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Optimal Prandtl number for heat transfer in rotating Rayleigh-Benard convection
Richard J. A. M. Stevens, Herman J. H. Clercx, Detlef Lohse
Numerical data for the heat transfer as a function of the Prandtl (Pr) and Rossby (Ro) numbers in turbulent rotating Rayleigh-Benard convection are presented for Rayleigh number Ra…
Radial boundary layer structure and Nusselt number in Rayleigh-Benard convection
Richard J. A. M. Stevens, Roberto Verzicco, Detlef Lohse
Results from direct numerical simulations for three dimensional Rayleigh-Benard convection in a cylindrical cell of aspect ratio 1/2 and Pr=0.7 are presented. They span five decade…
Transitions between turbulent states in rotating Rayleigh-Benard convection
Richard J. A. M. Stevens, Jin-Qiang Zhong, Herman J. H. Clercx +2
Weakly-rotating turbulent Rayleigh-Benard convection was studied experimentally and numerically. With increasing rotation and large enough Rayleigh number an abrupt transition from…