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Superfluid turbulence driven by cylindrically symmetric thermal counterflow

Lookup NU author(s): Mx Em Rickinson, Professor Carlo Barenghi, Emeritus Professor Yuri Sergeev, Dr Andrew BaggaleyORCiD

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by American Physical Society, 2020.

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Abstract

We show by direct numerical simulations that the turbulence generated by steadily heating a long cylinder immersed in helium II is strongly inhomogeneous and consists of a dense turbulent layer of quantized vortices localized around the cylinder. We analyse the properties of this superfluid turbulence in terms of radial distribution of the vortex line density and the anisotropy and we compare these properties to the better known properties of homogeneous counterflow turbulence in channels.

Publication metadata

Author(s): Rickinson E, Barenghi CF, Sergeev YA, Baggaley AW

Publication type: Article

Publication status: Published

Journal: Physical Review B

Year: 2020

Volume: 101

Online publication date: 28/04/2020

Acceptance date: 08/04/2020

Date deposited: 15/04/2020

ISSN (print): 2469-9950

ISSN (electronic): 2469-9969

Publisher: American Physical Society

URL: https://doi.org/10.1103/PhysRevB.101.134519

DOI: 10.1103/PhysRevB.101.134519

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