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Keywords: transition
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Journal Articles
J Exp Biol (2015) 218 (20): 3179–3191.
Published: 1 October 2015
... surface roughness that is poised to disturb flow. This roughness of about 2% chord length is formed by the valleys and ridges of overlapping primary feathers with thick protruding rachides, which make the wing stiffer. An earlier flow study of laminar–turbulent boundary layer transition over prepared...
Journal Articles
J Exp Biol (2008) 211 (23): 3744–3749.
Published: 1 December 2008
...James R. Usherwood; Katie L. Szymanek; Monica A. Daley SUMMARY The constraints to maximum walking speed and the underlying cause of the walk–run transition remains controversial. However, the motions of the body and legs can be reduced to a few mechanical principles, which, if valid,impose simple...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2007) 210 (4): 578–585.
Published: 15 February 2007
... involves in-phase fluctuations of the mechanical energy components of the body centre of mass, allowing elastic energy recovery. We show that, when constantly accelerating across the transition speed, humans make the switch from walking to running abruptly in one single step. In this step, active...