turbulence$85758$ - translation to greek
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turbulence$85758$ - translation to greek

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

turbulence      
n. ταραχή, βιαιότητα

Definition

turbulent
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.

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.