turbulence$85758$ - definizione. Che cos'è turbulence$85758$
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Cosa (chi) è turbulence$85758$ - definizione

Superfluid turbulence; Quantum Turbulence
  • s2cid=31414715}}</ref>
  • Kolmogorov length scale]], the point at which the turbulent kinetic energy is dissipated into heat.
  • Fig 10. Schematic diagram of the energy spectrum for vinen turbulence. A <math>k^{-1}</math> regime can be observed for very large wavenumbers, with the peak of the energy spectrum occurring at the wavenumber <math>k_{\ell}</math> associated to the quantum length scale <math>\ell</math>. The green line represents a <math>k^{-5/3}</math> regime for comparison.
  • Fig 5. Schematic of vortex reconnection of two vortices. The arrows on the vortices represent the direction of the vorticity in the vortex line. Left: Before the reconnection. Middle: The vortex reconnection is taking place. Right: after the reconnection.
  • Fig 9b. Numerically simulated vortex tangle representing vinen quantum turbulence. The thin lines represent vortex lines inside of a cubic container. The colorbar<ref name=":3" /><ref name=":4" /> represents the amount of non-local interaction, i.e. the amount by how much a section of the vortex line is affected by the other vortex lines surrounding it. (Credit AW Baggaley)
  • s2cid=118650626}}</ref> represents the amount of non-local interaction, i.e. the amount by how much a section of the vortex line is affected by the other vortex lines surrounding it. (Credit AW Baggaley)
  • Fig 11. A simulated vortex tangle representing quantum turbulence in a cubic volume and showing the quantized vortices

turbulent         
  • tip vortex]] from an [[airplane]] wing passing through coloured smoke
  • laser-induced fluorescence]]. The jet exhibits a wide range of length scales, an important characteristic of turbulent flows.
  • The plume from this candle flame goes from laminar to turbulent. The Reynolds number can be used to predict where this transition will take place
  • Laminar]] and turbulent water flow over the hull of a submarine. As the relative velocity of the water increases turbulence occurs.
MOTION CHARACTERIZED BY CHAOTIC CHANGES IN PRESSURE AND FLOW VELOCITY
Turbulent flow; Turbulent; Fluid turbulence; Atmospheric turbulence; Turbulent fluids; Turbulent fluid; Turbulent Flow; Turbulent force; Turbulent forces; Turbulance; Kolmogorov's theory of 1941; Turbulent diffusivity
a.
1.
Disturbed, agitated, tumultuous, wild.
2.
Tumultuous, disorderly, blustering, obstreperous, boisterous, uproarious, blatant, brawling, vociferous.
3.
Riotous, seditious, mutinous, insubordinate, refractory, insurgent, rebellious, revolutionary, factious, disorderly, wild, violent.
4.
Producing commotion.
turbulence         
  • tip vortex]] from an [[airplane]] wing passing through coloured smoke
  • laser-induced fluorescence]]. The jet exhibits a wide range of length scales, an important characteristic of turbulent flows.
  • The plume from this candle flame goes from laminar to turbulent. The Reynolds number can be used to predict where this transition will take place
  • Laminar]] and turbulent water flow over the hull of a submarine. As the relative velocity of the water increases turbulence occurs.
MOTION CHARACTERIZED BY CHAOTIC CHANGES IN PRESSURE AND FLOW VELOCITY
Turbulent flow; Turbulent; Fluid turbulence; Atmospheric turbulence; Turbulent fluids; Turbulent fluid; Turbulent Flow; Turbulent force; Turbulent forces; Turbulance; Kolmogorov's theory of 1941; Turbulent diffusivity
n. clear-air turbulence
turbulent         
  • tip vortex]] from an [[airplane]] wing passing through coloured smoke
  • laser-induced fluorescence]]. The jet exhibits a wide range of length scales, an important characteristic of turbulent flows.
  • The plume from this candle flame goes from laminar to turbulent. The Reynolds number can be used to predict where this transition will take place
  • Laminar]] and turbulent water flow over the hull of a submarine. As the relative velocity of the water increases turbulence occurs.
MOTION CHARACTERIZED BY CHAOTIC CHANGES IN PRESSURE AND FLOW VELOCITY
Turbulent flow; Turbulent; Fluid turbulence; Atmospheric turbulence; Turbulent fluids; Turbulent fluid; Turbulent Flow; Turbulent force; Turbulent forces; Turbulance; Kolmogorov's theory of 1941; Turbulent diffusivity
1.
A turbulent time, place, or relationship is one in which there is a lot of change, confusion, and disorder.
They had been together for five or six turbulent years of rows and reconciliations...
ADJ: usu ADJ n
2.
Turbulent water or air contains strong currents which change direction suddenly.
I had to have a boat that could handle turbulent seas.
ADJ: usu ADJ n

Wikipedia

Quantum turbulence

Quantum turbulence is the name given to the turbulent flow – the chaotic motion of a fluid at high flow rates – of quantum fluids, such as superfluids. The idea that a form of turbulence might be possible in a superfluid via the quantized vortex lines was first suggested by Richard Feynman. The dynamics of quantum fluids are governed by quantum mechanics, rather than classical physics which govern classical (ordinary) fluids. Some examples of quantum fluids include superfluid helium (4He and Cooper pairs of 3He), Bose–Einstein condensates (BECs), polariton condensates, and nuclear pasta theorized to exist inside neutron stars. Quantum fluids exist at temperatures below the critical temperature T c {\displaystyle T_{c}} at which Bose-Einstein condensation takes place.