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Title: Interface control of pressure-driven two-fluid flow in microchannels using electroosmosis
Authors: Wang, Cheng
Gao, Yandong
Nguyen, Nam-Trung
Wong, Teck Neng
Yang, Chun
Ooi, Kim Tiow
Keywords: DRNTU::Engineering::Mechanical engineering
Issue Date: 2005
Source: Wang, C., Gao, Y. D., Nguyen, N. T., Wong T. N., Yang, C., & Ooi, K. T. (2005). Interface control of pressure-driven two-fluid flow in microchannels using electroosmosis. Journal of Micromechanics and Microengineering, 15(12), 2289-2297.
Series/Report no.: Journal of micromechanics and microengineering
Abstract: This paper presents an experimental investigation of the pressure-driven two-fluid flow in microchannels with electroosmosis effect. Two fluids, aqueous NaCl solution and aqueous glycerol, were introduced by syringe pumps to flow side by side in a straight microchannel. The external electric field was applied on the NaCl side. Under the same inlet volumetric flowrate condition, the applied electric field was varied. The interface position between the two fluids with the electroosmosis effect was studied in the first part of the experiment using the fluorescence imaging technique. In the second part, the velocity field was measured using the micro-PIV technique. The parameters, flowrate and electric field which affect the interface position and velocity field were investigated. The measured velocity field from the experiment agrees well with that of theoretical analysis.
DOI: 10.1088/0960-1317/15/12/011
Rights: © 2005 IOP Publishing Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Micromechanics and Microengineering, IOP Publishing Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: DOI: []
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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