The two-fluid extended model of superfluid helium

Authors

  • Luca Galantucci Joint Quantum Centre (JQC) Durham–Newcastle and School of Mathematics and Statistics Newcastle University, Newcastle upon Tyne NE1 7RU
  • Michele Sciacca Università degli Studi di Palermo, Dipartimento di Scienze Agrarie e Forestali, Viale delle Scienze, 90128 Palermo
  • David Jou Universitat Autònoma de Barcelona, Departament de Fìsica, Bellaterra, Catalonia

DOI:

https://doi.org/10.1478/AAPP.97S2A4

Keywords:

Quantum turbulence, Two fluid model, Extended Thermodynamics, Superfluid helium, Counterflow

Abstract

In this paper we perform the first numerical comparison between the two main existing models of superfluid helium: the two-fluid model proposed by Landau and the one-fluid extended model proposed from the extended thermodynamics. The numerical experiments in this paper regard the profiles of the so-called normal and superfluid components in 2D counterflow turbulence.

Downloads

Published

2019-12-20

Issue

Vol 97, SUPPL NO 2 (2019): NACS 2017

Section

NACS 2017 (Conference Proceedings)

License

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Authors who publish with this journal agree to the following terms:
  • Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
  • Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
  • Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).