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The dynamics of rotating fluids and binary stars

  • M.-J. Goupil, J.-P. Zahn and M. Rieutord (a1)

Abstract

In this lecture I try to explain the basic concepts related to fluid motions when a background rotation dominates the flows. In particular, the notions of geostrophic flow, Ekman layer, Ekman circulation are explained. However, the main focus of this lecture is on the eigenmodes which occur in such a context and I emphasize here the special effects conveyed to inertial and gravito-inertial modes by the hyperbolic nature of the governing operators. A final section introduces the case of the elliptic instability which I recently suggested as one of the processes of binary synchronization.

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The dynamics of rotating fluids and binary stars

  • M.-J. Goupil, J.-P. Zahn and M. Rieutord (a1)

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