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 …

Cascades and transitions in turbulent flows

A Alexakis, L Biferale - Physics Reports, 2018 - Elsevier
Turbulent flows are characterized by the non-linear cascades of energy and other inviscid
invariants across a huge range of scales, from where they are injected to where they are …

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 …

Colloquium: Unusual dynamics of convection in the Sun

J Schumacher, KR Sreenivasan - Reviews of Modern Physics, 2020 - APS
The Sun is our nearest star; it is also the most important star that determines life on Earth. A
large variety of phenomena observed on the Sun's surface, with potential impact on Earth, is …

Turbulent superstructures in Rayleigh-Bénard convection

A Pandey, JD Scheel, J Schumacher - Nature communications, 2018 - nature.com
Turbulent Rayleigh-Bénard convection displays a large-scale order in the form of rolls and
cells on lengths larger than the layer height once the fluctuations of temperature and velocity …

Aspect ratio dependence of heat transfer in a cylindrical Rayleigh-Bénard cell

G Ahlers, E Bodenschatz, R Hartmann, X He, D Lohse… - Physical review …, 2022 - APS
While the heat transfer and the flow dynamics in a cylindrical Rayleigh-Bénard (RB) cell are
rather independent of the aspect ratio Γ (diameter/height) for large Γ, a small-Γ cell …

Rayleigh-Bénard convection: The container shape matters

O Shishkina - Physical Review Fluids, 2021 - APS
To study turbulent thermal convection, one often chooses a Rayleigh-Bénard flow
configuration, where a fluid is confined between a heated bottom plate, a cooled top plate of …

Natural convection over vertical and horizontal heated flat surfaces: A review of recent progress focusing on underpinnings and implications for heat transfer and …

Y Fan, Y Zhao, JF Torres, F Xu, C Lei, Y Li… - Physics of …, 2021 - pubs.aip.org
Natural convection arising over vertical and horizontal heated flat surfaces is one of the most
ubiquitous flows at a range of spatiotemporal scales. Despite significant developments over …

Turbulent thermal superstructures in Rayleigh-Bénard convection

RJAM Stevens, A Blass, X Zhu, R Verzicco, D Lohse - Physical review fluids, 2018 - APS
We report the observation of superstructures, ie, very large-scale and long living coherent
structures in highly turbulent Rayleigh-Bénard convection up to Rayleigh Ra= 10 9. We …

Comparison between two-and three-dimensional Rayleigh–Bénard convection

EP Van Der Poel, RJAM Stevens… - Journal of fluid …, 2013 - cambridge.org
Two-dimensional and three-dimensional Rayleigh–Bénard convection is compared using
results from direct numerical simulations and previous experiments. The phase diagrams for …