正壬烷和环戊烷压缩液体密度的实验测量和相关性

IF 3.5 2区 工程技术 Q1 ENGINEERING, MECHANICAL
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引用次数: 0

摘要

正壬烷+环戊烷的密度对燃料工业的设计计算、工艺模拟和质量控制具有重要作用。正壬烷 + 环戊烷二元混合物(x1 = 0、0.2010、0.3962、0.6049、0.8023 和 1)的液体密度是在 293-363 K 和高达 100 MPa 的压力下使用高压振动管密度计测量的。在整个温度和压力范围内,使用修正的 Tait 方程对这项工作中获得的密度数据进行了相关分析,实验值和计算值的绝对平均偏差分别为 0.010 %、0.016 %、0.009 %、0.011 %、0.010 % 和 0.014 %。此外,还与现有文献进行了比较,结果令人满意。最后,根据密度数据得出了等温可压缩性、等压热膨胀系数和过量摩尔体积。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental measurements and correlations of the compressed liquid densities for n-nonane + cyclopentane

Knowledge of the density of n-nonane + cyclopentane plays an important role in the design calculation, process simulation, and quality control of fuel industry. The liquid densities of n-nonane + cyclopentane binary mixtures (x1 = 0, 0.2010, 0.3962, 0.6049, 0.8023, and 1) were measured using a high pressure vibrating-tube densimeter at 293–363 K and pressures up to 100 MPa. The density data obtained in this work were correlated using the modified Tait equation over the entire temperature and pressure range, and the absolute average deviations of the experimental and calculated values were 0.010 %, 0.016 %, 0.009 %, 0.011 %, 0.010 %, and 0.014 %, respectively. Comparisons have also been made with the available literature and satisfactory agreement was found. Finally, the isothermal compressibility, isobaric thermal expansivity, and excess molar volume were derived from the density data.

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来源期刊
CiteScore
7.30
自引率
12.80%
发文量
363
审稿时长
3.7 months
期刊介绍: The International Journal of Refrigeration is published for the International Institute of Refrigeration (IIR) by Elsevier. It is essential reading for all those wishing to keep abreast of research and industrial news in refrigeration, air conditioning and associated fields. This is particularly important in these times of rapid introduction of alternative refrigerants and the emergence of new technology. The journal has published special issues on alternative refrigerants and novel topics in the field of boiling, condensation, heat pumps, food refrigeration, carbon dioxide, ammonia, hydrocarbons, magnetic refrigeration at room temperature, sorptive cooling, phase change materials and slurries, ejector technology, compressors, and solar cooling. As well as original research papers the International Journal of Refrigeration also includes review articles, papers presented at IIR conferences, short reports and letters describing preliminary results and experimental details, and letters to the Editor on recent areas of discussion and controversy. Other features include forthcoming events, conference reports and book reviews. Papers are published in either English or French with the IIR news section in both languages.
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