Flow pattern similarities in the near wake of three bird species suggest a common role for unsteady aerodynamic effects in lift generation.

@article{Gurka2017FlowPS,
  title={Flow pattern similarities in the near wake of three bird species suggest a common role for unsteady aerodynamic effects in lift generation.},
  author={Roi Gurka and Krishnan Krishnamoorthy and Hadar Ben-Gida and Adam J. Kirchhefer and G. A. Kopp and Christopher G Guglielmo},
  journal={Interface focus},
  year={2017},
  volume={7 1},
  pages={
          20160090
        }
}
Analysis of the aerodynamics of flapping wings has yielded a general understanding of how birds generate lift and thrust during flight. However, the role of unsteady aerodynamics in avian flight due to the flapping motion still holds open questions in respect to performance and efficiency. We studied the flight of three distinctive bird species: western sandpiper (Calidris mauri), European starling (Sturnus vulgaris) and American robin (Turdus migratorius) using long-duration, time-resolved… CONTINUE READING
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