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Suspensions of Semiflexible Fibers in Polymeric Fluids: Rheology and Thermodynamics

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Abstract

A mesoscopic rheological model of suspensions of semiflexible fibers in polymeric fluids is formulated. Consequences of the model are compared with results of experimental observations of the rheological properties in a simple shear flow. The model takes into account the fiber-fiber and fiber-polymer interactions (in the free energy and the mobility coefficients) and the semiflexible nature of the fibers (in the choice of the Khokhlov-Semenov entropy).

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Acknowledgements

This work has been supported by the Natural Science and Engineering Council of Canada NSERC and the FCAR of the Province of Quebec, Ministry of Education. M. Rajabian would like to dedicate this work to the memory of late professor A. Ait-Kadi who supervised the experimental part of this work.

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Authors and Affiliations

  1. CRASP, Ecole Polytechnique de Montreal, C.P.6079 suc., Centre-ville, Montreal, H3C 3A7, Quebec, Canada

    Mahmoud Rajabian, Charles Dubois & Miroslav Grmela

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  1. Mahmoud Rajabian
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  2. Charles Dubois
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  3. Miroslav Grmela
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Correspondence to Miroslav Grmela.

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Rajabian, M., Dubois, C. & Grmela, M. Suspensions of Semiflexible Fibers in Polymeric Fluids: Rheology and Thermodynamics. Rheol Acta 44, 521–535 (2005). https://doi.org/10.1007/s00397-005-0434-7

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  • DOI: https://doi.org/10.1007/s00397-005-0434-7

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