Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/3571
Título: The gliding phase in swimming: the effect of water depth
Autor: Marinho, D.A.
Barbosa, Tiago M.
Mantripragada, N.
Vilas-Boas, J.P.
Rouard, A.
Mantha, V.
Rouboa, A.
Silva, A.J.
Palavras-chave: CFD
Hydrodynamics
Simulation
Human model
Data: 2010
Editora: Kjendlie PL, Stallman RK, Cabri J
Citação: Marinho, D.A.; Barbosa, Tiago M.; Mantripragada, N.; Vilas-Boas, J.P.; Rouard, A.; Mantha, V.; Rouboa, A.; Silva, A.J. (2010) - The gliding phase in swimming: the effect of water depth. In XI Biomechanics and Medicine in Swimming. Oslo, p. 122-124
Resumo: The aim of this study was to analyse the effect of depth on drag during the underwater gliding. CFD simulations were applied to the flow around a 3D model of a male adult swimmer in a prone gliding position with the arms extended at the front. The domain to perform the simulations was created with 3.0 m depth, 3.0 m width and 11.0 m length. The drag coefficient and the hydrodynamic drag force were computed, using a steady flow velocity of 2.50 m/s for depths of 0.20, 0.50, 1.0, 1.50, 2.01 2.50 and 2.80 m. As the depth increased, the drag coefficient and drag force decreased. The water depth seems to have a positive effect on reducing hydrodynamic drag during the gliding after starts and turns, although a compromise between decreasing drag (by increasing water depth) and gliding travel distance should be a main concern of swimmers.
Peer review: yes
URI: http://hdl.handle.net/10198/3571
Aparece nas colecções:DCDEF - Artigos em Proceedings Não Indexados ao ISI/Scopus

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