Hobbie, E.
and Migler, K.
(1999),
Vorticity Elongation in Sheared Polymeric Emulsions, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851508
(Accessed November 21, 2024)
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Vorticity Elongation in Sheared Polymeric Emulsions
Published
Author(s)
,
Abstract
Stroboscopic video microscopy is used to study the shear-induced deformation of micron-size polystyrene droplets dispersed in a continuous phase of polyethylene. We observe a rich variety of droplet shapes as a function of shear rate and viscosity ratio that include droplets extended perpendicular to the flow field. A simple force-balance argument is presented that relates this novel behavior to the change in normal stress difference across the droplet interface.Citation
Physical Review Letters
Volume
82
Pub Type
Journals
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Keywords
deformation, polymer droplets, polymer matrix, shear flow
Citation
Issues
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Created January 1, 1999, Updated February 17, 2017