Vortex Velocity in Turbulent He II Counterflow

Vortex Velocity in Turbulent He II Counterflow

The ion-vortex interaction has been used to measure the drift velocity of the vorticity present in turbulent counterflow, and find that it moves in the direction of normal-fluid flow. The result is in direct conflict with a central assumption of the presently accepted model of the turbulent state. (...

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Veröffentlicht in:Phys. Rev. Lett., v. 35, no. 25, pp. 1714-1717 v. 35, no. 25, pp. 1714-1717, 1975-12, Vol.35 (25), p.1714-1717
Hauptverfasser: Ashton, R. A., Northby, J. A.
Format: Artikel
Sprache:eng
Schlagworte:
640700
COUNTERFLOW SYSTEMS
HELIUM II- VORTEX FLOW
N62100 -Physics (Fluid)-Electrofluid Mechanics
SUPERFLUID MODEL
TURBULENCE
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Zusammenfassung:The ion-vortex interaction has been used to measure the drift velocity of the vorticity present in turbulent counterflow, and find that it moves in the direction of normal-fluid flow. The result is in direct conflict with a central assumption of the presently accepted model of the turbulent state. (AIP)
ISSN:0031-9007
DOI:10.1103/PhysRevLett.35.1714