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AfterOne-fluid model presenting the essential physical phenomenology of superfluid helium and its description in terms of the two-fluid model we introduce a one-fluid extended model with \(\textbf{v}\) (barycentric velocity) and \(\textbf{q}\) (heat flux) instead of \(\textbf{v}_n\) and \(\textbf{v}_s\) (the velocities of the normal and of the superfluid components of the two-fluid model, respectively), as vectorial independent variables.

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The One-Fluid Extended Model of Superfluid Hydrodynamics: Concepts, Equations, and Applications

  • 章节

  • 发表日期：

    2025年

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  • Maria Stella Mongiovì,
  • David Jou,
  • Michele Sciacca

摘要

AfterOne-fluid model presenting the essential physical phenomenology of superfluid helium and its description in terms of the two-fluid model we introduce a one-fluid extended model with \(\textbf{v}\) (barycentric velocity) and \(\textbf{q}\) (heat flux) instead of \(\textbf{v}_n\) and \(\textbf{v}_s\) (the velocities of the normal and of the superfluid components of the two-fluid model, respectively), as vectorial independent variables.