Comptes Rendus
Solutions multiples pour les écoulements tridimensionnels en rotation
[Multiple solutions for three-dimensional swirling flows]
Comptes Rendus. Mécanique, Volume 330 (2002) no. 11, pp. 791-796.

The symmetry-breaking in a swirling flow generated inside a cylindrical tank of aspect ratio h=1 by the rotation of one lid is studied numerically. Beyond a critical Reynolds number, the flow undergoes a bifurcation to three-dimensional solutions. The spatial and temporal behaviour on these branches are examined.

La rupture de l'axisymétrie des écoulements entraînés par la rotation d'un disque au fond d'une cuve cylindrique de rapport de forme h=1 est étudiée numériquement. Au delà d'un nombre de Reynolds critique, l'écoulement bifurque vers des solutions tridimensionnelles. Les caractéristiques spatiales et temporelles des branches atteintes sont analysées.

Received:
Revised:
Published online:
DOI: 10.1016/S1631-0721(02)01534-6
Mot clés : mécanique des fluides, écoulement en rotation, brisure de l'axisymétrie, transition, simulation numérique direct
Keywords: fluid mechanics, rotating flow, symmetry-breaking, transition, direct numerical simulation

Emerson Barbosa 1; Olivier Daube 1

1 CEMIF–LME, 40, rue du Pelvoux, CE 1455 Courcouronnes, 91020 Evry cedex, France
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Emerson Barbosa; Olivier Daube. Solutions multiples pour les écoulements tridimensionnels en rotation. Comptes Rendus. Mécanique, Volume 330 (2002) no. 11, pp. 791-796. doi : 10.1016/S1631-0721(02)01534-6. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/S1631-0721(02)01534-6/

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