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physics.flu-dyn2025
Helicity controls the direction of fluxes in rotating turbulence
Sébastien Gomé, Anna Frishman
Turbulence sustains out-of-equilibrium energy fluxes shaped by conservation laws. Three-dimensional flows conserve energy and sign-indefinite helicity, both being transferred to sm…
physics.flu-dyn2025
Waves maintain large-scale 2D flows in rotating turbulence and cause their demise
Sébastien Gomé, Anna Frishman
Turbulence follows a few well-known organizational principles, rooted in conservation laws. One such principle states that a system conserving two sign-definite invariants self-org…
physics.flu-dyn2025
Self-Replication of Turbulent Puffs: On the edge between chaotic saddles
Anton Svirsky, Tobias Grafke, Anna Frishman
Pipe flow is a canonical example where turbulence first appears intermittently in space and time, taking the form of localized structures termed puffs. Turbulence spreads via puff…