异丁烷粘度新配方

IF 4.4 2区工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of Physical and Chemical Reference Data Pub Date : 2018-12-01 DOI:10.1063/1.5057413

S. Herrmann, E. Vogel

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引用次数: 3

摘要

迫切需要工业上重要流体的高标准热物理性质数据，以更准确地设计压缩机、燃气轮机和天然气管道以及冷却循环和化学过程。如果与热力学性质相比，通常，特别是在临界点附近区域的输运性质，还没有足够的准确性。对于异丁烷，Lemmon等人（2013）的现行NIST标准数据库REFPROP 9.1推荐了Vogel等人（2000）的粘度相关性，其有效性范围内的不确定性为（3-4）%。这种相关性是基于Younglove和Ely（1987）的过时状态方程（EoS）预测的，而REFPROP 9.1建议参考Bücker和Wagner（2006）的EoS来了解异丁烷的热力学性质。

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New Formulation for the Viscosity of Isobutane

Thermophysical property data of high standard are urgently requested for industrially important fluids to design more accurately compressors, gas turbines, and gas pipelines as well as cooling cycles and chemical processes. Transport properties, generally and particularly in the region near the critical point, are not known with sufficient accuracy, if compared with thermodynamic properties. For isobutane, the current NIST standard data base REFPROP 9.1 of Lemmon et al. (2013) recommends the viscosity correlation of Vogel et al. (2000) characterized by uncertainties of (3-4)% in its range of validity. This correlation was predicated on an outdated equation of state (EoS) of Younglove and Ely (1987), whereas REFPROP 9.1 recommends the reference EoS of Bücker and Wagner (2006) for the thermodynamic properties of isobutane.

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来源期刊

Journal of Physical and Chemical Reference Data 化学-化学综合

CiteScore

6.90

自引率

11.60%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Physical and Chemical Reference Data (JPCRD) is published by AIP Publishing for the U.S. Department of Commerce National Institute of Standards and Technology (NIST). The journal provides critically evaluated physical and chemical property data, fully documented as to the original sources and the criteria used for evaluation, preferably with uncertainty analysis. Critical reviews may also be included if they document a reference database, review the data situation in a field, review reference-quality measurement techniques, or review data evaluation methods.