Physics
Scientific paper
Feb 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.331..689s&link_type=abstract
Nature (ISSN 0028-0836), vol. 331, Feb. 25, 1988, p. 689-693. Research supported by the Exxon Education Foundation, U.S. Navy, N
Physics
85
Annular Flow, Atmospheric Turbulence, Jupiter Red Spot, Vortices, Counter Rotation, Flow Visualization, Jet Flow, Two Phase Flow, Jupiter, Models, Simulations, Great Red Spot, Laboratory Studies, Surface, Features, Experiments, Stability, Atmosphere, Turbulence, Evolution, Dynamics, Equipment, Diagrams, Photographs, Calculations, Parameters, Numerical Methods, Flow, Fluids, Energy
Scientific paper
The existence of isolated large stable vortices like the Great Red Spot in the turbulent atmospheres of Jupiter and Saturn is a challenging problem in fluid mechanics. To test the numerical simulation finding of Marcus (1988) that a single stable vortex develops for a wide variety of conditions in a turbulent shear flow in a rotating annulus, an experiment was conducted using a rotating annulus filled with fluid pumped in the radial direction. The annulus rotates rigidly, but the action of the Coriolis force on the radially pumped fluid produces a counterrotating jet. Coherent vortices spontaneously form in this turbulent jet, and for a wide range of rotation and pumping rates the flow evolves until only one large vortex remains.
Meyers Steven D.
Sommeria Joel
Swinney Harry L.
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