Force balance in rapidly rotating Rayleigh–Bénard convection

AJA Guzmán, M Madonia, JS Cheng… - Journal of fluid …, 2021 - cambridge.org
The force balance of rotating Rayleigh–Bénard convection regimes is investigated using
direct numerical simulation on a laterally periodic domain, vertically bounded by no-slip …

Connecting wall modes and boundary zonal flows in rotating Rayleigh-Bénard convection

RE Ecke, X Zhang, O Shishkina - Physical Review Fluids, 2022 - APS
Using direct numerical simulations, we study rotating Rayleigh-Bénard convection in a
cylindrical cell with aspect ratio Γ= 1/2, for Prandtl number 0.8, Ekman number 10− 6, and …

Optimal heat transport in rotating Rayleigh-Bénard convection at large Rayleigh numbers

R Hartmann, GS Yerragolam, R Verzicco, D Lohse… - Physical Review …, 2023 - APS
The heat transport in rotating Rayleigh-Bénard convection (RBC) can be significantly
enhanced for moderate rotation, ie, for an intermediate range of Rossby numbers Ro …

Velocity and acceleration statistics in rapidly rotating Rayleigh–Bénard convection

H Rajaei, KMJ Alards, RPJ Kunnen… - Journal of fluid …, 2018 - cambridge.org
Background rotation causes different flow structures and heat transfer efficiencies in
Rayleigh–Bénard convection. Three main regimes are known: rotation unaffected, rotation …

Jets and large-scale vortices in rotating Rayleigh-Bénard convection

C Guervilly, DW Hughes - Physical Review Fluids, 2017 - APS
One of the most prominent dynamical features of turbulent, rapidly rotating convection is the
formation of large-scale coherent structures, driven by Reynolds stresses resulting from the …

The geostrophic regime of rapidly rotating turbulent convection

RPJ Kunnen - Journal of Turbulence, 2021 - Taylor & Francis
Rotating Rayleigh–Bénard convection is a simple model system used to study the interplay
of buoyant forcing and rotation. Many recent studies have focused on the geostrophic …

Heat transfer by rapidly rotating Rayleigh–Bénard convection

EM King, S Stellmach, JM Aurnou - Journal of Fluid Mechanics, 2012 - cambridge.org
Turbulent, rapidly rotating convection has been of interest for decades, yet there exists no
generally accepted scaling law for heat transfer behaviour in this system. Here, we develop …

The role of Stewartson and Ekman layers in turbulent rotating Rayleigh–Bénard convection

RPJ Kunnen, RJAM Stevens, J Overkamp… - Journal of fluid …, 2011 - cambridge.org
When the classical Rayleigh–Bénard (RB) system is rotated about its vertical axis roughly
three regimes can be identified. In regime I (weak rotation) the large-scale circulation (LSC) …

Suppression of wall modes in rapidly rotating Rayleigh-Bénard convection by narrow horizontal fins

L Terrien, B Favier, E Knobloch - Physical Review Letters, 2023 - APS
The heat transport by rapidly rotating Rayleigh-Bénard convection is of fundamental
importance to many geophysical flows. Laboratory measurements are impeded by robust …

Competition between Ekman plumes and vortex condensates in rapidly rotating thermal convection

AJ Aguirre Guzmán, M Madonia, JS Cheng… - Physical Review Letters, 2020 - APS
We perform direct numerical simulations of rotating Rayleigh-Bénard convection (RRBC) of
fluids with low (Pr= 0.1) and high (Pr≈ 5) Prandtl numbers in a horizontally periodic layer …