Carlo F. Barenghi
Transition from Ekman flow to Taylor vortex flow in superfluid helium
Barenghi, Carlo F.; Henderson, Karen
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.
Citation
Barenghi, C. F., & Henderson, K. (2004). Transition from Ekman flow to Taylor vortex flow in superfluid helium. Journal of Fluid Mechanics, 508(508), 319-331. https://doi.org/10.1017/S0022112004009206
Journal Article Type | Article |
---|---|
Publication Date | Jun 10, 2004 |
Deposit Date | Jan 22, 2010 |
Publicly Available Date | Mar 29, 2024 |
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 |
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