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Transition to temporal chaos in an O(2)-symmetric convective system for low Prandtl numbers

Author
Alonso, Arantxa; Sanchez, J.; Net, M.
Type of activity
Journal article
Journal
Progress of theoretical physics supplement
Date of publication
2000-02
Volume
139
First page
315
Last page
324
DOI
https://doi.org/10.1143/PTPS.139.315 Open in new window
URL
https://academic.oup.com/ptps/article-lookup/doi/10.1143/PTPS.139.315 Open in new window
Abstract
Two-dimensional nonlinear convection in a vertical rotating cylindrical annulus with flat adiabatic stress-free lids, heated from the inside and with radial gravity, is numerically analyzed for a low value of the Prandtl number, s = 0.025. When the Rayleigh number exceeds a critical value, the conduction state becomes unstable and steady columns parallel to the axis of rotation, and characterized by a finite integer azimuthal wavenumber, n, are the preferred form of convection at the onset for l...
Keywords
2D nonlinear convection, Columnar solutions, Conduction state, Critical value, Finite integer azimuthal wavenumber, Flat adiabatic stress-free lid, Numerical study, O(2)-symmetric convective system, Low Prandtl numbers, Radial gravity, Rayleigh number, Temporal chaos transition, Vertical rotating cylindrical annulus
Group of research
DF - Dinàmica de Fluids: formació d'estructures i aplicacions geofísiques

Participants