Rheological characterization of MFC using Optical Coherence Tomography

Sanna Haavisto, Juha Salmela, Ari Jäsberg, Tapio Saarinen, Anni Sorvari, Antti Koponen

    Research output: Contribution to conferenceOther conference contributionScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Optical Coherence Tomography (OCT) has opened whole new possibilities for measuring boundary layer properties for opaque fluids. Our results clearly demonstrate the benefits of having direct measurement of the velocity field inside the rheometer instead of using assumed velocity profile as the basis of interpreting the measured rheometric data. OCT has the potential of significant breakthrough in understanding the rheological properties of complex opaque fluids such as MFC. By utilizing this method we have obtained new infirmation about flow instabilities inside a rheometer gap and used this data to interpret rheometer flow curve.
    Original languageEnglish
    Publication statusPublished - 2013
    MoE publication typeNot Eligible
    EventPaper Conference and Trade Show, PaperCon 2013 - Atlanta, United States
    Duration: 27 Apr 20131 May 2013

    Conference

    ConferencePaper Conference and Trade Show, PaperCon 2013
    Abbreviated titlePaperCon 2013
    CountryUnited States
    CityAtlanta
    Period27/04/131/05/13

    Keywords

    • optical coherence tomography
    • rheology
    • microfibrillated cellulose

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