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dc.contributor.authorFernández-Díaz, Edgardo
dc.contributor.authorRubio-Hernández, Francisco José 
dc.contributor.authorVelázquez-Navarro, José Francisco 
dc.date.accessioned2022-05-06T12:33:44Z
dc.date.available2022-05-06T12:33:44Z
dc.date.issued2022-04
dc.identifier.urihttps://hdl.handle.net/10630/24063
dc.description.abstractShear-thinning behavior (decrease of the apparent steady viscosity with shear) due to breaking of weak particle flocs and posterior alignment of individual particles in layers parallel to the flow direction is usually observed before the appearance of the shear-thickening behavior (increase of the apparent steady viscosity with shear). The shear-thickening behavior is mainly due to the dominant role played by hydrodynamic over Brownian and colloidal forces at relatively high shear. As a rule, the onset of shear-thickening behavior and the maximum viscosity value appear at lower shear rates when solid concentration increases, and temperature decreases. However, the influence of solid concentration and temperature on shear stress characteristic values have received less attention despite being the shear stress the true cause of microstructure changes that can provoke the appearance of the shear-thickening behaviour. A recently published empirical equation for the shear stress dependence of the steady viscosity of shear thickening fluids [T. Shende, V.J. Niasar, M. Babaei, J. Mol. Liq. 325 (2021) 115220] has been used for fitting experimental data (MARSIII, Thermo-Haake, Germany) of a hydrophilic fumed silica suspension (A200 (Evonik, Germany) in PPG400 (Sigma-Aldrich, Germany)). The influence of temperature (10,\ 30,\ 50,\ 70\degc) and solid concentration (10,\ 15,\ 20,\ 25%\ wt) on the shear-thickening behavior has been monitored recording their influence on the model parameters.es_ES
dc.description.sponsorshipUniversidad de Málaga. Campus de Excelencia Internacional Andalucía Tech.es_ES
dc.language.isoenges_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectReologíaes_ES
dc.subjectHumo de sílicees_ES
dc.subject.otherRheologyes_ES
dc.subject.otherFumed silicaes_ES
dc.titleTemperature and particle concentration influence on the complex viscous behavior of a hydrophilic fumed silica suspensiones_ES
dc.typeinfo:eu-repo/semantics/conferenceObjectes_ES
dc.centroEscuela de Ingenierías Industrialeses_ES
dc.relation.eventtitleAnnual European Rheology Conference AERC2022es_ES
dc.relation.eventplaceSevillaes_ES
dc.relation.eventdateDel 26 al 28 de abril de 2022es_ES
dc.rights.ccAttribution-NonCommercial-NoDerivatives 4.0 Internacional*


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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