Giorgio Krstulovic
Giorgio Krstulovic
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ANR-GIANTE
Friction-Enhanced Lifetime of Bundled Quantum Vortices
We show that a toroidal bundle of quantized vortex rings in superfluid helium generates a large-scale wake in the normal fluid which …
Luca Galantucci
,
Giorgio Krstulovic
,
Carlo F. Barenghi
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DOI
Stokes drift and impurity transport in a quantum fluid
Stokes drift is a classical fluid effect in which travelling waves transfer momentum to tracers of the fluid, resulting in a non-zero …
Umberto Giuriato
,
Giorgio Krstulovic
,
Miguel Onorato
,
Davide Proment
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Velocity Circulation Intermittency in Finite-Temperature Turbulent Superfluid Helium
We study intermittency of circulation moments in turbulent superfluid helium by using experimental grid turbulence and numerical …
Nicolás P. Müller
,
Yuan Tang
,
Wei Guo
,
Giorgio Krstulovic
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DOI
Energy Spectrum of Two-Dimensional Acoustic Turbulence
We report an exact unique constant-flux power-law analytical solution of the wave kinetic equation for the turbulent energy spectrum, …
Adam Griffin
,
Giorgio Krstulovic
,
Victor S. L’vov
,
Sergey Nazarenko
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Supplemental
Comment on ''Theoretical analysis of quantum turbulence using the Onsager ideal turbulence theory''
In a recent paper [T. Tanogami Phys. Rev. E 103, 023106 ] proposes a scenario for quantum turbulence where the energy spectrum at …
Giorgio Krstulovic
,
Victor L'vov
,
Sergey Nazarenko
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DOI
Critical Velocity for Vortex Nucleation and Roton Emission in a Generalized Model for Superfluids
We study numerically the process of vortex nucleation at the wake of a moving object in superfluids using a generalized and non-local …
Nicolás P. Müller
,
Giorgio Krstulovic
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DOI
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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DOI
Master Internships Available
The figure above shows different numerical simulations of superfluids and particles which have been performed by members of the team. Left: A particle (in green) trapped by a quantum vortex (in red) simulated by the Gross-Pitaevskii model.
Dec 6, 2021
1 min read
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Project
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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DOI
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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