The flow in a bent pipe, and curvature 0.1. From left to right: Near-wall structures evinced by negative lambda_2, wall-shear stress and Lagrangian particles. Ref: Noorani at al., Int J. Heat Fluid Flow 2013, and Noorani et al., J. Fluid Mech., submitted 2015.
Snapshot of the turbulent diffuser flow at showing the complex chaotic and turbulent flow. Light gray: separated flow, dark gray: attached flow. Ref: Malm et al. J. Fluid Mech. 2012.