Three-dimensional temperature isosurfaces of a fluid in a rotating cylinder heated from below. The long vertical vortices reveal heat-transport enhancement at moderate rotation rates.

From the article:

Prandtl-, Rayleigh-, and Rossby-Number Dependence of Heat Transport in Turbulent Rotating Rayleigh-Bénard Convection
Jin-Qiang Zhong, Richard J. A. M. Stevens, Herman J. H. Clercx, Roberto Verzicco, Detlef Lohse, and Guenter Ahlers
Phys. Rev. Lett. 102, 044502 (2009)

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