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Stable superfluid vortex filament structures in laminar boundary layer flow of helium II

Lookup NU author(s): Simon Godfrey, Dr David Samuels

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Abstract

We show that in laminar boundary layer flow of superfluid helium II, with the normal fluid having a Blasius profile and the superfluid a constant velocity profile, that there can exist superfluid vortex filament configurations that have a steady shape and do not dissipate even at nonzero temperatures. We describe the parameter ranges within which these vortex structures are stable. The vortex structures transfer the kinetic energy of the normal fluid away from the boundary, and thus may cause instability in the normal fluid boundary layer. ©2000 The American Physical Society.

Publication metadata

Author(s): Godfrey SP, Samuels DC

Publication type: Article

Publication status: Published

Journal: Physical Review B - Condensed Matter and Materials Physics

Year: 2000

Volume: 61

Issue: 6

Pages: 4190-4195

ISSN (print): 1098-0121

ISSN (electronic): 1550-235X

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevB.61.4190

DOI: 10.1103/PhysRevB.61.4190

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