Non-equilibrium thermodynamics analysis of rotating counterflow superfluidturbulence

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3 Citazioni (Scopus)

Abstract

In two previous papers, two evolution equations for the vortex line density L, proposedby Vinen, were generalized to rotating superfluid turbulence and compared with eachother. Here, the already generalized alternative Vinen equation is extended to the case inwhich counterflow and rotation are not collinear. Then, the obtained equation is consideredfrom the viewpoint of non-equilibrium thermodynamics. According to this formalism, thecompatibility between the evolution equation for L and the one for the velocity of thesuperfluid component is studied. The compatibility condition requires the presence of anew term dependent on the anisotropy of the tangle, which indicates how the friction forcedepends on the rotation rate.
Lingua originaleEnglish
pagine (da-a)91-99
Numero di pagine9
RivistaMathematical and Computer Modelling
Volume2010-01
Stato di pubblicazionePublished - 2010

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All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Computer Science Applications

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