丙醛+ 1-烷醇混合物密度和粘度的建模与实验研究

IF 2.9 4区工程技术 Q3 CHEMISTRY, PHYSICAL

International Journal of Thermophysics Pub Date : 2025-07-24 DOI:10.1007/s10765-025-03614-5

Mohammad Almasi, Ariel Hernández

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引用次数: 0

摘要

本研究提出了在293.15 K - 323.15 K温度范围内，0.1 MPa下丙醛与1-烷醇（从1-丙醇到1-庚醇）二元混合物的密度和粘度的新实验测量方法。利用具有范德华混合规则的Peng-Robinson三次状态方程和Redlich-Kister相关计算的理论过量摩尔体积值与实验数据在定性上一致。结果表明丙醛和醇之间有很强的相互吸引作用，导致负的过量摩尔体积和正的粘度偏差。

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Modeling and Experimental Study of Density and Viscosity of Propanal + 1-Alkanol Mixtures

This study presents new experimental measurements of density and viscosity for binary mixtures of propanal with 1-alkanols (from 1-propanol to 1-heptanol) at 0.1 MPa over the temperature range of 293.15 K–323.15 K. Theoretical excess molar volume values, calculated using the Peng–Robinson cubic equation of state with van der Waals mixing rules and the Redlich–Kister correlation, show qualitative agreement with the experimental data reported. The results indicate strong attractive interactions between propanal and the alcohols, leading to negative excess molar volumes and positive viscosity deviations.

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来源期刊

International Journal of Thermophysics 物理-力学

CiteScore

4.10

自引率

9.10%

发文量

179

审稿时长

5 months

期刊介绍： International Journal of Thermophysics serves as an international medium for the publication of papers in thermophysics, assisting both generators and users of thermophysical properties data. This distinguished journal publishes both experimental and theoretical papers on thermophysical properties of matter in the liquid, gaseous, and solid states (including soft matter, biofluids, and nano- and bio-materials), on instrumentation and techniques leading to their measurement, and on computer studies of model and related systems. Studies in all ranges of temperature, pressure, wavelength, and other relevant variables are included.