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Jet instability of a shear-thickening concentrated suspension
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.
https://hal-cnrs.archives-ouvertes.fr/hal-03093091
Contributor : Pascal Hebraud <>
Submitted on : Sunday, January 3, 2021 - 4:20:51 PM
Last modification on : Monday, January 4, 2021 - 2:47:54 PM
Long-term archiving on: : Sunday, April 4, 2021 - 6:19:59 PM
Contributor : Pascal Hebraud <>
Submitted on : Sunday, January 3, 2021 - 4:20:51 PM
Last modification on : Monday, January 4, 2021 - 2:47:54 PM
Long-term archiving on: : Sunday, April 4, 2021 - 6:19:59 PM
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article_maxime_epje_resub.pdf
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