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Large-scale instabilities of helical flows

2016/05/10 by Alexandre Cameron, Alexandros Alexakis, Marc Brächet +1
Engineering · Physics and Astronomy · #Classical mechanics #Floquet theory #Fluid Dynamics and Turbulent Flows #Fluid Dynamics and Vibration Analysis #Geology #Mechanics #Physics #Reynolds number #Scale (ratio) #Scale effects #Solar and Space Plasma Dynamics #Statistical physics #Turbulence #physics.flu-dyn

paper · pdf · doi:10.1103/physrevfluids.1.063601

published as Phys. Rev. Fluids 1, 063601 (2016) · 13 pages, 25 figures

arxiv created 2016/05/10 · openalex publication_date 2016/10/03 · arxiv updated 2016/10/12 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

3D turbulence leads to the formation of small-scale structures. For moderate Reynolds number, helically forced flows are shown to generate large-scale instabilities. These large-scale instabilities are quantified with a new numeric model using Floquet theory.

Citations