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Lookup NU author(s): Professor Carlo Barenghi
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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.
Author(s): Henderson KL, Barenghi CF
Publication type: Article
Publication status: Published
Journal: Journal of Low Temperature Physics
Print publication date: 01/01/1998
ISSN (print): 0022-2291
ISSN (electronic): 1573-7357
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