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Complex dynamical states in binary mixture convection with weak negative Soret coupling (Artno 026310)

Author
Alonso, Arantxa; Batiste, O.; Meseguer, A.; Mercader, M.
Type of activity
Journal article
Journal
Physical review E: statistical, nonlinear, and soft matter physics
Date of publication
2007-02
Volume
75
Number
2
First page
1
Last page
15
DOI
https://doi.org/10.1103/PhysRevE.75.026310 Open in new window
URL
https://journals.aps.org/pre/abstract/10.1103/PhysRevE.75.026310 Open in new window
Abstract
Binary convection in large-aspect-ratio annular containers heated from below is studied numerically for a water-ethanol mixture. High-resolution numerical tools based on spectral methods are used to solve the hydrodynamic equations in the two-dimensional approximation. The weakly nonlinear states arising very close to the onset of convection, the strongly nonlinear bursts of amplitude that precede the small-amplitude states, and the dispersive chaotic states encountered further above onset in ex...
Group of research
DF - Dinàmica de Fluids: formació d'estructures i aplicacions geofísiques