Micromixers, 2nd Edition

Chapter 7. Active micromixers

Chapter Outline

7.1. Flow Instability in Microchannels239

7.2. Pressure-driven Disturbance240

7.2.1. Actuation concepts for pressure generation240

7.2.2. Hydrodynamic instability247

7.2.3. Pulsed source–sink chaotic advection249

7.2.4. Design examples252

7.3. Electrohydrodynamic Disturbance259

7.4. Dielectrophoretic Disturbance262

7.5. Electrokinetic Disturbance263

7.5.1. Instability caused by conductivity gradient264

7.5.2. Instability caused by variation of electric field267

7.5.3. Instability caused by variation of zeta potentials268

7.5.4. Design examples270

7.6. Magnetohydrodynamic Disturbance275

7.6.1. Straight channel configuration275

7.6.2. Curved-channel configuration276

7.6.3. Design examples281

7.7. Acoustic Disturbance ...