Fluid Phase Equilibria, volume 498, pages 151-159
Calculation of viscosities of branched alkanes from 0.1 to 1000 MPa by molecular dynamics methods using COMPASS force field
Kondratyuk Nikolay D.
1, 2, 3
,
Pisarev V. V.
1, 3
Publication type: Journal Article
Publication date: 2019-10-01
Journal:
Fluid Phase Equilibria
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 2.6
ISSN: 03783812
Physical and Theoretical Chemistry
General Chemical Engineering
General Physics and Astronomy
Abstract
Shear viscosity is one of the key subjects of molecular modeling studies since this quality is used in the development of lubricants. In this paper, we use molecular dynamics methods to predict viscosity dependence on pressure up to 1000 MPa for 2,2,4-trimethylhexane. The COMPASS class II force field is used to determine atomic interactions in the model. The shear viscosity is calculated using Green-Kubo and Müller-Plathe methods. To achieve the convergence of the Green-Kubo integral, the time decomposition method is used. The approach is validated by 2,2,4-trimethylpentane for which experimental data are available. The calculated 2,2,4-trimethylhexane viscosity coefficient dependence is fit by Tait-like equation and does not show super-Arrhenius behavior. The Tait fit matches the experiment produced by Scott Bair for the pressures up to 500 MPa within the accuracy of the methods.
Citations by journals
Citations by publishers
5
10
15
20
25
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Elsevier
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Elsevier
23 publications, 44.23%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
5 publications, 9.62%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
4 publications, 7.69%
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Springer Nature
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Springer Nature
3 publications, 5.77%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
3 publications, 5.77%
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Pleiades Publishing
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Pleiades Publishing
3 publications, 5.77%
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IOP Publishing
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IOP Publishing
2 publications, 3.85%
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Wiley
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Wiley
2 publications, 3.85%
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SAGE
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SAGE
1 publication, 1.92%
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Taylor & Francis
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Taylor & Francis
1 publication, 1.92%
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Polymer Society of Korea
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Polymer Society of Korea, 1, 1.92%
Polymer Society of Korea
1 publication, 1.92%
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Uspekhi Fizicheskikh Nauk Journal
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Uspekhi Fizicheskikh Nauk Journal
1 publication, 1.92%
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American Geophysical Union
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American Geophysical Union
1 publication, 1.92%
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Frontiers Media S.A.
|
Frontiers Media S.A.
1 publication, 1.92%
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5
10
15
20
25
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Kondratyuk N. D. et al. Calculation of viscosities of branched alkanes from 0.1 to 1000 MPa by molecular dynamics methods using COMPASS force field // Fluid Phase Equilibria. 2019. Vol. 498. pp. 151-159.
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Kondratyuk N. D., Pisarev V. V. Calculation of viscosities of branched alkanes from 0.1 to 1000 MPa by molecular dynamics methods using COMPASS force field // Fluid Phase Equilibria. 2019. Vol. 498. pp. 151-159.
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TY - JOUR
DO - 10.1016/j.fluid.2019.06.023
UR - https://doi.org/10.1016%2Fj.fluid.2019.06.023
TI - Calculation of viscosities of branched alkanes from 0.1 to 1000 MPa by molecular dynamics methods using COMPASS force field
T2 - Fluid Phase Equilibria
AU - Kondratyuk, Nikolay D.
AU - Pisarev, V. V.
PY - 2019
DA - 2019/10/01 00:00:00
PB - Elsevier
SP - 151-159
VL - 498
SN - 0378-3812
ER -
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@article{2019_Kondratyuk,
author = {Nikolay D. Kondratyuk and V. V. Pisarev},
title = {Calculation of viscosities of branched alkanes from 0.1 to 1000 MPa by molecular dynamics methods using COMPASS force field},
journal = {Fluid Phase Equilibria},
year = {2019},
volume = {498},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016%2Fj.fluid.2019.06.023},
pages = {151--159},
doi = {10.1016/j.fluid.2019.06.023}
}