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Anomalous viscous loss in emulsions

Liu, Andrea J and Ramaswamy, Sriram and Mason, TG and Gang, Hu and Weitz, DA (1996) Anomalous viscous loss in emulsions. In: Physical Review Letters, 76 (16). pp. 3017-3020.

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Official URL: http://prl.aps.org/abstract/PRL/v76/i16/p3017_1

Abstract

We propose a model for concentrated emulsions based on the speculation that a macroscopic shear strain does not produce an affine deformation in the randomly close-packed droplet structure. The model yields an anomalous contribution to the complex dynamic shear modulus that varies as the square root of frequency. We test this prediction using a novel light scattering technique to measure the dynamic shear modulus, and directly observe the predicted behavior over six decades of frequency and a wide range of volume fractions.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 10 May 2011 07:52
Last Modified: 10 May 2011 07:52
URI: http://eprints.iisc.ernet.in/id/eprint/37020

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