立方型状态方程结合Eyring理论在液体混合物黏度计算中的应用

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立方型状态方程结合Eyring理论在液体混合物黏度计算中的应用

计伟荣^a; D. A. Lempe^b

^a College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, China
^b Department of Engineering Science, Martin-Luther University of Halle-Wittenberg, D-06099, Halle, Germany

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-12-28 发布日期:2006-12-28
通讯作者: 计伟荣

Calculation of viscosities of liquid mixtures using Eyring's theory in combination with cubic equations of state

JI Weirong^a; D. A. Lempe^b

^aCollege of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, China
^b Department of Engineering Science, Martin-Luther University of Halle-Wittenberg, D-06099, Halle, Germany

Received:1900-01-01 Revised:1900-01-01 Online:2006-12-28 Published:2006-12-28
Contact: JI Weirong

摘要/Abstract

摘要： Cubic equations of state (EOS) have been combined with the absolute rate theory of Eyring to calculate viscosities of liquid mixtures. A modified Huron Vidal gE-mixing rule is employed in the calculation and in comparison with the van Laar and the Redlich-Kister-type mixing rule. The EOS method gives an accurate correlation of liquid viscosities with an overall average deviation less than 1% for 67 binary systems including aqueous solutions. It is also successful in extrapolating viscosity data over a certain temperature range using parameters obtained from the isotherm at a given temperature and in predicting viscosities of ternary solutions from binary parameters for either polar or associated systems.

关键词: viscosity;equation of state;mixing rule;absolute rate theory

Abstract: Cubic equations of state (EOS) have been combined with the absolute rate theory of Eyring to calculate viscosities of liquid mixtures. A modified Huron Vidal gE-mixing rule is employed in the calculation and in comparison with the van Laar and the Redlich-Kister-type mixing rule. The EOS method gives an accurate correlation of liquid viscosities with an overall average deviation less than 1% for 67 binary systems including aqueous solutions. It is also successful in extrapolating viscosity data over a certain temperature range using parameters obtained from the isotherm at a given temperature and in predicting viscosities of ternary solutions from binary parameters for either polar or associated systems.

Key words: viscosity, equation of state, mixing rule, absolute rate theory

计伟荣, D.A.Lempe. 立方型状态方程结合Eyring理论在液体混合物黏度计算中的应用[J]. CIESC Journal.

JIWeirong, D.A.Lempe. Calculation of viscosities of liquid mixtures using Eyring's theory in combination with cubic equations of state[J]. .

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立方型状态方程结合Eyring理论在液体混合物黏度计算中的应用

Calculation of viscosities of liquid mixtures using Eyring's theory in combination with cubic equations of state

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