作为反馈效应的颗粒截留
Particle entrapment as a feedback effect
摘要：
我们考虑了在行波介电泳（DEP）作用下的可极化粒子悬浮液，并着重研究了粒子诱导效应。在颗粒由DEP力驱动但没有外力施加在流体上的情况下，颗粒的联合运动可以引起稳定的流体流动，这导致颗粒截留。这种反馈效应被证明是不可忽略的，即使是小体积浓度的颗粒。
英文摘要：
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.
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