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Identification of complex flows in Taylor-Couette counter-rotating cavities

Abstract : The transition in confined rotating flows is a topical problem with many industrial and fundamental applications. The purpose of this study is to investigate the Taylor-Couette flow in a finite-length cavity with counter-rotating walls, for two aspect ratios L=5 or L=6. Two complex regimes of wavy vortex and spirals are emphasized for the first time via direct numerical simulation, by using a three-dimensional spectral method. The spatio-temporal behavior of the solutions is analyzed and compared to the few data actually available.
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Submitted on : Wednesday, June 19, 2013 - 4:17:22 PM
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Olivier Czarny, Eric Serre, Patrick Bontoux, Richard M. Lueptow. Identification of complex flows in Taylor-Couette counter-rotating cavities. Comptes rendus de l’Académie des sciences. Série IIb, Mécanique, Elsevier, 2001, 329 (10), pp.727-733. ⟨10.1016/S1620-7742(01)01392-7⟩. ⟨hal-00835783⟩



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