Rotating convective turbulence in Earth and planetary cores

JM Aurnou, MA Calkins, JS Cheng, K Julien… - Physics of the Earth and …, 2015 - Elsevier
An accurate description of turbulent core convection is necessary in order to build robust
models of planetary core processes. Towards this end, we focus here on the physics of …

Scaling laws in Rayleigh‐Bénard convection

M Plumley, K Julien - Earth and Space Science, 2019 - Wiley Online Library
The heat transfer scaling theories for Rayleigh‐Bénard convection (RBC) are reviewed and
discussed for configurations with and without rotation and magnetic fields. Scaling laws are …

Turbulent superstructures in Rayleigh-Bénard convection

A Pandey, JD Scheel, J Schumacher - Nature communications, 2018 - nature.com
Turbulent Rayleigh-Bénard convection displays a large-scale order in the form of rolls and
cells on lengths larger than the layer height once the fluctuations of temperature and velocity …

Statistical and physical balances in low Rossby number Rayleigh–Bénard convection

K Julien, AM Rubio, I Grooms… - … & Astrophysical Fluid …, 2012 - Taylor & Francis
Rapidly rotating Rayleigh–Bénard convection is studied using an asymptotically reduced
equation set valid in the limit of low Rossby numbers. Four distinct dynamical regimes are …

The effects of Ekman pum** on quasi-geostrophic Rayleigh–Bénard convection

M Plumley, K Julien, P Marti… - Journal of Fluid …, 2016 - cambridge.org
Numerical simulations of three-dimensional rapidly rotating Rayleigh–Bénard convection
are performed by employing an asymptotic quasi-geostrophic model that incorporates the …

Heat transport and flow structure in rotating Rayleigh–Bénard convection

RJAM Stevens, HJH Clercx, D Lohse - European Journal of Mechanics-B …, 2013 - Elsevier
Here we summarize the results from our direct numerical simulations (DNS) and
experimental measurements on rotating Rayleigh–Bénard (RB) convection. Our …

Critical balance in magnetohydrodynamic, rotating and stratified turbulence: towards a universal scaling conjecture

SV Nazarenko, AA Schekochihin - Journal of Fluid Mechanics, 2011 - cambridge.org
It is proposed that critical balance–a scale-by-scale balance between the linear propagation
and nonlinear interaction time scales–can be used as a universal scaling conjecture for …

A nonlinear model for rotationally constrained convection with Ekman pum**

K Julien, JM Aurnou, MA Calkins… - Journal of Fluid …, 2016 - cambridge.org
A reduced model is developed for low-Rossby-number convection in a plane layer geometry
with no-slip upper and lower boundaries held at fixed temperatures. A complete description …

Experimental pub crawl from Rayleigh–Bénard to magnetostrophic convection

AM Grannan, JS Cheng, A Aggarwal… - Journal of Fluid …, 2022 - cambridge.org
The interplay between convective, rotational and magnetic forces defines the dynamics
within the electrically conducting regions of planets and stars. Yet their triadic effects are …

Fixed-flux Rayleigh–Bénard convection in doubly periodic domains: generation of large-scale shear

C Liu, M Sharma, K Julien, E Knobloch - Journal of Fluid Mechanics, 2024 - cambridge.org
This work studies two-dimensional fixed-flux Rayleigh–Bénard convection with periodic
boundary conditions in both horizontal and vertical directions and analyses its dynamics …