A correlation to predict speed of sound in liquids: 1. n-Alkanes (≥C5) and their mixtures at high pressures

被引：7

作者：

Padilla-Victoria, Hector ^{[1
]}

Iglesias-Silva, Gustavo A. ^{[1
]}

Ramos-Estrada, Mariana ^{[2
]}

Hall, Kenneth R. ^{[3
]}

机构：

[1] Inst Tecnol Celaya, Dept Ingn Quim, Celaya 38010, Gto, Mexico

[2] Univ Michoacana, Fac Ingn Quim, Morelia 58000, Michoacan, Mexico

[3] Texas A&M Univ, Dept Chem Engn, College Stn, TX 77843 USA

来源：

FLUID PHASE EQUILIBRIA | 2013年 / 338卷

关键词：

Speed of sound; Correlation; n-Alkanes; Tait equation; High pressure; EXCESS MOLAR VOLUMES; ISENTROPIC COMPRESSIBILITIES; BINARY-MIXTURES; THERMODYNAMIC PROPERTIES; 298.15; K; ULTRASONIC SPEEDS; THERMOPHYSICAL PROPERTIES; REFRACTIVE-INDEXES; TEMPERATURE-DEPENDENCE; 100; MPA;

D O I：

10.1016/j.fluid.2012.10.018

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents a correlation to predict the speed of sound of n-alkanes with a carbon number greater than or equal to five and their mixtures. The correlation for the speed of sound follows the form of the Tait equation with variables: temperature, pressure and equivalent carbon number of the mixture. Part of this equation is a correlation for the atmospheric pressure sound speed of n-alkanes. The average absolute percentage deviation of the atmospheric equation from the literature experimental speed of sound values is 0.1%. The Tait equation uses 3000 experimental points at high pressures and has an average absolute percentage deviation of 0.17% from experimental measurements. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：119 / 127

页数：9

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