, John J

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    ANALYSIS OF THE AERODYNAMICALLY DEPLOYABLE WINGS AND PAYLOAD SUPPORT STRUCTURE OF THE MONO TILTROTOR
    (2007-05-02) Samsock, John J; Leishman, Gordon; Aerospace Engineering; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    The Mono Tiltrotor (MTR) is a new VTOL concept, proposed to meet heavy lift rotorcraft requirements. The premise of the MTR is a tilting coaxial rotor system for lifting and propulsion, along with aerodynamically deployable fixed-wings for long-range cruise. The symmetric and controlled self-deployment of these wings is a critical design feature of the MTR concept. To this end, a mathematical model was developed to predict the optimal wing hinge geometry to obtain satisfactory wing deployment. The wing hinge design was then used to design and build a functional model that was tested in the University of Maryland's Glenn L. Martin wind tunnel. The measurements showed that with suitable design features, the symmetric and controlled deployment of the wings is possible using aerodynamic means alone. The mathematical model was then validated against measured wind tunnel data. A Finite Element Methods analysis of the suspended payload support structure was also developed.