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Simulation and Parameter Variation of Flapping-Wing Motion Based on Dragonfly Hovering

Identifieur interne : 008A44 ( Main/Exploration ); précédent : 008A43; suivant : 008A45

Simulation and Parameter Variation of Flapping-Wing Motion Based on Dragonfly Hovering

Auteurs : John Young [Australie] ; Joseph C. S. Lai [Australie] ; Charly Germain [France]

Source :

RBID : Pascal:08-0247403

Descripteurs français

English descriptors

Abstract

The flapping motion of a wing based on the hind wing of the Aeschna juncea dragonfly is simulated using a three-dimensional incompressible Navier-Stokes solver. The performance of the wing is investigated by variation of a number of kinematic parameters. Flapping amplitudes of between 10 and 60 deg (half-angle) and frequencies of 1 to 300 Hz are considered, resulting in a Reynolds number range of 100 to 50,000. The flapping amplitude observed for Aeschna juncea is shown to maximize the ratio of mean vertical force produced to power required.


Affiliations:


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Le document en format XML

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