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On the viscosity of a concentrated suspension of solid spheres

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Abstract

Explanations of the very high viscosities of concentrated suspensions of spheres based on the dissipation in squeezing flow between particles pairs are shown to be in error. The dissipation in pair interactions is always of the order of that generated by shearing motions, and this dissipation is of too low an order in concentration for single pair interactions to explain the observed viscosities.

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Authors and Affiliations

  1. Center for Advanced Materials, Lawrence Berkeley Laboratory, Berkeley, Cal., USA

    G. Marrucci & M. M. Denn

  2. Istituto di Principi di Ingegneria Chimica, Universitá di Napoli, Piazzale Tecchico, I-80125, Napoli, Italia

    G. Marrucci

  3. Department of Chemical Engineering, University of California, Berkeley, 94720, Berkeley, CA, USA

    M. M. Denn

Authors
  1. G. Marrucci
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  2. M. M. Denn
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Marrucci, G., Denn, M.M. On the viscosity of a concentrated suspension of solid spheres. Rheol Acta 24, 317–320 (1985). https://doi.org/10.1007/BF01332611

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  • DOI: https://doi.org/10.1007/BF01332611

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