Ultimate Rayleigh-Bénard turbulence

D Lohse, O Shishkina - Reviews of modern physics, 2024 - APS
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 …

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 …

Rotations and cessations of the large-scale circulation in turbulent Rayleigh–Bénard convection

E Brown, G Ahlers - Journal of Fluid Mechanics, 2006 - cambridge.org
Rotations and cessations of the large-scale circulation in turbulent Rayleigh–Bénard
convection Page 1 J. Fluid Mech. (2006), vol. 568, pp. 351–386. c 2006 Cambridge University …

Current trends and future directions in turbulent thermal convection

KQ Xia - Theoretical and Applied Mechanics Letters, 2013 - Elsevier
The system of turbulent thermal convection is introduced. Progresses in recent decades in
the four major areas of research in turbulent convection are briefly reviewed. Some of the …

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 …

Ripple pattern formation on silicon surfaces by low-energy ion-beam erosion: Experiment and theory

B Ziberi, F Frost, T Höche, B Rauschenbach - Physical Review B—Condensed …, 2005 - APS
The topography evolution of Si surfaces during low-energy noble-gas ion-beam erosion (ion
energy⩽ 2000 eV) at room temperature has been studied. Depending on the ion-beam …

Suppression of flow reversals via manipulating corner rolls in plane Rayleigh–Bénard convection

CB Zhao, BF Wang, JZ Wu, KL Chong… - Journal of Fluid …, 2022 - cambridge.org
In this paper, we report that reversals of the large-scale circulation in two-dimensional
Rayleigh–Bénard (RB) convection can be suppressed by imposing sinusoidally distributed …

Boundary zonal flow in rotating turbulent Rayleigh-Bénard convection

X Zhang, DPM Van Gils, S Horn, M Wedi, L Zwirner… - Physical review …, 2020 - APS
For rapidly rotating turbulent Rayleigh–Bénard convection in a slender cylindrical cell,
experiments and direct numerical simulations reveal a boundary zonal flow (BZF) that …

Jump rope vortex in liquid metal convection

T Vogt, S Horn, AM Grannan… - Proceedings of the …, 2018 - National Acad Sciences
Understanding large-scale circulations (LSCs) in turbulent convective systems is important
for the study of stars, planets, and in many industrial applications. The canonical model of …

Flow mode transitions in turbulent thermal convection

HD Xi, KQ Xia - 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 …