New perspectives in turbulent Rayleigh-Bénard convection

F Chillà, J Schumacher - The European Physical Journal E, 2012 - Springer
Recent experimental, numerical and theoretical advances in turbulent Rayleigh-Bénard
convection are presented. Particular emphasis is given to the physics and structure of the …

Heat transfer and large scale dynamics in turbulent Rayleigh-Bénard convection

G Ahlers, S Grossmann, D Lohse - Reviews of modern physics, 2009 - APS
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 …

Scaling in thermal convection: a unifying theory

S Grossmann, D Lohse - Journal of Fluid Mechanics, 2000 - cambridge.org
A systematic theory for the scaling of the Nusselt number Nu and of the Reynolds number
Re in strong Rayleigh–Bénard convection is suggested and shown to be compatible with …

Transition to the ultimate state of turbulent Rayleigh-Bénard convection

X He, D Funfschilling, H Nobach, E Bodenschatz… - Physical review …, 2012 - APS
Measurements of the Nusselt number Nu and of a Reynolds number Re eff for Rayleigh-
Bénard convection (RBC) over the Rayleigh-number range 10 12≲ Ra≲ 10 15 and for …

From laminar plumes to organized flows: the onset of large-scale circulation in turbulent thermal convection

HD **, S Lam, KQ **a - Journal of Fluid Mechanics, 2004 - cambridge.org
We report an experimental study on the onset of the large-scale coherent mean flow in
Rayleigh–Bénard turbulent convection. Shadowgraph and particle image velocimetry …

Statistical and physical balances in low Rossby number Rayleigh–Bénard convection

K Julien, AM Rubio, I Grooms… - … & Astrophysical Fluid …, 2012 - Taylor & Francis
Rapidly rotating Rayleigh–Bénard convection is studied using an asymptotically reduced
equation set valid in the limit of low Rossby numbers. Four distinct dynamical regimes are …

Inferring turbulent velocity and temperature fields and their statistics from Lagrangian velocity measurements using physics-informed Kolmogorov-Arnold Networks

JD Toscano, T Käufer, Z Wang, M Maxey… - arxiv preprint arxiv …, 2024 - arxiv.org
We propose the Artificial Intelligence Velocimetry-Thermometry (AIVT) method to infer
hidden temperature fields from experimental turbulent velocity data. This physics-informed …

Measured local heat transport in turbulent Rayleigh-Bénard convection

XD Shang, XL Qiu, P Tong, KQ **a - Physical review letters, 2003 - APS
Local convective heat flux in turbulent thermal convection is obtained from simultaneous
velocity and temperature measurements in an aspect-ratio-one convection cell filled with …

Three-dimensional flow structures and dynamics of turbulent thermal convection in a cylindrical cell

C Sun, KQ **a, P Tong - Physical Review E—Statistical, Nonlinear, and Soft …, 2005 - APS
The technique of particle image velocimetry is used to study the velocity field of turbulent
Rayleigh-Bénard convection in an aspect-ratio-1 cylindrical cell filled with water. By …

Flow mode transitions in turbulent thermal convection

HD **, KQ **a - Physics of Fluids, 2008 - pubs.aip.org
We report an experimental study of structures and dynamics of the large-scale mean flow in
Rayleigh–Bénard convection cells with aspect ratio (Γ) 1⁠, 1∕ 2⁠, and 1∕ 3⁠. It is found …