A new perspective on pipe flow instability: not small perturbations, but energy thresholds for vortex formation may trigger turbulence in Hagen–Poiseuille flow.

🔗 https://pubs.aip.org/aip/pof/article-abstract/38/3/034102/3382025/Generalization-of-Landau-s-criterion-for-Hagen?redirectedFrom=fulltext

#FluidDynamics #FlowInstability #Turbulence #BoundaryLayer #Physics