Viscosity of Binary Liquid Mixtures: A Comparative Analysis of Mixing Rules

IF 3.8 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Mario Ramírez-de-Santiago
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Abstract

Modeling the viscosity of binary liquid mixtures (ηm) presents significant challenges due to the complex molecular interactions and the potential for nonmonotonic behavior. A total of 22 viscosity models were evaluated, with ln(ηm) expressed as the sum of an ideal component and a deviation term (δ), using the Arrhenius model as a reference. Based on the extensive experimental data, a classification scheme was developed to categorize ηm and δ into six distinct trend types, thereby aiding in the selection of the most suitable model. For each category, both ηm and δ were computed using all 22 models and compared to experimental results. The Ramírez de Santiago model, along with models incorporating one or more fitting parameters, demonstrated strong performance for monotonic mixtures (type I). For mixtures exhibiting nonmonotonic behavior, polynomial models, such as the Heric–Brewer, Legendre, and Redlich–Kister models, provided the best fit. The optimal polynomial degree was determined through leave-one-out cross-validation. This study offers a systematic approach for selecting the most accurate viscosity model for binary liquid mixtures.

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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
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