Dissipation in a Sheared Foam: From Bubble Adhesion to Foam Rheology

被引：29

作者：

Besson, Sebastien ^{[1
]}

Debregeas, Georges ^{[1
]}

Cohen-Addad, Sylvie ^{[2
]}

Hoehler, Reinhard ^{[2
]}

机构：

[1] CNRS, UMR 8550, Lab Phys Stat, F-75231 Paris 05, France

[2] Univ Paris Est, Lab Phys Mat Divises & Interfaces, CNRS, UMR 8108, F-77454 Champs Sur Marne, Marne La Vallee, France

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.101.214504

中图分类号：

O4 [物理学];

学科分类号：

0702 [物理学];

摘要：

The link between the rheology of 3D aqueous foam and the adhesion of neighboring bubbles is tested by confronting experiments at two different length scales. On the one hand, the dynamics of adhesion are probed by measuring how the shape of two bubbles in contact changes as their center-to-center distance is modulated. On the other hand, the linear viscoelastic behavior of 3D foam prepared with the same soapy solution is characterized by its complex shear modulus. To connect the two sets of data, we present a model of foam viscoelasticity taking into account bubble adhesion.

引用

页数：4

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