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Optically monitored dip coating as a contactless viscometry method for liquid films

dc.contributor.authorMichels, Alexandre Fassinipt_BR
dc.contributor.authorMenegotto, Thiagopt_BR
dc.contributor.authorHorowitz, Flaviopt_BR
dc.date.accessioned2014-11-20T02:15:21Zpt_BR
dc.date.issued2005pt_BR
dc.identifier.issn1559-128Xpt_BR
dc.identifier.urihttp://hdl.handle.net/10183/107161pt_BR
dc.description.abstractReal-time interferometric monitoring of the dip coating process is applied to the study of properties of flowing liquids. Nonvolatile Newtonian oils are considered, allowing validity of a simple model after the steady state is reached where film physical thickness depends on time as t 1 2. Measurement of two distinct mineral oil standards, under several withdrawing speeds, resulted in kinematic viscosities of 1.17 0.03 and 9.9 0.2 S 1S 1 cm2 s . Agreement of these results with nominal values from the manufacturer suggests that interferometric monitoring of dip coating may become a valuable method for accurate, contactless viscometry of liquid films. Advantages and present limitations are discussed.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofApplied optics (2004). Washington, DC. Vol. 44, no. 6 (Feb. 2005), p. 912-915pt_BR
dc.rightsOpen Accessen
dc.subjectFilmes líquidospt_BR
dc.subjectInterferometria luminosapt_BR
dc.subjectIndice de refracaopt_BR
dc.subjectTransparênciapt_BR
dc.subjectViscosidadept_BR
dc.titleOptically monitored dip coating as a contactless viscometry method for liquid filmspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000545995pt_BR
dc.type.originEstrangeiropt_BR


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