PMID: 12786493Jun 6, 2003Paper

Cellular flow patterns and their evolutionary scenarios in three-dimensional Rayleigh-Bénard convection

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
A V Getling, O Brausch

Abstract

The evolution of three-dimensional, cellular convective flows in a plane horizontal layer of a Boussinesq fluid heated from below is studied numerically. Slow motion in the form of a spatially periodic pattern of hexagonal cells is introduced initially. In a further development, the flow can undergo a sequence of transitions between various cell types. The features of the flow evolution agree with the idea of the flow seeking an optimal scale. In particular, two-vortex polygonal cells may form at some evolution stages, with an annular planform of the upflow region and downflows localized in both central and peripheral regions of the cells. If short-wave hexagons are stable, they exhibit a specific, stellate fine structure.

References

Mar 1, 1996·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·R M Clever, F H Busse
Jan 29, 1996·Physical Review Letters·M Assenheimer, V Steinberg
Sep 1, 1996·Chaos·W. Pesch

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Citations

Sep 15, 2017·Proceedings of the National Academy of Sciences of the United States of America·Franziska Glassmeier, Graham Feingold
Jan 3, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Patryk WąsikWuge H Briscoe
Mar 27, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Patryk WąsikWuge H Briscoe

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