Speaker: Professor Sriram Ramaswamy (Indian Institute of Science)
Date: 5th Jun 2024 - 16:00 to 17:00
Venue: INI Seminar Room 1
Title: Rothschild Public Lecture: Inertia, Turbulence and the Concentration Field in Active Fluids
Event: (ADI) Anti-diffusive dynamics: from sub-cellular to astrophysical scales
Abstract: The spectacular phenomena displayed by fluids of self-driven particles arise through the interplay of broken time-reversal symmetry with conservation laws of matter and total momentum. I will open with the transition from order to active turbulence, the end-state of the instability of aligned states of orientable motile particles, with an inertial rather than a viscous perspective. I will discuss two simplifying limits – a one-component active fluid, and a densely packed suspension – in which the active-particle concentration does not appear explicitly. I will then turn to the interaction of hydrodynamic flow and particle currents in varied settings: an obstacle in a dilute suspension, as well as phenomena in denser systems. At each stage I will highlight fundamental theoretical issues.
🔗 Watch Professor Sriram Ramaswamy's interview here: https://youtu.be/te7YaUnxpZ8?si=CJyfPtR2FCzWKyxc
🔗 Find out more about the ADI Programme here: https://www.newton.ac.uk/event/adi/
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