New perspectives in turbulent Rayleigh-Bénard convection

F Chillà, J Schumacher - The European Physical Journal E, 2012 - Springer
Recent experimental, numerical and theoretical advances in turbulent Rayleigh-Bénard
convection are presented. Particular emphasis is given to the physics and structure of the …

Colloquium: Unusual dynamics of convection in the Sun

J Schumacher, KR Sreenivasan - Reviews of Modern Physics, 2020 - APS
The Sun is our nearest star; it is also the most important star that determines life on Earth. A
large variety of phenomena observed on the Sun's surface, with potential impact on Earth, is …

Enforcing statistical constraints in generative adversarial networks for modeling chaotic dynamical systems

JL Wu, K Kashinath, A Albert, D Chirila, H **ao - Journal of Computational …, 2020 - Elsevier
Simulating complex physical systems often involves solving partial differential equations
(PDEs) with some closures due to the presence of multi-scale physics that cannot be fully …

[BOOK][B] Physics of buoyant flows: from instabilities to turbulence

MK Verma - 2018 - World Scientific
Hydrodynamic flows exhibit turbulent behaviour which is not well understood till date. When
a fluid is in a gravitational field, the flow becomes even more complex due to the gravity …

Phenomenology of buoyancy-driven turbulence: recent results

MK Verma, A Kumar, A Pandey - New Journal of Physics, 2017 - iopscience.iop.org
In this paper, we describe the recent developments in thefield of buoyancy-driven turbulence
with a focus on energy spectrum andflux. Scaling and numerical arguments show that the …

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 …

Flow reversals in turbulent convection via vortex reconnections

M Chandra, MK Verma - Physical review letters, 2013 - APS
We employ detailed numerical simulations to probe the mechanism of flow reversals in two-
dimensional turbulent convection. We show that the reversals occur via a vortex …

Long-time experimental investigation of turbulent superstructures in Rayleigh–Bénard convection by noninvasive simultaneous measurements of temperature and …

S Moller, C Resagk, C Cierpka - Experiments in Fluids, 2021 - Springer
Large-scale mean patterns in Rayleigh–Bénard convection, also referred to as turbulent
superstructures, have mainly been studied by means of numerical simulations so far, but …

Flow reversals in two-dimensional thermal convection in tilted cells

Q Wang, SN **a, BF Wang, DJ Sun, Q Zhou… - Journal of Fluid …, 2018 - cambridge.org
Flow reversals in two-dimensional thermal convection in tilted cells Page 1 J. Fluid Mech. (2018),
vol. 849, pp. 355–372. c Cambridge University Press 2018 doi:10.1017/jfm.2018.451 355 Flow …

Dynamics and symmetries of flow reversals in turbulent convection

M Chandra, MK Verma - Physical Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
Based on direct numerical simulations and symmetry arguments, we show that the large-
scale Fourier modes are useful tools to describe the flow structures and dynamics of flow …