Vortex-front propagation in Rayleigh-Bénard convection

Jay Fineberg*, Victor Steinberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

74 Scopus citations


We present experimental measurements of the velocity of a convective vortex front propagating into an unstable conductive state in a Rayleigh-Bénard system for the wide range of μ (μ"T/"Tc-1) between 4×10-4 and 2.5×10-1. The results are found to be in excellent quantitatitve agreement with the theoretical predictions following from an amplitude equation, exhibiting a sharp selection mechanism in the propagation velocity. Wave-number selection by this dynamical mechanism is also studied.

Original languageAmerican English
Pages (from-to)1332-1335
Number of pages4
JournalPhysical Review Letters
Issue number13
StatePublished - 1987
Externally publishedYes


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