Magnetostrophic balance as the optimal state for turbulent magnetoconvection

EM King, JM Aurnou - … of the National Academy of Sciences, 2015 - National Acad Sciences
The magnetic fields of Earth and other planets are generated by turbulent convection in the
vast oceans of liquid metal within them. Although direct observation is not possible, this …

Transitions near the onset of low Prandtl-number rotating convection in presence of horizontal magnetic field

M Ghosh, P Ghosh, Y Nandukumar, P Pal - Physics of Fluids, 2020 - pubs.aip.org
We investigate the transitions near the onset of thermal convection in electrically conducting
low Prandtl-number (Pr) fluids in the presence of rotation about a vertical axis and external …

A model for Rayleigh-Bénard magnetoconvection

A Basak, K Kumar - The European Physical Journal B, 2015 - Springer
A model for three-dimensional Rayleigh-Bénard convection in low-Prandtl-number fluids
near onset with rigid horizontal boundaries in the presence of a uniform vertical magnetic …

Zero Prandtl-number rotating magnetoconvection

M Ghosh, P Pal - Physics of Fluids, 2017 - pubs.aip.org
We investigate instabilities and chaos near the onset of Rayleigh-Bénard convection of
electrically conducting fluids with free-slip, perfectly electrically and thermally conducting …

Transitions near the onset of stationary rotating magnetoconvection: role of magnetic Prandtl number

S Sarkar, S Mandal, P Pal - arXiv preprint arXiv:2404.08481, 2024 - arxiv.org
We investigate the instabilities and associated bifurcation structure near the onset of rotating
magnetoconvection of low Prandtl number fluids by performing three dimensional direct …

Transitions near the onset of rotating magnetoconvection

M Ghosh, P Pal - International Journal of Heat and Mass Transfer, 2020 - Elsevier
We investigate the bifurcation structure and associated flow dynamics near the onset of
rotating magnetoconvection of electrically conducting fluids under rectangular Rayleigh …

Transitions near the onset of low Prandtl-number rotating magnetoconvection

M Ghosh, P Ghosh, Y Nandukumar, P Pal - arXiv preprint arXiv …, 2018 - arxiv.org
We investigate the onset of convective instability and subsequent transitions near it in
Rayleigh-B\'enard convection (RBC) of electrically conducting low Prandtl-number (Pr) fluids …