A new group contribution model for prediction liquid hydrocarbon viscosity based on free-volume theory

被引：4
|
作者：
Jovanovic, Jovan D. [1 ]
Grozdanic, Nikola D. [1 ]
Radovic, Ivona R. [1 ]
Kijevc, Mirjana Lj. [1 ]
机构：
[1] Univ Belgrade, Fac Technol & Met, Karnegijeva 4, Belgrade 11120, Serbia
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2023年 / 376卷
关键词：
Group contribution model; Viscosity; n-alkanes; Free -Volume Theory; FLUID TRANSPORT-COEFFICIENTS; HIGH-PRESSURE VISCOSITY; EXCESS MOLAR VOLUMES; ASYMPTOTIC-BEHAVIOR CORRELATIONS; CORRESPONDING-STATES MODEL; HIGH-TEMPERATURE DIFFUSION; HARD-SPHERE MODEL; FATTY-ACID METHYL; PLUS N-OCTANE; BINARY-MIXTURES;
D O I：
10.1016/j.molliq.2023.121452
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper a group contribution model for predicting the viscosity values of n-alkanes and iso-alkanes in the liquid phase based on Free-Volume Theory was developed. A database with 2129 experimental data with a temperature range up to 573.15 K and a pressure range up to 4000 bar was used to develop the model. The total weighted average percentage error is 4.894%. The model was tested on the next 472 experimental data with a temperature range up to 564.15 K and a pressure range up to 2019 bar and a mean percentage error that was obtained is 5.155%. (c) 2023 Elsevier B.V. All rights reserved.
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页数：9
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