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Shell Models of Superfluid Turbulence

Lookup NU author(s): Dr Daniel Wacks, Professor Carlo Barenghi

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Abstract

Superfluid helium consists of two inter-penetrating fluids, a viscous normal fluid and an inviscid superfluid, coupled by a mutual friction. We develop a two-fluid shell model to study superfluid turbulence and investigate the energy spectra and the balance of fluxes between the two fluids in a steady state. At sufficiently low temperatures a 'bottle-neck' develops at high wavenumbers suggesting the need for a further dissipative effect, such as the Kelvin wave cascade.


Publication metadata

Author(s): Wacks DH, Barenghi CF

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 13th European Turbulence Conference: Reacting, Compressible, Multi-phase and Cryogenic Flows

Year of Conference: 2011

Pages: 092033

ISSN: 1742-6588

Publisher: IOS Publishing Ltd

URL: http://dx.doi.org/10.1088/1742-6596/318/9/092033

DOI: 10.1088/1742-6596/318/9/092033

Library holdings: Search Newcastle University Library for this item

Series Title: Journal of Physics Conference Series

ISBN:


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