Physics – Fluid Dynamics
Scientific paper
Nov 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aps..dfd..jd07k&link_type=abstract
American Physical Society, Division of Fluid Dynamics Meeting, November 21-23, 1999 New Orleans, LA, abstract #JD.07
Physics
Fluid Dynamics
Scientific paper
Jupiter's zonal flows are due to the effects of differential rotation on a forced and dissipated system. It has been argued that in 2D turbulence β influences the system in such a way that the energy spectrum depends on k-5 rather than k-5/3 (Rhines, 1975). Various numerical studies have been done to investigate this phenomenon. We now extend these numerical experiments to a 3D system. In particular, we investigate how a forced and dissipated system two-dimensionalizes and under what parameter range zonalization occurs. We compare with previous results for a 2D quasigeostropic system. The mechanism by which the flow anisotropizes and the energy spectrum steepens is also discussed.
Kundu Tonushree
Marcus Philip S.
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