Surface-Tension-Confined Microfluidics
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چکیده
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منابع مشابه
The Design and Fabrication of Autonomous Polymer-based Surface Tension-confined Microfluidic Platforms
......................................................................................................................................... x Chapter 1: Introduction to Capillary Driven Microfluidics ..................................................... 1 1.1 Surface Tension-Confined Microfluidics ........................................................................ 1 1.2 Capillary-Driven Micr...
متن کاملMeasurement of a structured backflow in an open small channel induced by surface-tension gradients.
We present experiments in which the laterally confined flow of a surfactant film driven by controlled surface tension gradients causes the subtended liquid layer to self-organize into an inner upstream microduct surrounded by the downstream flow. The anomalous interfacial flow profiles and the concomitant backflow are a result of the feedback between two-dimensional and three-dimensional microf...
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In the present study we investigate computationally the deformation of an elastic capsule in a rectangular microfluidic channel and compare it with that of a droplet. In contrast to the bullet or parachute shape in a square or cylindrical channel where the capsule extends along the flow direction, in a rectangular channel the capsule extends mainly along the less-confined lateral direction of t...
متن کاملOpen-Surface Digital Microfluidics
Open-surface digital microfluidics refers to droplet manipulations in an open surface. Different chemical/biological reaction protocols can easily be demonstrated in the same device by reprogramming the order of droplet manipulations. While continuous-flow or liquid-plug microfluidics within microchannels have inherently limited programmability, there is no limit of reprogrammability in open-su...
متن کاملModelling Surface Tension Dominated Multiphase Flows Using the Vof Approach
Low-capillary number or surface tension dominated flows are found in a number applications, ranging from small scale microfluidics up to larger scale analysis of microgravity sloshing. This paper evaluates the possibility of modelling of surface tension dominated multiphase flows using an Eulerian volume-of-fluid (VOF) approach with high-resolution surface capturing. With the aim of improved st...
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