Vortex diffusion in superfluid turbulence: Hysteresis and decay

Maria Stella Mongiovì, Lidia Saluto, David Jou

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Abstract

© 2019 by the author(s); In this paper we consider the effects of vortex diffusion in two paradigmatic inhomogeneous physical situations; radial heat flow between two concentric cylinders, and vortex decay in a finite cylindrical container. Diffusion effects may strongly modify the expected results for the vortex length density L as a function of the heat flux q, leading also to dynamical unexpected features, relating L to time in decay, or to hysteresis behaviour of L for increasing/decreasing heat flux.
Original languageEnglish
Article numberA17
JournalAAPP Atti della Accademia Peloritana dei Pericolanti, Classe di Scienze Fisiche, Matematiche e Naturali
Volume97
DOIs
Publication statusPublished - 1 Jan 2019

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