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Mean flows and the onset of chaos in large-cell convection

Greenside, H. S. and Cross, M. C. and Coughran, W. M., Jr. (1988) Mean flows and the onset of chaos in large-cell convection. Physical Review Letters, 60 (22). pp. 2269-2272. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:GREprl88

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Abstract

Numerical simulations of two-dimensional model equations show that a coupling between amplitude and vertical-vorticity fields allows chaotic flows near the onset of Rayleigh-Bénard convection in large-aspect-ratio domains. In cylindrical cells, mean flows arising from this coupling lead to a chaotic nucleation of dislocations that is remarkably similar to recent observations in convection experiments.


Item Type:Article
Additional Information:©1988 The American Physical Society. Received 24 December 1987. We would like to thank Guenter Ahlers, Bill Baxter, Robert Behringer, Petter Bjorstad, Jerry Gollub, Michael Heutmaker, and Pierre Hohenberg for useful discussions. This work was supported by a United States Department of Energy Grant No. DE-AC02-76-CHO-3073, by an Office of Naval Research Grant No. N00014-85-K-0487, by a National Science Foundation Grant No. DMR-8412543, and by computer time made available at the San Diego Supercomputer Center.
Record Number:CaltechAUTHORS:GREprl88
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:GREprl88
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.60.2269
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3695
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:29 Jun 2006
Last Modified:26 Dec 2012 08:55

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