Jet instability of a shear-thickening concentrated suspension.
Eur Phys J E Soft Matter
; 43(11): 69, 2020 Nov 16.
Article
em En
| MEDLINE
| ID: mdl-33190210
ABSTRACT
We investigate the flow of a concentrated suspension of colloidal particles at deformation rates higher than the discontinuous shear-thickening transition shear rate. We show that, under its own weight, a jet of a concentrated enough colloidal suspension, simultaneously flows while it sustains tensile stress and transmits transverse waves. This results in a new flow instability of jets of shear-thickening suspensions the jet is submitted to rapid transverse oscillations, that we characterize.
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MEDLINE
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En
Ano de publicação:
2020
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Article