Simitev, R. and Busse, F.H. (2003) Patterns of convection in rotating spherical shells. New Journal of Physics, 5, p. 97. (doi: 10.1088/1367-2630/5/1/397)
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Publisher's URL: http://dx.doi.org/10.1088/1367-2630/5/1/397
Abstract
Patterns of convection in internally heated, self-gravitating rotating spherical fluid shells are investigated through numerical simulations. While turbulent states are of primary interest in planetary and stellar applications the present paper emphasizes more regular dynamical features at Rayleigh numbers not far above threshold which are similar to those which might be observed in laboratory or space experiments. Amplitude vacillations and spatial modulations of convection columns are common features at moderate and large Prandtl numbers. In the low Prandtl number regime equatorially attached convection evolves differently with increasing Rayleigh number and exhibits an early transition into a chaotic state. Relationships of the dynamical features to coherent structures in fully turbulent convection states are emphasized.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Simitev, Professor Radostin |
| Authors: | Simitev, R., and Busse, F.H. |
| Subjects: | Q Science > QC Physics |
| College/School: | College of Science and Engineering > School of Mathematics and Statistics > Mathematics |
| Journal Name: | New Journal of Physics |
| Publisher: | Institute of Physics Publishing Ltd. |
| ISSN: | 1367-2630 |
| ISSN (Online): | 1367-2630 |
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