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dc.contributor.authorFridjonsson, E. O.
dc.contributor.authorSeymour, Joseph D.
dc.date.accessioned2016-12-23T20:23:26Z
dc.date.available2016-12-23T20:23:26Z
dc.date.issued2016-10
dc.identifier.citationFridjonsson EO, Seymour JD “Colloid particle transport in a microcapillary: NMR study of particle and suspending fluid dynamics,” Chemical Engineering Science, 2016 October 22; 153: 165–173.en_US
dc.identifier.issn0009-2509
dc.identifier.urihttps://scholarworks.montana.edu/xmlui/handle/1/12400
dc.description.abstractPrecise manipulation of the hydrodynamic interaction between particles is particularly important for operation of microfluidic devices. Shear-induced migration gives rise to dynamical patterns within the flow that have been observed in a range of systems. In this work NMR ‘active’ colloidal particles (a=1.25 µm) at volume fraction of 22% in an aqueous phase are flowed through a µ-capillary (R=126 µm) and the transport dynamics of the particle and suspending fluid phases are studied using dynamic NMR techniques. Simultaneous interrogation of shear rheology of the suspending fluid and particle phases of colloidal suspensions is presented. The dynamic behavior of the suspending fluid is shown to carry within it information about the structure of the colloidal particle ensembles on the time scales investigated (Δ=25 ms→250 ms) providing rich experimental data for further investigation and model verification. The importance of determining the particle concentration profile within μ-capillaries is explicitly demonstrated as shear induced migration causes significant concentration gradients to occur at strong flow conditions (i.e. Pep=270).en_US
dc.titleColloid particle transport in a microcapillary: NMR study of particle and suspending fluid dynamicsen_US
dc.typeArticleen_US
mus.citation.extentfirstpage165en_US
mus.citation.extentlastpage173en_US
mus.citation.journaltitleChemical Engineering Scienceen_US
mus.citation.volume153en_US
mus.identifier.categoryEngineering & Computer Scienceen_US
mus.identifier.categoryLife Sciences & Earth Sciencesen_US
mus.identifier.doi10.1016/j.ces.2016.07.005en_US
mus.relation.collegeCollege of Agricultureen_US
mus.relation.collegeCollege of Engineeringen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentCenter for Biofilm Engineering.en_US
mus.relation.departmentChemical & Biological Engineering.en_US
mus.relation.departmentMicrobiology & Immunology.en_US
mus.relation.departmentPhysics.en_US
mus.relation.universityMontana State University - Bozemanen_US
mus.relation.researchgroupCenter for Biofilm Engineering.en_US
mus.data.thumbpage7en_US


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