Measurement of Diffusion Coefficients in Binary Mixtures and Solutions by the Taylor Dispersion Method

被引：1

作者：

Trusler, J. P. Martin ^{[1
]}

机构：

[1] Imperial Coll London, Dept Chem Engn, London SW7 2AZ, England

来源：

INTERNATIONAL JOURNAL OF THERMOPHYSICS | 2024年 / 45卷 / 04期

关键词：

Binary mixtures; Mutual diffusion; Taylor Dispersion apparatus; Tracer diffusion; CARBON-DIOXIDE; 423.15; K; TEMPERATURES; PRESSURES; BENZENE; WATER;

D O I：

10.1007/s10765-024-03339-x

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The theory and application of the Taylor Dispersion technique for measuring diffusion coefficients in binary systems is reviewed. The theory discussed in this paper includes both the ideal Taylor-Aris model and the estimation of corrections required to account for small deviations from this ideal associated with a practical apparatus. Based on the theoretical treatment, recommendations are given for the design of practical instruments together with suggestions for calibration, data acquisition and reduction, and the rigorous estimation of uncertainties. The analysis indicates that relative uncertainties on the order of 1% are achievable in practice.

引用

页数：21

共 25 条

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