从三点到460 K和380 MPa的环戊烷粘度的参考相关性

IF 4.4 2区 工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY
K. Α. Tasidou, M. Huber, Marc J. Assael
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引用次数: 3

摘要

本文根据严格评估的实验数据,提出了环戊烷粘度的一种新的宽范围相关性。该相关性被设计用于最近开发的状态方程,并且在高达380 MPa的液体范围内从三点到360 K和在低压蒸汽范围内从460 K有效。所有主要数据的拟合平均绝对百分比偏差为0.8%,偏差为-0.3%。整个拟合的估计扩展不确定度为2.7%(在95%置信水平下),而从298 K到460 K的大气压力附近的不确定度增加到4%。当外推到500MPa时,相关性以物理上合理的方式表现;然而,当使用验证范围之外的相关性时,应该小心。本文根据严格评估的实验数据,提出了环戊烷粘度的一种新的宽范围相关性。该相关性被设计用于最近开发的状态方程,并且在高达380 MPa的液体范围内从三点到360 K和在低压蒸汽范围内从460 K有效。所有主要数据的拟合平均绝对百分比偏差为0.8%,偏差为-0.3%。整个拟合的估计扩展不确定度为2.7%(在95%置信水平下),而从298 K到460 K的大气压力附近的不确定度增加到4%。当外推到500MPa时,相关性以物理上合理的方式表现;然而,当使用验证范围之外的相关性时,应该小心。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reference Correlation for the Viscosity of Cyclopentane from the Triple Point to 460 K and up to 380 MPa
This paper presents a new wide-ranging correlation for the viscosity of cyclopentane based on critically evaluated experimental data. The correlation is designed to be used with a recently developed equation of state, and it is valid from the triple point to 360 K in the liquid range up to 380 MPa and 460 K in the low-pressure vapor range. The average absolute percent deviation of the fit for all primary data is 0.8% with a bias of −0.3%. The estimated expanded uncertainty of the whole fit is 2.7% (at the 95% confidence level), while the uncertainty near atmospheric pressure from 298 K to 460 K increases to 4%. The correlation behaves in a physically reasonable manner when extrapolated to 500 MPa; however, care should be taken when using the correlations outside of the validated range.This paper presents a new wide-ranging correlation for the viscosity of cyclopentane based on critically evaluated experimental data. The correlation is designed to be used with a recently developed equation of state, and it is valid from the triple point to 360 K in the liquid range up to 380 MPa and 460 K in the low-pressure vapor range. The average absolute percent deviation of the fit for all primary data is 0.8% with a bias of −0.3%. The estimated expanded uncertainty of the whole fit is 2.7% (at the 95% confidence level), while the uncertainty near atmospheric pressure from 298 K to 460 K increases to 4%. The correlation behaves in a physically reasonable manner when extrapolated to 500 MPa; however, care should be taken when using the correlations outside of the validated range.
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来源期刊
CiteScore
6.90
自引率
11.60%
发文量
14
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.
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