Abstract
The response under small amplitude oscillatory deformations of a suspension of non-Brownian spheres dispersed in a viscoelastic fluid is investigated. The correspondence principle of linear viscoelasticity is used to derive a simple constitutive model from a model for a suspension in a Newtonian liquid. The theory predicts that for a specific particulate system the concentration dependence of the viscoelastic properties should collapse to a single master curve when the values are normalized with those of the carrier fluid alone. Measurements with the micro-Fourier rheometer using oscillatory squeeze flow are carried out on two suspensions of 60 and 80 μm sized particles dispersed in polymeric fluid and in silicon oil, and the master curve is verified.
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Received: 27 April 1999/Accepted: 15 October 1999
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See, H., Jiang, P. & Phan-Thien, N. Concentration dependence of the linear viscoelastic properties of particle suspensions. Rheol. Acta 39, 131–137 (2000). https://doi.org/10.1007/s003970050013
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DOI: https://doi.org/10.1007/s003970050013