An Equation for the Correlation of Viscosities of Binary Mixtures |
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Authors: | J. V. Herráez R. Belda O. Díez M. Herráez |
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Affiliation: | (1) Department of Thermodynamics, Faculty of Pharmacy, University of Valencia, Burjassot (Valencia), 46100, Spain;(2) Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Valencia, Burjassot (Valencia), 46100, Spain |
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Abstract: | Knowledge of the viscosity of binary mixtures is of great importance in many industrial processes. Rarely can the viscosity of mixtures be obtained from the sum of the viscosities of the pure components. The theoretical study of the viscosity of mixtures is generally complicated. Numerous empirical correlation models have been proposed. The present study proposes a new empirical correlation equation, based on lineal behavior. The equation can easily be used with one, two or three parameters, and in many cases it improves upon the models that are commonly used. Likewise, the excess viscosity calculated with the proposed equation generally yield more satisfactory results than those obtained with the polynomial equation of Redlich-Kister. |
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Keywords: | Viscosity Binary mixtures Empirical equation Correlations |
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