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Dissipation mechanisms for convection in rapidly rotating spheres and the formation of banded structures
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10.1063/1.2215605
/content/aip/journal/pof2/18/6/10.1063/1.2215605
http://aip.metastore.ingenta.com/content/aip/journal/pof2/18/6/10.1063/1.2215605
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Figures

Image of FIG. 1.
FIG. 1.

(a) Zonal wind profiles vs for , and increasing Rayleigh numbers, from top to bottom: , , and . The column on the left corresponds to simulations with bulk viscosity only, the middle column to simulations retaining Ekman pumping only, and the right column to simulations combining both effects. The rms value (in space and time) for the zonal and nonaxisymmetric components of the flow is indicated in each graph. (b) Equatorial stream function of the flow for and retaining Ekman pumping only.

Image of FIG. 2.
FIG. 2.

(a) Zonal wind profiles vs at Rayleigh number twice critical , for decreasing Ekman numbers, from top to bottom: , , and (column arrangement follows that of Fig. 1(a)). (b) Zonal wind profiles vs for Ekman numbers: , , and . The Rayleigh number is only 10% above critical . These simulations retain the Ekman pumping term as the only dissipation term on the zonal flow, in order to highlight the increase in the number of bands observed just above the onset with decreasing Ekman numbers.

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/content/aip/journal/pof2/18/6/10.1063/1.2215605
2006-06-21
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dissipation mechanisms for convection in rapidly rotating spheres and the formation of banded structures
http://aip.metastore.ingenta.com/content/aip/journal/pof2/18/6/10.1063/1.2215605
10.1063/1.2215605
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