Giorgio Krstulovic
Giorgio Krstulovic
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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 …
Juan Ignacio Polanco
,
Nicolás P. Müller
,
Giorgio Krstulovic
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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 …
O. Outrata
,
M. Pavelka
,
J. Hron
,
Marco La Mantia
,
Juan Ignacio Polanco
,
Giorgio Krstulovic
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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 …
Nicolás P. Müller
,
Juan Ignacio Polanco
,
Giorgio Krstulovic
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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 …
Umberto Giuriato
,
Giorgio Krstulovic
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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 …
Juan Ignacio Polanco
,
Giorgio Krstulovic
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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.
Nicolás P. Müller
,
Giorgio Krstulovic
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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 …
Alberto Villois
,
Davide Proment
,
Giorgio Krstulovic
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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 …
Davide Proment
,
Giorgio Krstulovic
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Supplemental
Quantum vortex reconnections mediated by trapped particles
Reconnections between quantum vortex filaments in presence of trapped particles are investigated using numerical simulations of the …
Umberto Giuriato
,
Giorgio Krstulovic
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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 …
Luca Galantucci
,
Andrew W. Baggaley
,
Carlo F. Barenghi
,
Giorgio Krstulovic
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