Numerical studies of quantum turbulence
M Tsubota, K Fujimoto, S Yui - Journal of Low Temperature Physics, 2017 - Springer
We review numerical studies of quantum turbulence. Quantum turbulence is currently one of
the most important problems in low temperature physics and is actively studied for superfluid …
the most important problems in low temperature physics and is actively studied for superfluid …
Fully Coupled Two-Fluid Dynamics in Superfluid : Anomalous Anisotropic Velocity Fluctuations in Counterflow
We investigate the thermal counterflow of the superfluid He 4 by numerically simulating
three-dimensional fully coupled dynamics of the two fluids, namely quantized vortices and a …
three-dimensional fully coupled dynamics of the two fluids, namely quantized vortices and a …
[HTML][HTML] A new self-consistent approach of quantum turbulence in superfluid helium
We present the Fully cOUpled loCAl model of sUperfLuid Turbulence (FOUCAULT) that
describes the dynamics of finite temperature superfluids. The superfluid component is …
describes the dynamics of finite temperature superfluids. The superfluid component is …
Dissipation in quantum turbulence in superfluid above 1 K
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 …
K: in one there is a random tangle of quantized vortex lines, existing in the presence of a …
Three-Dimensional Coupled Dynamics of the Two-Fluid Model in Superfluid : Deformed Velocity Profile of Normal Fluid in Thermal Counterflow
S Yui, M Tsubota, H Kobayashi - Physical review letters, 2018 - APS
The coupled dynamics of the two-fluid model of superfluid He 4 is numerically studied for
quantum turbulence of the thermal counterflow in a square channel. We combine the vortex …
quantum turbulence of the thermal counterflow in a square channel. We combine the vortex …
Small-scale universality of particle dynamics in quantum turbulence
We show that, in turbulent two-fluid flows of superfluid He 4, the statistically described
dynamics of small particles suspended in the liquid does not depend on the type of imposed …
dynamics of small particles suspended in the liquid does not depend on the type of imposed …
Second-sound studies of coflow and counterflow of superfluid 4He in channels
E Varga, S Babuin, L Skrbek - Physics of fluids, 2015 - pubs.aip.org
We report a comprehensive study of turbulent superfluid 4 He flow through a channel of
square cross section. We study for the first time two distinct flow configurations with the same …
square cross section. We study for the first time two distinct flow configurations with the same …
Counterflow quantum turbulence of He-II in a square channel: Numerical analysis with nonuniform flows of the normal fluid
S Yui, M Tsubota - Physical Review B, 2015 - APS
We perform a numerical analysis of counterflow quantum turbulence of superfluid He 4 with
nonuniform flows by using the vortex filament model. In recent visualization experiments …
nonuniform flows by using the vortex filament model. In recent visualization experiments …
Particle dynamics in wall-bounded thermal counterflow of superfluid helium
M La Mantia - Physics of Fluids, 2017 - pubs.aip.org
The motions of relatively small particles in wall-bounded thermal counterflow of superfluid
helium are experimentally investigated, above 1 K, by using the particle tracking velocimetry …
helium are experimentally investigated, above 1 K, by using the particle tracking velocimetry …
Spherically symmetric formation of localized vortex tangle around a heat source in superfluid
We study the dynamical process of the vortex tangle development under a spherically
symmetric thermal counterflow around a heat source submerged into a bulk superfluid He 4 …
symmetric thermal counterflow around a heat source submerged into a bulk superfluid He 4 …