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Superfluid helium between rotating cylinders

Lookup NU author(s): Professor Carlo Barenghi

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Abstract

We numerically solve the nonlinear two-fluid Hall-Vinen-Bekharevich-Khalatnikov equations for superfluid helium II confined inside a small aspect ratio Couette annulus. This simple flow configuration allows us to study how the vortex lines respond to a shear in the presence of boundaries. We find that the tension of the vortex lines forces the superfluid to move in a way which is very different from the motion of a classical fluid. We have considered rotation of the inner cylinder only and find that there is a higher density of vortex lines close to the inner cylinder than at the stationary outer cylinder.


Publication metadata

Author(s): Henderson KL, Barenghi CF

Publication type: Article

Publication status: Published

Journal: Journal of Low Temperature Physics

Year: 1998

Volume: 113

Issue: 3-4

Pages: 555-560

Print publication date: 01/01/1998

ISSN (print): 0022-2291

ISSN (electronic): 1573-7357

Publisher: Springer

URL: http://dx.doi.org/10.1023/A:1022580918583

DOI: 10.1023/A:1022580918583


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