Mixing in Microchannels

This lecture covers the concept of mixing in microchannels, focusing on flow regimes, mixing by diffusion, laminar mixing in a shear field, and the energetic efficiency of mixing. It discusses the mechanisms of stretching, rotation, and engulfment, as well as the prediction of mixing time and the effect of specific power dissipation. The instructor explains the challenges of achieving efficient mixing in microstructures due to factors like flow field mismatch and perpendicular lamellae. The lecture concludes with a discussion on the energetic efficiency of mixing and predictions based on different efficiencies.