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Correlation between PVT behavior and the zero‐shear viscosity of liquid mixtures

DOITrouver le DOI : https://doi.org/10.1122/1.549911
AuteurRechercher : 1
Affiliation
  1. Conseil national de recherches Canada
FormatTexte, Article
Résumé
Simha's statistical thermodynamics theory, based on the cell/hole model, provides an excellent description of liquid properties in the full range of reduced variables P̃, Ṽ, and T̃. In addition, it provides the occupied site fraction y as a function of these reduced variables. Recently, the theory was rigorously extended to homogeneous liquid mixtures. During the last few years, an attempt was made to correlate the zero‐shear viscosity η with Y≡1/(1−y). Y≡1/(1−y). The Y as a function of temperature T and pressure P was computed from Simha's theory for n‐paraffins (C ₅ to C ₁ ₈), oligomers (polybutene‐1 and silicone oils), and polymers (poly(dimethyl siloxane), polystyrene, poly(methyl methacrylate), polyethylenes, polypropylene, etc.). It was found that the temperature‐ and pressure‐dependent zero‐shear viscosity η of these liquids is a function of Y(T,P). In the present work the method is being extended to mixtures of n‐paraffins.
Date de publication
Maison d’éditionAIP
Dans
  • Journal of Rheology 30, nº 4 : 829–841.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCCNRC 25401
NRC-IGM 86-502-272
Numéro NPARC23004047
Exporter la noticeExporter en format RIS
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Identificateur de l’enregistrement1acc1b77-047c-4ad8-9ed7-9d9d1da415f7
Enregistrement créé2018-09-19
Enregistrement modifié2020-03-17

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