(469c) Dynamics of Three Elastic Capsules in Square Microfluidic Channels
AIChE Annual Meeting
2019
2019 AIChE Annual Meeting
Engineering Sciences and Fundamentals
Microfluidic and Nanoscale Flows: Multiphase Systems and External Fields
Wednesday, November 13, 2019 - 8:30am to 8:45am
During the last years, these applications have motivated the investigation of the dynamics of a single elastic capsule in a variety of microfluidic channels, including cylindrical, square and rectangular channels, constrictions and expansions.
In the present talk, our interest is concentrated on the hydrodynamic interactions between three elastic capsules in a square microfluidic channel. In our computation investigation, we consider spherical capsules made of a strain-hardening membrane with comparable shearing and area-dilation resistance, while we study a wide range of capsule sizes and flow rates. Under these conditions, we have identified several merging formation patterns which depend on the capsule size and initial separation. The conditions for capsules separation and the effects of lubrication physics will also be presented. Our work provides useful physical insight on bioartificial capsules, cancerous cells and erythrocytes aggregation in the microcirculation.
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