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 …

Neutralizing the impact of atmospheric turbulence on complex scene imaging via deep learning

D **, Y Chen, Y Lu, J Chen, P Wang, Z Liu… - Nature Machine …, 2021 - nature.com
A turbulent medium with eddies of different scales gives rise to fluctuations in the index of
refraction during the process of wave propagation, which interferes with the original spatial …

Multiple states in turbulent large-aspect-ratio thermal convection: what determines the number of convection rolls?

Q Wang, R Verzicco, D Lohse, O Shishkina - Physical review letters, 2020 - APS
Wall-bounded turbulent flows can take different statistically stationary turbulent states, with
different transport properties, even for the very same values of the control parameters. What …

Aspect ratio dependence of heat transfer and large-scale flow in turbulent convection

J Bailon-Cuba, MS Emran… - Journal of Fluid …, 2010 - cambridge.org
The heat transport and corresponding changes in the large-scale circulation (LSC) in
turbulent Rayleigh–Bénard convection are studied by means of three-dimensional direct …

Multiple states in highly turbulent Taylor–Couette flow

SG Huisman, RC Van Der Veen, C Sun… - Nature …, 2014 - nature.com
The ubiquity of turbulent flows in nature and technology makes it of utmost importance to
fundamentally understand turbulence. Kolmogorov's 1941 paradigm suggests that for …

Wall-sheared thermal convection: heat transfer enhancement and turbulence relaminarization

A Xu, BR Xu, HD ** - Journal of Fluid Mechanics, 2023 - cambridge.org
We studied the flow organization and heat transfer properties in two-dimensional and three-
dimensional Rayleigh–Bénard cells that are imposed with different types of wall shear. The …

Prandtl and Rayleigh number dependence of heat transport in high Rayleigh number thermal convection

RJAM Stevens, D Lohse, R Verzicco - Journal of fluid mechanics, 2011 - cambridge.org
Results from direct numerical simulation for three-dimensional Rayleigh–Bénard convection
in samples of aspect ratio and up to Rayleigh number are presented. The broad range of …

Aspect-ratio dependency of Rayleigh-Bénard convection in box-shaped containers

S Wagner, O Shishkina - Physics of Fluids, 2013 - pubs.aip.org
We report on a numerical study of the aspect-ratio dependency of Rayleigh-Bénard
convection, using direct numerical simulations. The investigated domains have equal height …

Collapse of coherent large scale flow in strongly turbulent liquid metal convection

F Schindler, S Eckert, T Zürner, J Schumacher… - Physical Review Letters, 2022 - APS
The large-scale flow structure and the turbulent transfer of heat and momentum are directly
measured in highly turbulent liquid metal convection experiments for Rayleigh numbers …