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 …

Turbulent rotating rayleigh–bénard convection

RE Ecke, O Shishkina - Annual Review of Fluid Mechanics, 2023 - annualreviews.org
Rotation with thermally induced buoyancy governs many astrophysical and geophysical
processes in the atmosphere, ocean, sun, and Earth's liquid-metal outer core. Rotating …

Heat-transfer scaling at moderate Prandtl numbers in the fully rough regime

K Zhong, N Hutchins, D Chung - Journal of Fluid Mechanics, 2023 - cambridge.org
In the fully rough regime, proposed models predict a scaling for a roughness heat-transfer
coefficient, eg the roughness Stanton number can remain an apt description of the flow …

Thermal convection in inclined cylindrical containers

O Shishkina, S Horn - Journal of Fluid Mechanics, 2016 - cambridge.org
Thermal convection in inclined cylindrical containers Page 1 J. Fluid Mech. (2016), vol. 790, R3,
doi:10.1017/jfm.2016.55 Thermal convection in inclined cylindrical containers Olga Shishkina …

Thermal boundary layer equation for turbulent Rayleigh–Bénard convection

O Shishkina, S Horn, S Wagner, ESC Ching - Physical Review Letters, 2015 - APS
We report a new thermal boundary layer equation for turbulent Rayleigh–Bénard convection
for Prandtl number Pr> 1 that takes into account the effect of turbulent fluctuations. These …

Heat flux enhancement by regular surface roughness in turbulent thermal convection

S Wagner, O Shishkina - Journal of Fluid Mechanics, 2015 - cambridge.org
Direct numerical simulations (DNS) of turbulent thermal convection in a box-shaped domain
with regular surface roughness at the heated bottom and cooled top surfaces are conducted …

Heat and momentum transport scalings in horizontal convection

O Shishkina, S Grossmann… - Geophysical research …, 2016 - Wiley Online Library
In a horizontal convection (HC) system heat is supplied and removed exclusively through a
single, top, or bottom, surface of a fluid layer. It is commonly agreed that in the studied …

[HTML][HTML] Turbulent Heat Transfer over roughness: a comprehensive review of theories and turbulent flow structure

M Kadivar, H Garg - International Journal of Thermofluids, 2024 - Elsevier
Turbulent heat transfer over rough surfaces is crucial in natural and industrial processes, yet
it has received less attention than that of momentum transfer. Recently, research in this field …

Momentum and heat transport scalings in laminar vertical convection

O Shishkina - Physical Review E, 2016 - APS
We derive the dependence of the Reynolds number Re and the Nusselt number Nu on the
Rayleigh number Ra and the Prandtl number Pr in laminar vertical convection (VC), where a …

Prandtl-number dependence of heat transport in laminar horizontal convection

O Shishkina, S Wagner - Physical Review Letters, 2016 - APS
We report the Prandtl-number (Pr) and Rayleigh-number (Ra) dependencies of the
Reynolds number (Re) and mean convective heat transport, measured by the Nusselt …