Giorgio Krstulovic
Giorgio Krstulovic
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Initial Evolution of Three-Dimensional Turbulence En Route to the Kolmogorov State: Emergence and Transformations of Coherent Structures, Self-Similarity, and Instabilities
In this work, we study numerically the temporal evolution of an initially random large-scale velocity field under governed by the …
Giorgio Krstulovic
,
Sergey Nazarenko
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DOI
Exploring the Equivalence between Two-Dimensional Classical and Quantum Turbulence through Velocity Circulation Statistics
We study the statistics of velocity circulation in two-dimensional classical and quantum turbulence. We perform numerical simulations …
Nicolás P. Müller
,
Giorgio Krstulovic
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Cross-Component Energy Transfer in Superfluid Helium-4
The reciprocal energy and enstrophy transfers between normal fluid and superfluid components dictate the overall dynamics of superfluid …
Piotr Z. Stasiak
,
Andrew W. Baggaley
,
Giorgio Krstulovic
,
Carlo F. Barenghi
,
Luca Galantucci
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Self-Similar Evolution of Wave Turbulence in Gross-Pitaevskii System
We study the universal nonstationary evolution of wave turbulence (WT) in Bose-Einstein condensates (BECs). Their temporal evolution …
Ying Zhu
,
Boris Semisalov
,
Giorgio Krstulovic
,
Sergey Nazarenko
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Kelvin waves, mutual friction, and fluctuations in the Gross-Pitaevskii model
In this work we first briefly review some of the mutual friction effects on vortex lines and rings that were obtained in the context of …
Giorgio Krstulovic
,
Marc Brachet
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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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Direct and Inverse Cascades in Turbulent Bose-Einstein Condensates
When a Bose-Einstein condensate (BEC) is driven out of equilibrium, density waves interact non-linearly and trigger the emergence of …
Ying Zhu
,
Boris Semisalov
,
Giorgio Krstulovic
,
Sergey Nazarenko
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Internal gravity waves in stratified flows with and without vortical modes
The comprehension of stratified flows is important for geophysical and astrophysical applications. The Weak Wave Turbulence theory aims …
Vincent Labarre
,
Pierre Augier
,
Giorgio Krstulovic
,
Sergey Nazarenko
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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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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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