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Principles of microfluidic actuation by modulation of surface stresses

Darhuber, Anton A. and Troian, Sandra M. (2005) Principles of microfluidic actuation by modulation of surface stresses. Annual Review of Fluid Mechanics, 37 . pp. 425-455. ISSN 0066-4189. doi:10.1146/annurev.fluid.36.050802.122052. https://resolver.caltech.edu/CaltechAUTHORS:DARarfm05

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Abstract

Development and optimization of multifunctional devices for fluidic manipulation of films, drops, and bubbles require detailed understanding of interfacial phenomena and microhydrodynamic flows. Systems are distinguished by a large surface to volume ratio and flow at small Reynolds, capillary, and Bond numbers are strongly influenced by boundary effects and therefore amenable to control by a variety of surface treatments and surface forces. We review the principles underlying common techniques for actuation of droplets and films on homogeneous, chemically patterned, and topologically textured surfaces by modulation of normal or shear stresses.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1146/annurev.fluid.36.050802.122052DOIUNSPECIFIED
ORCID:
AuthorORCID
Troian, Sandra M.0000-0003-1224-6377
Additional Information:"Reprinted, with permission, from the Annual Review of Fluid Mechanics, Volume 37 copyright 2005 by Annual Reviews, www.annualreviews.org" The authors are very grateful for financial support from the National Science Foundation, Unilever Research U.S., NASA, and the U.S. Army.
Group:GALCIT
Subject Keywords:microfluidics, Marangoni stress, thermocapillary flow, textured surfaces, droplet actuation, micro-patterned flow
DOI:10.1146/annurev.fluid.36.050802.122052
Record Number:CaltechAUTHORS:DARarfm05
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:DARarfm05
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7395
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:08 Feb 2007
Last Modified:08 Nov 2021 20:42

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