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 …
understanding of the physical principles governing such flows is key for numerous problems …
Natural convection over vertical and horizontal heated flat surfaces: A review of recent progress focusing on underpinnings and implications for heat transfer and …
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 …
ubiquitous flows at a range of spatiotemporal scales. Despite significant developments over …
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 …
configuration, where a fluid is confined between a heated bottom plate, a cooled top plate of …
Effect of shear on local boundary layers in turbulent convection
PP Shevkar, SK Mohanan… - Journal of Fluid …, 2023 - cambridge.org
In Rayleigh Bénard convection, for a range of Prandtl numbers $4.69\leqslant Pr\leqslant
5.88$ and Rayleigh numbers $5.52\times 10^ 5\leqslant Ra\leqslant 1.21\times 10^ 9$, we …
5.88$ and Rayleigh numbers $5.52\times 10^ 5\leqslant Ra\leqslant 1.21\times 10^ 9$, we …
[HTML][HTML] Heat and momentum transfer in Rayleigh–Bénard convection within a two-dimensional annulus under radial gravity
We conduct direct numerical simulations (DNS) to explore Rayleigh–Bénard convection
(RBC) within a two-dimensional (2D) annular domain, where the radius ratio (η) plays a …
(RBC) within a two-dimensional (2D) annular domain, where the radius ratio (η) plays a …
Heat-flux fluctuations revealing regime transitions in Rayleigh-Bénard convection
The study of the transitions among different regimes in thermal convection has been an
issue of paramount importance in fluid mechanics. While the bifurcations at low Rayleigh …
issue of paramount importance in fluid mechanics. While the bifurcations at low Rayleigh …
Non-Boussinesq convection at low Prandtl numbers relevant to the Sun
Convection in the Sun occurs at Rayleigh numbers, Ra, as high as 10 22 and molecular
Prandtl numbers, Pr, as low as 10− 6, under conditions that are far from satisfying the …
Prandtl numbers, Pr, as low as 10− 6, under conditions that are far from satisfying the …
Thermal boundary layer dynamics in low-Prandtl-number Rayleigh–Bénard convection
Thermal boundary layer dynamics in low-Prandtl-number Rayleigh–Bénard convection Page 1
J. Fluid Mech. (2024), vol. 994, A4, doi:10.1017/jfm.2024.629 Thermal boundary layer dynamics …
J. Fluid Mech. (2024), vol. 994, A4, doi:10.1017/jfm.2024.629 Thermal boundary layer dynamics …
Oscillatory large-scale circulation in liquid-metal thermal convection and its structural unit
In Rayleigh–Bénard convection, the size of a flow domain and its aspect ratio. Future studies
for large-aspect-ratio domains of different shapes would enhance our understanding of how …
for large-aspect-ratio domains of different shapes would enhance our understanding of how …
Turbulent Prandtl number from isotropically forced turbulence
Turbulent Prandtl number from isotropically forced turbulence Page 1 J. Fluid Mech. (2022), vol.
952, R1, doi:10.1017/jfm.2022.906 Turbulent Prandtl number from isotropically forced …
952, R1, doi:10.1017/jfm.2022.906 Turbulent Prandtl number from isotropically forced …