Tuning heat transport via coherent structure manipulation: recent advances in thermal turbulence

KQ **a, SD Huang, YC **e, L Zhang - National Science Review, 2023 - academic.oup.com
Tuning transport properties through the manipulation of elementary structures has achieved
great success in many areas, such as condensed matter physics. However, the ability to …

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 …

Low-Prandtl-number effects on global and local statistics in two-dimensional Rayleigh–Bénard convection

Y Zhang, Q Zhou - Physics of Fluids, 2024 - pubs.aip.org
We present global and local statistical properties of turbulent Rayleigh–Bénard (RB)
convection at low Prandtl numbers in this work. A series of high resolution two-dimensional …

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 …

Non-Oberbeck–Boussinesq effects in two-dimensional Rayleigh–Bénard convection of different fluids

X Pan, JI Choi - Physics of Fluids, 2023 - pubs.aip.org
Non-Oberbeck–Boussinesq (NOB) effects in three representative fluids are quantitatively
investigated in two-dimensional Rayleigh–Bénard convection. Numerical simulations are …

Confined Rayleigh-Bénard, rotating Rayleigh-Bénard, and double diffusive convection: A unifying view on turbulent transport enhancement through coherent structure …

KL Chong, Y Yang, SD Huang, JQ Zhong… - Physical review …, 2017 - APS
Many natural and engineering systems are simultaneously subjected to a driving force and a
stabilizing force. The interplay between the two forces, especially for highly nonlinear …

Effects of Prandtl number in quasi-two-dimensional Rayleigh–Bénard convection

XM Li, JD He, Y Tian, P Hao, SD Huang - Journal of Fluid Mechanics, 2021 - cambridge.org
We report an experimental study of the Prandtl-number effects in quasi-two-dimensional
(quasi-2-D) Rayleigh–Bénard convection. The experiments were conducted in four …

The influence of the cell inclination on the heat transport and large-scale circulation in liquid metal convection

L Zwirner, R Khalilov, I Kolesnichenko… - Journal of Fluid …, 2020 - cambridge.org
Inclined turbulent thermal convection in liquid sodium is studied at large Rayleigh numbers
$ Ra\gtrsim 10^{7} $ based on the results of both experimental measurements and high …

Elliptical instability and multiple-roll flow modes of the large-scale circulation in confined turbulent Rayleigh-Bénard convection

L Zwirner, A Tilgner, O Shishkina - Physical Review Letters, 2020 - APS
The large-scale circulation (LSC) of fluid is one of the main concepts in turbulent thermal
convection as it is known to be important in global heat and mass transport in the system. In …

Confined inclined thermal convection in low-Prandtl-number fluids

L Zwirner, O Shishkina - Journal of Fluid Mechanics, 2018 - cambridge.org
Any tilt of a Rayleigh–Bénard convection cell against gravity changes the global flow
structure inside the cell, which leads to a change of the heat and momentum transport …