Temperature-induced droplet coalescence in microchannels

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Temperature-induced droplet coalescence in microchannels

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Title: Temperature-induced droplet coalescence in microchannels
Author: Xu, Bin; Nguyen, Nam-Trung; Wong, Teck Neng
Copyright year: 2012
Abstract: This paper reports a technique for temperature-induced merging of droplets in a microchannel. The multiphase system consists of water droplet and oil as the dispersed phase and the carrying continuous phase. A resistive heater provides heating in a rectangular merging chamber. The temperature of the chamber is controlled by the voltage applied to the heater. The merging process of two neighboring droplets was investigated with different applied voltage, flow rate ratio between water and oil and total flowrate. Merging is found to be effective at high flow rate ratio, high temperature, and low total flowrate. The presented technique could be used for merging and mixing in droplet-based lab-on-a-chip platforms.
Subject: DRNTU::Engineering::Mechanical engineering.
Type: Journal Article
Series/ Journal Title: Biomicrofluidics
Rights: © 2012 American Institute of Physics. This paper was published in Biomicrofluidics and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following DOI: [http://dx.doi.org/10.1063/1.3630124 ].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Version: Published version

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