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    Rheological parameter estimation of CMC-Water solutions using magnetic resonance imaging (MRI)
    (2018) Tezel, G. Bengusu
    In this study, the application of Magnetic Resonance Imaging (MRI) rheometry on the measurement of complex fluid Carboxylmethyl cellulose (CMC)-water solutions (0.5%, 1.0%, 1.5%, 2.0% w/w) flow was described. Depending on CMC concentration, Power law or Herschel-Bulkley models gave the best fit according to MRI and conventional rheometer (CVO) results. Power Law model was valid for 0.5% and 1.0% CMC (R2=0.9993-R2=0.9987 and R2=0.9983- R2=0.9985 respectively by MRI and CVO). On the other hand, 1.5% and 2.0% CMC solutions flow were well described by Herschel–Bulkley model (R2=0.9994-R2=0.9996 and R2=0.9986-R2=0.9981 respectively by MRI and CVO). The MRI measurements agreed well with the CVO measurements.