期刊
ADVANCES IN COLLOID AND INTERFACE SCIENCE
卷 201, 期 -, 页码 94-108出版社
ELSEVIER
DOI: 10.1016/j.cis.2013.09.001
关键词
Non-Newtonian electrokinetics; Non-linear electrokinetic phenomena; Electroosmosis; Electrophoresis; Viscoelectric effect; Electrorheological fluids; Microfluidics
资金
- Ministry of Education of Singapore [MOE2009-T2-2-102]
This work presents a comprehensive review of electrokinetics pertaining to non-Newtonian fluids. The topic covers a broad range of non-Newtonian effects in electrokinetics, including electroosmosis of non-Newtonian fluids, electrophoresis of particles in non-Newtonian fluids, streaming potential effect of non-Newtonian fluids and other related non-Newtonian effects in electrokinetics. Generally, the coupling between non-Newtonian hydrodynamics and electrostatics not only complicates the electrokinetics but also causes the fluid/particle velocity to be nonlinearly dependent on the strength of external electric field and/or the zeta potential. Shear-thinning nature of liquids tends to enhance electrokinetic phenomena, while shear-thickening nature of liquids leads to the reduction of electrokinetic effects. In addition, directions for the future studies are suggested and several theoretical issues in non-Newtonian electrokinetics are highlighted. (C) 2013 Elsevier B.V. All rights reserved.
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