Vortex dynamics in rotating counterflow and plane Couette and Poiseuille turbulence in superfluid helium

D. Jou, M. Sciacca, M. S. Mongiovì

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Abstract

An equation previously proposed to describe the evolution of vortex-line density in rotating counterflow turbulent tangles in superfluid helium is generalized to incorporate nonvanishing barycentric velocity and velocity gradients. Our generalization is compared with an analogous approach proposed by Lipniacki [Eur. J. Mech. B Fluids 25, 435 (2006)], and with experimental results by Swanson [Phys. Rev. Lett. 50, 190 (1983)] in rotating counterflow, and it is used to evaluate the vortex density in plane Couette and Poiseuille flows of superfluid helium. © 2008 The American Physical Society.
Original languageEnglish
Article number024524
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume78
DOIs
Publication statusPublished - 31 Jul 2008

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