performance of a quasi-steady model for hovering hummingbirds

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ID: 186010
2015
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Abstract
A quasi-steady model describing aerodynamics of hovering Ruby-throated hummingbirds is presented to study extent of the low-order model in representing the flow physics of the bird and also to separately quantify the forces from the translational, rotational, and acceleration effects. Realistic wing kinematics are adopted and the model is calibrated against computational fluid dynamics (CFD) simulations of a corresponding revolving-wing model. The results show that the quasi-steady model is able to predict overall lift production reasonably well but fails to capture detailed force oscillations. The downstroke–upstroke asymmetry is consistent with that in the previous CFD study. Further analysis shows that significant rotational force is produced during mid-stroke rather than wing reversal.
Reference Key
song2015theoreticalperformance Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jialei Song;Haoxiang Luo;Tyson L. Hedrick
Journal Veterinary world
Year 2015
DOI
10.1016/j.taml.2014.12.003
URL
http://www.sciencedirect.com/science/article/pii/S209503491400004X
Keywords
animal flight civil engineering (general)

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