正十六烷从三点到673K和高达425MPa的粘度的参考相关性

IF 4.4 2区工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of Physical and Chemical Reference Data Pub Date : 2018-07-25 DOI:10.1063/1.5039595

X. Meng, Y. K. Sun, F. Cao, Jiangtao Wu, V. Vesovic

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引用次数: 9

摘要

提出了正十六烷粘度的一种新的关联式。这种相关性是基于大量实验数据，这些数据经过了严格的内部一致性和与理论的一致性评估。它适用于从三相点到673K的温度范围，压力高达425MPa。所提出的相关性的总体不确定度估计为覆盖因子为2的组合扩展不确定度，从大气压下粘度的1%到低温下气相粘度的10%不等。在选定的温度和压力下以及沿着饱和线提供了由相关方程产生的粘度表。提出了正十六烷粘度的一种新的关联式。这种相关性是基于大量实验数据，这些数据经过了严格的内部一致性和与理论的一致性评估。它适用于从三相点到673K的温度范围，压力高达425MPa。所提出的相关性的总体不确定度估计为覆盖因子为2的组合扩展不确定度，从大气压下粘度的1%到低温下气相粘度的10%不等。在选定的温度和压力下以及沿着饱和线提供了由相关方程产生的粘度表。

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Reference Correlation of the Viscosity of n-Hexadecane from the Triple Point to 673 K and up to 425 MPa

A new correlation for the viscosity of n-hexadecane is presented. The correlation is based upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory. It is applicable in the temperature range from the triple point to 673 K at pressures up to 425 MPa. The overall uncertainty of the proposed correlation, estimated as the combined expanded uncertainty with a coverage factor of 2, varies from 1% for the viscosity at atmospheric pressure to 10% for the viscosity of the vapor phase at low temperatures. Tables of the viscosity generated by the relevant equations are provided at selected temperatures and pressures and along the saturation line.A new correlation for the viscosity of n-hexadecane is presented. The correlation is based upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory. It is applicable in the temperature range from the triple point to 673 K at pressures up to 425 MPa. The overall uncertainty of the proposed correlation, estimated as the combined expanded uncertainty with a coverage factor of 2, varies from 1% for the viscosity at atmospheric pressure to 10% for the viscosity of the vapor phase at low temperatures. Tables of the viscosity generated by the relevant equations are provided at selected temperatures and pressures and along the saturation line.

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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.