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Vortex clustering, polarisation and circulation intermittency in classical and quantum turbulence
The understanding of turbulent flows is one of the biggest current challenges in physics, as no first-principles theory exists to …
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Vortex clustering, polarisation and circulation intermittency in classical and quantum turbulence
On the Determination of Vortex Ring Vorticity Using Lagrangian Particles
Particles are a widespread tool for obtaining information from fluid flows. When Eulerian data are unavailable, they may be employed to …
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On the Determination of Vortex Ring Vorticity Using Lagrangian Particles
Intermittency of Velocity Circulation in Quantum Turbulence
The velocity circulation, a measure of the rotation of a fluid within a closed path, is a fundamental observable in classical and …
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Intermittency of Velocity Circulation in Quantum Turbulence
Stochastic Motion of Finite-Size Immiscible Impurities in a Dilute Quantum Fluid at Finite Temperature
In this work we aim at studying numerically the dynamics of an immiscible and finite-size impurity in a quantum fluid at finite …
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Stochastic Motion of Finite-Size Immiscible Impurities in a Dilute Quantum Fluid at Finite Temperature
Counterflow-Induced Inverse Energy Cascade in Three-Dimensional Superfluid Turbulence
Finite-temperature quantum turbulence is often described in terms of two immiscible fluids that can flow with a nonzero-mean relative …
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Counterflow-Induced Inverse Energy Cascade in Three-Dimensional Superfluid Turbulence
Kolmogorov and Kelvin Wave Cascades in a Generalized Model for Quantum Turbulence
The three-dimensional visualisation above shows a close up of the initial condition used in this work. The red low-density isosurface correspond to quantum vortex lines whereas the greenish rendering are density fluctuations about the bulk value.
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Kolmogorov and Kelvin Wave Cascades in a Generalized Model for Quantum Turbulence
Irreversible Dynamics of Vortex Reconnections in Quantum Fluids
We statistically study vortex reconnections in quantum fluids by evolving different realizations of vortex Hopf links using the …
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Irreversible Dynamics of Vortex Reconnections in Quantum Fluids
Matching Theory to Characterize Sound Emission during Vortex Reconnection in Quantum Fluids
In a concurrent work, Villois et al. [Phys. Rev. Lett. 125, 164501 (2020)] reported the evidence that vortex reconnections in quantum …
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Matching Theory to Characterize Sound Emission during Vortex Reconnection in Quantum Fluids
Quantum vortex reconnections mediated by trapped particles
Reconnections between quantum vortex filaments in presence of trapped particles are investigated using numerical simulations of the …
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Quantum vortex reconnections mediated by trapped particles
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 …
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A new self-consistent approach of quantum turbulence in superfluid helium