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Heat transfer and large scale dynamics in turbulent Rayleigh-Bnard Guenter Ahlers*

Summary: Heat transfer and large scale dynamics in turbulent Rayleigh-Bénard
Guenter Ahlers*
Department of Physics and iQCD, University of California, Santa Barbara, California
93106, USA
Siegfried Grossmann
Fachbereich Physik, Philipps-Universität Marburg, D-35032 Marburg, Germany
Detlef Lohse
Physics of Fluids Group, Department of Science and Technology, J. M. Burgers Centre
for Fluid Dynamics, and Impact-Institute, University of Twente, 7500 AE Enschede,
The Netherlands
Published 22 April 2009
The progress in our understanding of several aspects of turbulent Rayleigh-Bénard convection is
reviewed. The focus is on the question of how the Nusselt number and the Reynolds number depend
on the Rayleigh number Ra and the Prandtl number Pr, and on how the thicknesses of the thermal and
the kinetic boundary layers scale with Ra and Pr. Non-Oberbeck-Boussinesq effects and the dynamics
of the large scale convection roll are addressed as well. The review ends with a list of challenges for
future research on the turbulent Rayleigh-Bénard system.
DOI: 10.1103/RevModPhys.81.503 PACS number s : 47.27.te, 47.55.P , 47.27.T


Source: Ahlers, Guenter - Department of Physics, University of California at Santa Barbara


Collections: Physics