Jet instability of a shear-thickening concentrated suspension

被引：1

作者：

Liard, Maxime ^{[1
,2
]}

Sato, Akihiro ^{[1
]}

Sautel, Jeremy ^{[1
]}

Lootens, Didier ^{[2
]}

Hebraud, Pascal ^{[1
]}

机构：

[1] Univ Strasbourg, IPCMS CNRS UMR 7504, 23 Rue Loess, F-67034 Strasbourg, France

[2] Sika Technol AG, Tuffenwies 16, CH-8048 Zurich, Switzerland

来源：

EUROPEAN PHYSICAL JOURNAL E | 2020年 / 43卷 / 11期

关键词：

Flowing Matter; Liquids and Complex Fluids; IMPACT-ACTIVATED SOLIDIFICATION; DENSE SUSPENSIONS; RHEOLOGY;

D O I：

10.1140/epje/i2020-11994-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页数：6

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