Ultimate Rayleigh-Bénard turbulence
Thermally driven turbulent flows are omnipresent in nature and technology. A good
understanding of the physical principles governing such flows is key for numerous problems …
understanding of the physical principles governing such flows is key for numerous problems …
New perspectives in turbulent Rayleigh-Bénard convection
Recent experimental, numerical and theoretical advances in turbulent Rayleigh-Bénard
convection are presented. Particular emphasis is given to the physics and structure of the …
convection are presented. Particular emphasis is given to the physics and structure of the …
Enhanced heat transport in partitioned thermal convection
Enhancement of heat transport across a fluid layer is of fundamental interest as well as great
technological importance. For decades, Rayleigh–Bénard convection has been a paradigm …
technological importance. For decades, Rayleigh–Bénard convection has been a paradigm …
Simultaneous 3D measurement of the translation and rotation of finite-size particles and the flow field in a fully developed turbulent water flow
We report a novel experimental technique that measures simultaneously in three
dimensions the trajectories, the translation and the rotation of finite-size inertial particles …
dimensions the trajectories, the translation and the rotation of finite-size inertial particles …
Experimental evidence of a phase transition in a closed turbulent flow
We experimentally study the susceptibility to symmetry breaking of a closed turbulent von
Kármán swirling flow from Re= 150 to Re≃ 10 6. We report a divergence of this susceptibility …
Kármán swirling flow from Re= 150 to Re≃ 10 6. We report a divergence of this susceptibility …
Bulk scaling in wall-bounded and homogeneous vertical natural convection
Previous numerical studies on homogeneous Rayleigh–Bénard convection, which is
Rayleigh–Bénard convection (RBC) without walls, and therefore without boundary layers …
Rayleigh–Bénard convection (RBC) without walls, and therefore without boundary layers …
Heat transfer and flow structure in centrally-confined 2-D Rayleigh-Bénard convection
C Sun, J Wu, X Meng, C Liu, W Xu, Y Dong… - Journal of …, 2024 - Springer
Through direct numerical simulations, we investigated the flow structure and heat transfer of
the centrally confined 2-D Rayleigh-Bénard (RB) convection over the Rayleigh number …
the centrally confined 2-D Rayleigh-Bénard (RB) convection over the Rayleigh number …
Steady thermal convection representing the ultimate scaling
S Motoki, G Kawahara… - … Transactions of the …, 2022 - royalsocietypublishing.org
Nonlinear simple invariant solutions representing the ultimate scaling have been discovered
to the Navier–Stokes equations for thermal convection between horizontal no-slip …
to the Navier–Stokes equations for thermal convection between horizontal no-slip …
Heat transfer measurements in an inclined low aspect ratio Rayleigh–Bénard convection cell under feedback control
RH Hernández, M Vial - International Journal of Thermal Sciences, 2023 - Elsevier
We report experimental results on the inclined Rayleigh–Bénard convection of a moderate
aspect ratio convection cell using a high Prandtl aqueous solution of glycerol. The main goal …
aspect ratio convection cell using a high Prandtl aqueous solution of glycerol. The main goal …
Buoyancy-driven bubbly flows: scaling of velocities in bubble columns operated in the heterogeneous regime
The hydrodynamics of bubble columns in the heterogeneous regime is revisited. Focusing
on air–water systems at large aspect ratio, we show from dimensional analysis that …
on air–water systems at large aspect ratio, we show from dimensional analysis that …