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Thermocoalescence of microdroplets in a microfluidic chamber

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Thermocoalescence of microdroplets in a microfluidic chamber

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Title: Thermocoalescence of microdroplets in a microfluidic chamber
Author: Luong, Trung-Dung; Nguyen, Nam-Trung; Sposito, Alex
Copyright year: 2012
Abstract: Droplet coalescence plays an important role in droplet-based microfluidics. This letter reports the phenomenon of thermocoalescence of two droplets in a chamber with a microheater. An integrated resistive sensor allows the measurement of heating temperature. The merging process was investigated at different flow rates. Experimental results showed that the droplet slows down at increasing temperature and eventually merges with the subsequent droplet. Coalescence occurs at a critical heating temperature. The letter discusses the relationship between droplet velocity, critical merging temperature, and flow rates.
Subject: DRNTU::Engineering::Mechanical engineering.
Type: Journal Article
Series/ Journal Title: Applied physics letters
School: School of Mechanical and Aerospace Engineering
Rights: © 2012 American Institute of Physics. This paper was published in Applied Physics Letters 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/10.1063/1.4730606]. 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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