Transitions between turbulent states in rotating Rayleigh-Bénard convection

R.J.A.M. Stevens, J.-Q. Zhong, H.J.H. Clercx, G. Ahlers, D. Lohse

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Abstract

Weakly rotating turbulent Rayleigh-Bénard convection was studied experimentally and numerically. With increasing rotation and large enough Rayleigh number a supercritical bifurcation from a turbulent state with nearly rotation-independent heat transport to another with enhanced heat transfer is observed at a critical inverse Rossby number 1/Roc 0.4. The strength of the large-scale convection roll is either enhanced or essentially unmodified depending on parameters for 1/Ro
Original languageEnglish
Article number024503
Pages (from-to)024503-1/4
Number of pages4
JournalPhysical Review Letters
Volume103
Issue number2
DOIs
Publication statusPublished - 2009

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