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dc.contributor.author
Francisca, Franco Matias
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dc.contributor.author
Fratta, Dante
dc.contributor.author
Wang, Herb F.
dc.date.available
2024-08-12T12:01:53Z
dc.date.issued
2008-03
dc.identifier.citation
Francisca, Franco Matias; Fratta, Dante; Wang, Herb F.; Electrowetting on mineral and rock surfaces; American Geophysical Union; Geophysical Research Letters; 35; 6; 3-2008; 1-5
dc.identifier.issn
0094-8276
dc.identifier.uri
http://hdl.handle.net/11336/242255
dc.description.abstract
Electrowetting was investigated as a method to influence fluid movement on mineral or rock surfaces. The experimental setup was to pface a small drop of water containing an electrolyte on a solid surface directly or on the same solid surface coated with a hydrophobic film. The contact angle decreased with an applied electric field until it reached a saturation value associated with a critical voltage. The electrowetting experiments were conducted again after surfactant was added to the water drop. In all cases the contact angle decreased with increasing voltage and surfactant concentration. Electrowetting enhanced the wetting effect over that of the surfactant alone both by lowering the contact angle and by promoting rupture of the hydrophobic film. Four zones of behavior were identified based on the surfactant concentration and the voltage level. The results open the possibility that electrowetting can be used to enhance mobilization of one fluid relative to another in hydrocarbon recovery or contaminant remediation, as interfacial tensions control multiphase fluid flow.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Geophysical Union
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CONTACT ANGLE
dc.subject
MINERAL
dc.subject
ROCK
dc.subject
WETTABILITY
dc.subject.classification
Ingeniería Civil
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dc.subject.classification
Ingeniería Civil
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Electrowetting on mineral and rock surfaces
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-08-08T15:43:57Z
dc.journal.volume
35
dc.journal.number
6
dc.journal.pagination
1-5
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Francisca, Franco Matias. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina
dc.description.fil
Fil: Fratta, Dante. University of Wisconsin; Estados Unidos
dc.description.fil
Fil: Wang, Herb F.. University of Wisconsin; Estados Unidos
dc.journal.title
Geophysical Research Letters
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2007GL032865
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1029/2007GL032865
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