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Jovian Vortices and Jets

Department of Earth, Atmospheric and Planetary Sciences (EAPS), Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA
Department of Physics and Institute for Fusion Studies, University of Texas at Austin, Austin, TX 78712, USA
Author to whom correspondence should be addressed.
Fluids 2019, 4(2), 104;
Received: 16 April 2019 / Revised: 15 May 2019 / Accepted: 16 May 2019 / Published: 3 June 2019
(This article belongs to the Collection Geophysical Fluid Dynamics)
We explore the theory of isolated vortices in strongly sheared, deep zonal flows and the stability of these banded jets, as occur in Jupiter’s atmosphere This is done using the standard 2-layer quasigeostrophic model with the lower layer depth becoming infinite; however, this model differs from the usual layer model because the lower layer is not assumed to be motionless but has a steady configuration of alternating zonal flows. Steady state vortices are obtained by a simulated annealing computational method as generalized to fluid problems with constraints and also used in the used in the context of magnetohydrodynamics. Various cases of vortices with a constant potential vorticity anomaly atop zonal winds and the stability of the underlying winds are considered using a mix of computational and analytical techniques. View Full-Text
Keywords: Jupiter; red spot; jets; simulated annealing; Hamiltonian; Dirac bracket Jupiter; red spot; jets; simulated annealing; Hamiltonian; Dirac bracket
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Flierl, G.R.; Morrison, P.J.; Vilasur Swaminathan, R. Jovian Vortices and Jets. Fluids 2019, 4, 104.

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