Fluid flow induced by nonuniform ac electric fields in electrolytes on microelectrodes I: experimental measurements
Fluid flow induced by nonuniform ac electric fields in electrolytes on microelectrodes I: experimental measurements
Under the influence of an ac electric field, electrolytes on planar microelectrodes exhibit fluid flow. The nonuniform electric field generated by the electrodes interacts with the suspending fluid through a number of mechanisms, giving rise to body forces and fluid flow. This paper presents the detailed experimental measurements of the velocity of fluid flow on microelectrodes at frequencies below the charge relaxation frequency of the electrolyte. The velocity of latex tracer particles was measured as a function of applied signal frequency and potential, electrolyte conductivity, and position on the electrode surface. The data are discussed in terms of a linear model of ac electroosmosis: the interaction of the nonuniform ac field and the induced electrical double layer.
4011-4018
Green, Nicolas G
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Ramos, Antonio
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Gonzalez, Antonio
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Morgan, Hywel
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Castellanos, Antonio
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April 2000
Green, Nicolas G
d9b47269-c426-41fd-a41d-5f4579faa581
Ramos, Antonio
511ab594-f312-45ce-b7ff-ef348fd9b559
Gonzalez, Antonio
41d6e3cb-9a9a-499a-89b3-a2872864e9d3
Morgan, Hywel
de00d59f-a5a2-48c4-a99a-1d5dd7854174
Castellanos, Antonio
aa989a75-63b0-4f3e-a36b-370545034d7b
Green, Nicolas G, Ramos, Antonio, Gonzalez, Antonio, Morgan, Hywel and Castellanos, Antonio
(2000)
Fluid flow induced by nonuniform ac electric fields in electrolytes on microelectrodes I: experimental measurements.
Physical Review E, 61 (4), .
(doi:10.1103/PhysRevE.61.4011).
(PMID:11088192)
Abstract
Under the influence of an ac electric field, electrolytes on planar microelectrodes exhibit fluid flow. The nonuniform electric field generated by the electrodes interacts with the suspending fluid through a number of mechanisms, giving rise to body forces and fluid flow. This paper presents the detailed experimental measurements of the velocity of fluid flow on microelectrodes at frequencies below the charge relaxation frequency of the electrolyte. The velocity of latex tracer particles was measured as a function of applied signal frequency and potential, electrolyte conductivity, and position on the electrode surface. The data are discussed in terms of a linear model of ac electroosmosis: the interaction of the nonuniform ac field and the induced electrical double layer.
Text
J13_Green_Ramos_Gonzalez_Castellanos_Morgan_Physical_Review_E_2000.pdf
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Published date: April 2000
Organisations:
Electronics & Computer Science
Identifiers
Local EPrints ID: 356055
URI: http://eprints.soton.ac.uk/id/eprint/356055
ISSN: 1539-3755
PURE UUID: fca60a8e-7bc2-47cb-8951-70d2a17838ff
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Date deposited: 22 Nov 2013 13:39
Last modified: 15 Mar 2024 03:20
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Author:
Nicolas G Green
Author:
Antonio Ramos
Author:
Antonio Gonzalez
Author:
Hywel Morgan
Author:
Antonio Castellanos
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