Cascades and transitions in turbulent flows

A Alexakis, L Biferale - Physics Reports, 2018 - Elsevier
Turbulent flows are characterized by the non-linear cascades of energy and other inviscid
invariants across a huge range of scales, from where they are injected to where they are …

Vortex clustering, polarisation and circulation intermittency in classical and quantum turbulence

JI Polanco, NP Müller, G Krstulovic - Nature Communications, 2021 - nature.com
The understanding of turbulent flows is one of the biggest current challenges in physics, as
no first-principles theory exists to explain their observed spatio-temporal intermittency …

Rotating quantum wave turbulence

JT Mäkinen, S Autti, PJ Heikkinen, JJ Hosio… - Nature physics, 2023 - nature.com
Turbulence under strong influence of rotation is described as an ensemble of interacting
inertial waves across a wide range of length scales. In macroscopic quantum condensates …

Quantitative estimation of effective viscosity in quantum turbulence

V Shukla, PD Mininni, G Krstulovic, PC Di Leoni… - Physical Review A, 2019 - APS
We study freely decaying quantum turbulence by performing high-resolution numerical
simulations of the Gross-Pitaevskii equation (GPE) in the Taylor-Green geometry. We use …

Decay of counterflow turbulence in superfluid 4He

J Gao, W Guo, VS L'vov, A Pomyalov, L Skrbek… - JETP letters, 2016 - Springer
We summarize recent experiments on thermal counterflow turbulence in superfluid 4 He,
emphasizing the observation of turbulence in the normal fluid and its effect on the decay …

Dissipation in quantum turbulence in superfluid above 1 K

J Gao, W Guo, S Yui, M Tsubota, WF Vinen - Physical Review B, 2018 - APS
There are two commonly discussed forms of quantum turbulence in superfluid He 4 above 1
K: in one there is a random tangle of quantized vortex lines, existing in the presence of a …

Statistics of turbulence and intermittency enhancement in superfluid counterflow

S Bao, W Guo, VS L'vov, A Pomyalov - Physical Review B, 2018 - APS
We report a detailed analysis of the energy spectra, second-and high-order structure
functions of velocity differences in superfluid He 4 counterflow turbulence, measured in a …

Dissipation of Quasiclassical Turbulence in Superfluid

DE Zmeev, PM Walmsley, AI Golov, PVE McClintock… - Physical Review Letters, 2015 - APS
We compare the decay of turbulence in superfluid He 4 produced by a moving grid to the
decay of turbulence created by either impulsive spin-down to rest or by intense ion injection …

Dynamics of the density of quantized vortex lines in superfluid turbulence

D Khomenko, L Kondaurova, VS L'vov, P Mishra… - Physical Review B, 2015 - APS
The quantization of vortex lines in superfluids requires the introduction of their density L (r, t)
in the description of quantum turbulence. The space homogeneous balance equation for L …

Superfluid helium in three-dimensional counterflow differs strongly from classical flows: anisotropy on small scales

L Biferale, D Khomenko, V L'vov, A Pomyalov… - Physical review …, 2019 - APS
Three-dimensional anisotropic turbulence in classical fluids tends towards isotropy and
homogeneity with decreasing scales, allowing—eventually—the abstract model of …