Scaling laws for the energy transfer in space plasma turbulence

R Marino, L Sorriso-Valvo - Physics Reports, 2023 - Elsevier
One characteristic trait of space plasmas is the multi-scale dynamics resulting from non-
linear transfers and conversions of various forms of energy. Routinely evidenced in a range …

Scaling of acceleration statistics in high Reynolds number turbulence

D Buaria, KR Sreenivasan - Physical Review Letters, 2022 - APS
The scaling of acceleration statistics in turbulence is examined by combining data from the
literature with new data from well-resolved direct numerical simulations of isotropic …

Lagrangian acceleration and its Eulerian decompositions in fully developed turbulence

D Buaria, KR Sreenivasan - Physical Review Fluids, 2023 - APS
We study the properties of various Eulerian contributions to fluid particle acceleration by
using well-resolved direct numerical simulations of isotropic turbulence, with the Taylor …

Lagrangian irreversibility and energy exchanges in rotating-stratified turbulent flows

S Gallon, A Sozza, F Feraco, R Marino, A Pumir - Physical Review Letters, 2024 - APS
Turbulence in stratified and rotating turbulent flows is characterized by an interplay between
waves and eddies, resulting in continuous exchanges between potential and kinetic energy …

Connecting large-scale velocity and temperature bursts with small-scale intermittency in stratified turbulence

F Feraco, R Marino, L Primavera, A Pumir… - Europhysics …, 2021 - iopscience.iop.org
Non-Gaussian statistics of large-scale fields are routinely observed in data from atmospheric
and oceanic campaigns and global models. Recent direct numerical simulations (DNSs) …

Bolgiano-Obukhov spectrum and mixing efficiency in stably stratified turbulence

S Alam, MK Verma, P Joshi - Physical Review E, 2023 - APS
In this paper, using a shell model, we simulate highly turbulent stably stratified flow for weak
to moderate stratification at unitary Prandtl number. We investigate the energy spectra and …

Multiparticle Lagrangian statistics in homogeneous rotating turbulence

JI Polanco, S Arun, A Naso - Physical Review Fluids, 2023 - APS
Geophysical flows are often turbulent and subject to rotation. This rotation modifies the
structure of turbulence and is thereby expected to sensibly affect its Lagrangian properties …

From waves to convection and back again: The phase space of stably stratified turbulence

NE Sujovolsky, PD Mininni - Physical Review Fluids, 2020 - APS
We show that the phase space of stratified turbulence mainly consists of two slow invariant
manifolds with rich physics, embedded on a larger basin with fast evolution. A local invariant …

Scalar mixing in homogeneous isotropic turbulence: A numerical study

M Orsi, L Soulhac, F Feraco, M Marro, D Rosenberg… - Physical Review …, 2021 - APS
The understanding of the mechanics of turbulent dispersion is of primary importance in
estimating the effects of mixing processes involved in a variety of events playing a significant …

Evaluation of subgrid-scale models in decaying rotating stratified turbulence

K Jadhav, R Agrawal, AJ Chandy - Journal of Turbulence, 2024 - Taylor & Francis
The results of large eddy simulation (LES) using four sub-grid scale (SGS) models, namely:
constant coefficient Smagorinsky (CS), dynamic Smagorinsky (DS), a dynamic Clark (DC) …