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Pinning of rotating waves to defects in finite Taylor-Couette flow

Autor
Pacheco, J.; Lopez, J.; Marques, F.
Tipus d'activitat
Article en revista
Revista
Journal of fluid mechanics
Data de publicació
2011-01-10
Volum
666
Pàgina inicial
254
Pàgina final
272
DOI
https://doi.org/10.1017/S0022112010004131 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/12047 Obrir en finestra nova
URL
http://journals.cambridge.org/download.php?file=%2FFLM%2FFLM666%2FS0022112010004131a.pdf&code=8d3457d66487c8ca9a5cdd4ecca8b84c Obrir en finestra nova
Resum
Experiments in small aspect-ratio Taylor–Couette flows have reported the presence of a band in parameter space where rotating waves become steady non-axisymmetric solutions (a pinning effect) via infinite-period bifurcations. Previous numerical simulations were unable to reproduce these observations. Recent additional experiments suggest that the pinning effect is not intrinsic to the dynamics of the problem, but rather is an extrinsic response induced by the presence of imperfections. Here we...
Citació
Pacheco, J.; López, J.M.; Marques, F. Pinning of rotating waves to defects in finite Taylor-Couette flow. "Journal of fluid mechanics", 10 Gener 2011, vol. 666, p. 254-272.
Grup de recerca
DF - Dinàmica de Fluids: formació d'estructures i aplicacions geofísiques

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