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A general law for animal locomotion?

Publiceringsår: 2004
Språk: Engelska
Sidor: 217-219
Publikation/Tidskrift/Serie: Trends in Ecology & Evolution
Volym: 19
Nummer: 5
Dokumenttyp: Artikel i tidskrift
Förlag: Elsevier


The propulsion system of animals that fly or swim are quite different from each other in their morphology and function, yet the propulsive efficiency could be maximized by a surprising similarity in the fine tuning of flapping frequency, amplitude and forward speed, according to a new study by Taylor et A This conclusion was based on an analysis of the Strouhal number, which is a dynamic similarity index relevant to propulsion that relies on vortex shedding for thrust generation. Such fine-tuning of the propulsive system suggests possible consequences for physiological and ecological adaptations related to, for example muscle operating frequency and optimal speed of muscle contraction.


  • Biological Sciences


  • ISSN: 1872-8383

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