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 …

Harnessing Gravity‐Induced Instability of Soft Materials: Mechanics and Application

C Lü, K Li, Y Du, H Zhang, C Liu… - Advanced Functional …, 2024 - Wiley Online Library
This work offers a comprehensive overview of how gravity affects soft materials, with a
particular emphasis on gravity‐induced instability. Soft materials, including biological …

[HTML][HTML] Turbulent vertical convection under vertical vibration

XQ Guo, BF Wang, JZ Wu, KL Chong, Q Zhou - Physics of Fluids, 2022 - pubs.aip.org
Vertical convection (VC) under the action of vertical vibration in a square cavity has been
investigated using direct numerical simulation. The simulations are conducted with Prandtl …

Direct numerical simulations of centrifugal convection: from gravitational to centrifugal buoyancy dominance

Z Yao, MS Emran, A Teimurazov… - International Journal of …, 2025 - Elsevier
We report the results of direct numerical simulations (DNS) of centrifugal convection (CC) in
an annular container, heated at the outer sidewall and cooled at the inner wall, all subjected …

[HTML][HTML] Large-eddy simulation of axial, radial and mixed centrifugal convection in a closed rotating cavity

R Wang, JW Chew, F Gao, O Marxen - … Journal of Heat and Mass Transfer, 2024 - Elsevier
Large-eddy simulations (LES) of centrifugal convection in a closed rotating cavity with
different thermal boundary conditions are presented for Rayleigh numbers (Ra) 10 7∼ 10 9 …

Planetary core‐style rotating convective flows in paraboloidal laboratory experiments

TL Lonner, A Aggarwal… - Journal of Geophysical …, 2022 - Wiley Online Library
Turbulent convection in a planet's outer core is simulated here using a thermally‐driven, free
surface paraboloidal laboratory annulus. We show that the rapidly rotating convection …

Evaluation and application of advanced CFD models for rotating disc flows

F Gao, JW Chew - … of the Institution of Mechanical Engineers …, 2021 - journals.sagepub.com
This paper addresses limitations of widely used Reynolds-averaged turbulence models
(RANS) for prediction of gas turbine internal air systems. Results from direct numerical …

Spectra and structure functions of the temperature and velocity fields in supergravitational thermal turbulence

D Wang, S Liu, Q Zhou, C Sun - Physics of Fluids, 2022 - pubs.aip.org
We analyze the power spectra and structure functions (SFs) of the temperature and radial
velocity fields, calculated in the radial and azimuthal directions, in annular centrifugal …

Experimental evidence for the existence of the ultimate regime in rapidly rotating turbulent thermal convection

H Jiang, D Wang, S Liu, C Sun - Physical Review Letters, 2022 - APS
What is the final state of turbulence when the driving parameter approaches infinity? For the
traditional Rayleigh-Bénard convection, a possible ultimate scaling dependence of the heat …

Statistics of temperature and velocity fluctuations in supergravitational convective turbulence

D Wang, J Liu, Q Zhou, C Sun - Acta Mechanica Sinica, 2023 - Springer
We report an experimental study of the temperature and velocity fluctuations in
supergravitational turbulent convection system. The negative spikes of the time series of …