Abstract
Our concern is the turbulent flow of Helium II - the quantum phase of liquid Helium. Turbulence in Helium II manifests itself as a disordered system of superfluid vortex lines, called the vortex tangle. The vortex tangle is an interesting state of disorder of matter near absolute zero. It is a form of turbulence which, in principle, is simpler than classical turbulence, because the eddies (the vortex lines) have all the same strength - the circulation around each vortex filament is quantised. But the study of the vortex tangle is also motivated by practical applications of cryogenics engineering: for example liquid Helium is used to cool superconducting magnets in high energy physics and infrared detectors in astrophysics, and the vortex tangle limits liquid Helium’s heat transfer properties in a significant way.KeywordsHeat FluxLiquid HeliumVortex LineCritical Heat FluxNormal FluidThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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