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Heat transport by turbulent Rayleigh-Bénard convection for $\Pra\ \simeq 0.8$ and $4\times 10^{11} \alt \Ra\ \alt 2\times10^{14}$: Ultimate-state transition for aspect ratio
Xiaozhou He, Denis Funfschilling, Eberhard Bodenschatz +1
We report experimental results for heat-transport measurements by turbulent Rayleigh-Bénard convection in a cylindrical sample of aspect ratio ( m is…
Simultaneous 3D measurement of the translation and rotation of finite size particles and the flow field in a fully developed turbulent water flow
Simon Klein, Mathieu Gibert, Antoine Bérut +1
We report a novel experimental technique that measures simultaneously in three dimensions the trajectories, the translation, and the rotation of finite size inertial particles toge…
Heat transport by turbulent Rayleigh-Bénard convection for $\Pra\ \simeq 0.8$ and $3\times 10^{12} \alt \Ra\ \alt 10^{15}$: Aspect ratio
Guenter Ahlers, Xiaozhou He, Denis Funfschilling +1
We report experimental results for heat-transport measurements, in the form of the Nusselt number \Nu, by turbulent Rayleigh-Bénard convection in a cylindrical sample of aspect rat…
Logarithmic temperature profiles in turbulent Rayleigh-Bénard convection
Guenter Ahlers, Eberhard Bodenschatz, Denis Funfschilling +5
We report results for the temperature profiles of turbulent Rayleigh-Bénard convection (RBC) in the interior of a cylindrical sample of aspect ratio ( and $…
Tetrahedron deformation and alignment of perceived vorticity and strain in a turbulent flow
Alain Pumir, Eberhard Bodenschatz, Haitao Xu
We describe the structure and dynamics of turbulence by the scale-dependent perceived velocity gradient tensor as supported by following four tracers, i.e. fluid particles, that in…