Particle entrapment as a feedback effect
arXiv:0707.3283 · doi:10.1088/1367-2630/10/6/063030
Abstract
We consider a suspension of polarizable particles under the action of traveling wave dielectrophoresis (DEP) and focus on particle induced effects. In a situation where the particles are driven by the DEP force, but no external forces are exerted on the fluid, the joint motion of the particles can induce a steady fluid flow, which leads to particle entrapment. This feedback effect is proven to be non-negligible even for small volume concentration of particles.
4 pages, 4 figures, submitted