The TRR 181 seminar is held by Marc Avila (head of ZARM) on
at the University of Bremen, MZH 4140 on Tuesday, February 22th at 10:00.
Fluid flows through pipes are ubiquitous in engineering because of their simplicity, but a theory for the emergence of turbulence in pipes has challenged generations of scientists and engineers. In this talk I will give a brief perspective of hydrodynamic stability and will show how complex dynamics emerges in pipe flow via simple solutions of the governing equations. The results reveal surprising similarities between transition in linearly stable and unstable flows and highlight the applicability of dynamical-system approaches to wide classes of flows. Open challenges and hopeless goals will be discussed.