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  • Modeling, control, and estimation of flexible, aerodynamic structures

    Creator:
    Ray, Cody W.
    Abstract:
    Engineers have long been inspired by nature's flyers. Such animals navigate complex environments gracefully and efficiently by using a variety of evolutionary adaptations for high-performance flight. Biologists have discovered a variety of sensory adaptations that provide flow state feedback and allow flying animals to feel their way through flight. A...
    Resource Type:
    Dissertation
    Full Text:
    . . . . . . . . . . . . . 18 3.1.2 Membrane Wing Designs . . . . . . . . . . . . . . . . . . . . . 22 3.2 Aerodynamic Load

  • Lift and drag characteristics of flexible pitching and heaving wings

    Creator:
    Rushen, Jesse
    Abstract:
    There is a pressing need for Micro Air Vehicles (MAV) that are light, powerful, and efficient to perform military reconnaissance missions and search and rescue operations. These MAVs have length scales on the order of 10 cm, where traditional steady flight wing designs perform poorly. An alternative flight mechanism is...
    Resource Type:
    Masters Thesis
    Full Text:
    loaded. This is because the aerodynamic loading is dependent on the wing design. A diagram of the wing

  • Predicting Aerodynamic Loads on Highly Flexible Membrane Wings

    Creator:
    Carpenter, Trenton James
    Abstract:
    Through passive adaptation to incidental flow, flexible aerodynamic surfaces exploit effects of increased lift, delayed stall and disturbance rejection. Wings of birds, bats, and insects exhibit these passive effects, and at the same time through the use of structural state feedback sensed from the loads on the wing, active control...
    Resource Type:
    Dissertation
    Full Text:
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3. AERODYNAMIC LOAD ESTIMATION FROM VIRTUAL STRAIN SENSORS FOR A PLIANT MEMBRANE WING

  • Lift Enhancement of Pliant Wings Through Bio-Mimicry

    Creator:
    Osterberg, Nathaniel Brent
    Abstract:
    Flexible aerodynamic surfaces have been shown to favorably influence flight characteristics at low Reynolds numbers by increasing lift, angle of attack at stall, and resistance to perturbation. The objective of the research presented within this thesis is to investigate the influence of two aspects of flight observed in biological flyers,...
    Resource Type:
    Masters Thesis
    Full Text:
    Enhancement of Pliant Wings Through Bio-Mimicry Abstract approved: Roberto Albertani Flexible aerodynamic

  • Aircraft wing optimization using B-spline models and panel methods

    Creator:
    Jackson, Danielle Monique
    Abstract:
    This research investigates shape optimization process, using b-spline models and panel methods, to achieve a high lift to drag ratio for an aerodynamic structure. This research is a proof of concept for further research in aerodynamic shape optimization. The coupled process, involving the design and optimization of a random shape,...
    Resource Type:
    Masters Thesis
    Full Text:
    . Title: Aircraft Wing Optimization using B-spline Models and Panel Methods Abstract approved

  • Experiments on a low aspect ratio wing at low Reynolds numbers

    Creator:
    Morse, Daniel R.
    Abstract:
    At the start of the 21st century much of the focus of aircraft design has been turned to unmanned aerial vehicles (UAVs) which generally operate at much lower speeds in higher risk areas than manned aircraft. One subset of UAVs are Micro Air Vehicles (MAVs) which usually are no larger...
    Resource Type:
    Dissertation
    Full Text:
    presented on November 20, 2008. Title: Experiments on a Low Aspect Ratio Wing at Low Reynolds Numbers