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Transition from Ekman flow to Taylor vortex flow in superfluid helium

Barenghi, Carlo F.; Henderson, Karen

Transition from Ekman flow to Taylor vortex flow in superfluid helium Thumbnail


Authors

Carlo F. Barenghi



Abstract

By numerically computing the steady axisymmetric flow of helium II confined inside a finite-aspect-ratio Couette annulus, we determine the transition from Ekman flow to Taylor vortex flow as a function of temperature and aspect ratio. We find that the low-Reynolds-number flow is quite different to that of a classical fluid, particularly at lower temperatures. At high aspect ratio our results confirm the existing linear stability theory of the onset of Taylor vortices, which assumes infinitely long cylinders. © 2004 Cambridge University Press.

Journal Article Type Article
Publication Date Jun 10, 2004
Deposit Date Jan 22, 2010
Publicly Available Date Nov 15, 2016
Journal Journal of Fluid Mechanics
Print ISSN 0022-1120
Publisher Cambridge University Press (CUP)
Peer Reviewed Peer Reviewed
Volume 508
Issue 508
Pages 319-331
DOI https://doi.org/10.1017/S0022112004009206
Keywords Ekman flow, Taylor vortex, superfluid helium
Public URL https://uwe-repository.worktribe.com/output/1059761
Publisher URL http://dx.doi.org/10.1017/S0022112004009206
Contract Date Nov 15, 2016

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