Speed of sound measurements of two binary natural gas mixtures (methane plus n-butane and methane plus isopentane) at cryogenic temperatures and in liquid phase

被引：1

作者：

Cavuoto, G. ^{[1
]}

Albo, P. A. Giuliano ^{[1
]}

Lago, S. ^{[1
]}

机构：

[1] Ist Nazl Ric Metrol INRiM, Str Cacce 91, I-10135 Turin, Italy

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2023年 / 176卷

关键词：

Speed of sound; Liquefied; Natural gas; Mixtures; Cryogenic; High pressure; THERMODYNAMIC PROPERTIES; PRESSURES; DENSITY; WATER;

D O I：

10.1016/j.jct.2022.106906

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents accurate speed of sound measurements in two specific single-phase liquefied natural gas mixtures (methane + isopentane and methane +n-butane) for temperatures ranging from (100 to 160) K and pressures up to 12 MPa, with expanded relative uncertainties (k = 2) between (0.27 and 0.35) % for methane + n-butane and between (0.26 and 0.30) % for the methane + isopentane. These measurements have been obtained using the double pulse-echo technique. The experimental results of these measurements were compared with the values predicted by the GERG-2008 model and the most recent fundamental equation of state for the calculation of thermodynamic properties of liquefied natural gases, EOS-LNG.

引用

页数：11

共 19 条

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