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Updated: May 22, 2025

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions
Published on: February 22, 2018
Onset of Intermittency and Multiscaling in Active Turbulence
Kolluru Venkata Kiran1, Kunal Kumar2, Anupam Gupta3
1Indian Institute of Science, Centre for Condensed Matter Theory, Department of Physics, Bengaluru 560012, India.
Abstract:
Recent results suggest that highly active, chaotic, nonequilibrium states of living fluids might share much in common with high Reynolds number, inertial turbulence. We now show, by using a hydrodynamical model, the onset of intermittency and the consequent multiscaling of Eulerian and Lagrangian structure functions as a function of the bacterial activity. Our results bridge the worlds of low and high Reynolds number flows as well as open up intriguing possibilities of what makes flows intermittent.
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