High and Low Reynolds Number Turbulence - Scaling, Universality, and Spottiness

Explore a comprehensive seminar presentation by Professor Samriddhi Sankar Ray from the International Centre for Theoretical Sciences, examining the fascinating distinctions between high and low Reynolds number turbulence. Delve into the complex world of active turbulence in bacterial suspensions and its relationship to classical turbulence, focusing on scale-invariance, intermittency, and maximally chaotic states. Learn how these phenomena influence anomalous diffusion in bacterial systems and discover the critical activity threshold that leads to universal physics in bacterial flows. Investigate the connection between these universal states and efficient Levy-walk mediated foraging strategies. Examine the multifractal nature of high Reynolds number turbulence and understand new perspectives on flow singularity through local multifractality measures, challenging traditional views of uniformly multifractal fully developed turbulence.