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Phys. Rev. A 27, 1255–1258 (1983)

Some new routes to chaos in Rayleigh-Benard convection

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R. W. Walden
Bell Laboratories, Murray Hill, New Jersey 07974

Received 10 November 1982; published in the issue dated February 1983

For Rayleigh-Benard convection in a cylindrical container of radius-to-height ratio 2.93 and Prandtl number between 0.49 and 0.78, we report new sequences of transitions from steady to time-dependent flow. Oscillations of period comparable to the horizontal thermal diffusion time th and transients of many th in duration have been observed. The dependence of these transitions on Prandtl number is consistent with predictions for the skewed-varicose instability.

© 1983 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.27.1255
DOI:
10.1103/PhysRevA.27.1255
PACS: