Viscosity models for pure hydrocarbons at extreme conditions: A review and comparative study

HO Baled, IK Gamwo, RM Enick, MA McHugh - Fuel, 2018 - Elsevier
Viscosity is a critical fundamental property required in many applications in the chemical and
oil industries. In this review the performance of seven select viscosity models, representative …

Revisiting the entropy-scaling concept for shear-viscosity estimation from Cubic and SAFT equations of state: application to pure fluids in gas, liquid and supercritical …

A Dehlouz, R Privat, G Galliero… - Industrial & …, 2021 - ACS Publications
The entropy scaling concept postulates that reduced transport properties of fluids are related
to the residual entropy, a property that reveals intermolecular interactions and can be …

Prediction of petroleum viscosity from molecular weight and density

D Stratiev, I Shishkova, R Dinkov, S Nenov, S Sotirov… - Fuel, 2023 - Elsevier
Abstract 165 crude oils with viscosity, density, and molecular weight variation in the range
0.54–24135cP; 0.746–1.016 g/cm 3; 117–579 g/mol respectively were examined for …

Petroleum viscosity modeling using least squares and ANN methods

D Stratiev, S Nenov, S Sotirov, I Shishkova… - Journal of Petroleum …, 2022 - Elsevier
Abstract 274 crude oils pertaining to the groups of extra light (gas condensates), light,
medium, heavy, and extra heavy crude oils were characterized by true boiling point …

Numerical study on transport properties of the working mixtures for coal supercritical water gasification based power generation systems

X Yang, Y Feng, J Xu, J Jin, Y Liu, B Cao - Applied Thermal Engineering, 2019 - Elsevier
Abstract Viscosity of H 2 O/CO 2/H 2 mixtures or H 2 O/CO 2 mixtures is a vital transport
property and required in the design of equipment for coal supercritical water gasification …

Comparison of empirical models to predict viscosity of secondary vacuum gas oils

DS Stratiev, S Nenov, IK Shishkova, RK Dinkov… - Resources, 2021 - mdpi.com
This work presents characterization data and viscosity of 34 secondary vacuum gas oils (H-
Oil gas oils, visbreaker gas oils, and fluid catalytic cracking slurry oils) with aromatic content …

Improvement of the expanded fluid viscosity model for crude oils: effects of the plus-fraction characterization method and density

VB Regueira, VJ Pereira, GMN Costa… - Energy & …, 2018 - ACS Publications
The expanded fluid (EF) model is known for its capacity to calculate the viscosities of crude
oil and its mixtures with solvents at high pressure and temperature using a cubic equation of …

Viscometric studies of molecular interactions in binary liquid mixtures of isomeric xylenes with methanol

MKMZ Hyder, MA Saleh, F Hossain… - Journal of Chemical & …, 2018 - ACS Publications
Dynamic viscosities (ηexp) for the binary mixtures of methanol with isomeric (o-, m-, and p-
derivatives) xylenes were measured at T=(303.15, 308.15, 313.15, 318.15, and 323.15) K …

Viscosities of the binary mixtures of hexan-1-ol and the isomeric derivatives of dimethylbenzenes: experimental results, correlation and prediction

IMM Rahman, K Iwakabe, MA Uddin… - Journal of Solution …, 2015 - Springer
The kinematic and dynamic viscosities for binary systems of hexan-1-ol with the ortho-, meta-
, and para-isomers of dimethylbenzenes have been determined at T=(303.15, 308.15 …

[PDF][PDF] Cálculo de la viscosidad de hidrocarburos a partir de la ecuación cúbica de estado de Jarrahian-Heidaryan

LF Cardona-Palacio - Revista Mexicana de Ingeniería Química, 2016 - redalyc.org
Se plantea un nuevo modelo para la viscosidad basado en la similitud geométrica entre los
diagramas PV (volumen molar) T y Pµ (viscosidad) T para hidrocarburos de bajo peso …