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Thermal Rossby waves in a rotating annulus. Their stability

Autor
Pino, D.; Net, M.; Sanchez, J.; Mercader, M.
Tipus d'activitat
Article en revista
Revista
Physical review E, statistical physics, plasmas, fluids, and related interdisciplinary topics
Data de publicació
2001-04
Volum
63
Número
5
Pàgina inicial
1
Pàgina final
14
DOI
https://doi.org/10.1103/PhysRevE.63.056312 Obrir en finestra nova
Resum
Nonlinear thermal convection in a fast rotating annulus about its axis, with slightly inclined ends, radial gravity and heating, is studied numerically for a fluid of Prandtl number sigma=0.7 and different values of the radius ratio and rotation rate. The properties of the rotating waves that appear after the Hopf bifurcation of the conductive state are analyzed. Near the critical Rayleigh number, different types of solutions with the same wave number coexist, and they are classified as a functi...
Grup de recerca
DF - Dinàmica No Lineal de Fluids