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Lookup NU author(s): Dr George Stagg,
Dr Nick Parker,
Professor Carlo Barenghi
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© TU Delft. We numerically solve the three–dimensional, time–dependent Gross–Pitaevskii equation to model a superfluid flowing over a realistic rough boundary. Our model for the boundary is based on the atom–force microscope image of a NbTi vibrating wire used to generate turbulence in actual experiments. We find that near the boundary a dense region of quantum vortices is created, which forms a kind of ‘superfluid boundary layer’.
Author(s): Stagg GW, Parker NG, Barenghi CF
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Proceedings of the 15th European Turbulence Conference (ETC 2015)
Year of Conference: 2015
Online publication date: 26/08/2015
Acceptance date: 01/01/1900
Publisher: TU Delft