基于Eyring反应速率理论的溶液黏度模型

Viscosity Model for Mixtures Based on Eyring's Absolute Reaction Theory

溶液黏度的关联、预测模型和理论研究,在化学工程和溶液热力学理论中占有重要的地位。本文对基于Eyring反应速率理论的溶液黏度模型研究进行了概述。在基于Eyring黏度方程的基础上,分别介绍了通过溶液相平衡关系、基团贡献法和过量函数模型来计算混合物黏度的方法。最后对这3方面进行展望,提出了进一步发展基于Eyring理论黏度模型的研究建议。

The correlation and prediction of viscosity for mixtures play an important role in the chemical engineering and solution thermodynamic studies. In this work, the development of viscosity models for mixtures based on Erying’s absolute reaction theory is reviewed. These models include prediction methods based on the relationship between the free energy of activation for viscous flow and the phase equilibrium properties for mixtures, the group contribution UNIFAC-VISCO and ASOG-VISCO methods. The correlation models based on the using of numerous Gibbs free energy approach to calculate free energy of activation for viscous flow in Erying’s viscosity equation are also introduced. An outlook on the future development of viscosity model based on Erying’s absolute reaction theory is given at last.