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physics.flu-dyn2026
A Reynolds-like Criterion for the Onset of Universal Active Turbulence
Kunal Kumar, Sandip Sahoo, Kirti Kashyap +4
Beyond a critical Toner--Tu drive, bacterial turbulence exhibits universal statistics, including a parameter-independent energy spectrum . We show that the same…
physics.flu-dyn2025★ 3 cited
Emergence of Local Ordering and Mesoscale Giant Number Fluctuations in Active Turbulence
Kirti Kashyap, Kolluru Venkata Kiran, Anupam Gupta
We study spatiotemporal chaos in two-dimensional dense active suspensions using a generalized hydrodynamic model. Increasing activity induces a structural transition marked by the…
physics.flu-dyn2015★ 10 cited
Depletion of Nonlinearity in Magnetohydrodynamic Turbulence: Insights from Analysis and Simulations
J. D. Gibbon, A. Gupta, G. Krstulovic +6
We build on recent developments in the study of fluid turbulence [Gibbon \textit{et al.} Nonlinearity 27, 2605 (2014)] to define suitably scaled, order- moments, , of…