Session GM: Bio-Fluids: Flying and Swimming

8:00 AM–9:57 AM, Monday, November 24, 2008
Room: 103B

Chair: Haoxiang Luo, Vanderbilt University

Abstract ID: BAPS.2008.DFD.GM.8

Abstract: GM.00008 : Flight of a Rufous Hummingbird Robotic Model-PIV Measurements

9:31 AM–9:44 AM

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  Humberto Bocanegra Evans
    (New Mexico State University)

  Ramiro Chavez Alarcon
    (New Mexico State University)

  Paulo Ferreira de Sousa
    (New Mexico State University)

  Bret Tobalske
    (University of Portland)

  James Allen
    (New Mexico State University)

Phase-locked PIV velocity data was obtained around the wing and in the wake of a 2-DOF scaled robotic hummingbird model. Experiments were conducted in a large water channel facility at New Mexico State University. Reynolds and Strouhal numbers for the experiment are in the range of 3600 and 0.97, respectively. Momentum balance from velocity field measurements is used to estimate the lift and drag of the hummingbird model, and compared with force data directly obtained using strain gages.

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