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Prediction of the viscosity of dense fluid mixtures

Prediction of the viscosity of dense fluid mixtures
Prediction of the viscosity of dense fluid mixtures
The Vesovic-Wakeham (VW) method of predicting the viscosity of dense fluid mixtures has been improved by implementing new mixing rules based on the rigid sphere formalism. The proposed mixing rules are based on both Lebowitz's solution of the Percus-Yevick equation and on the Carnahan-Starling equation. The predictions of the modified VW method have been compared with experimental viscosity data for a number of diverse fluid mixtures: natural gas, hexane + hheptane, hexane + octane, cyclopentane + toluene, and a ternary mixture of hydrofluorocarbons (R32 + R125 + R134a). The results indicate that the proposed improvements make possible the extension of the original VW method to liquid mixtures and to mixtures containing polar species, while retaining its original accuracy.
0026-8976
339-352
Royal, Damian
e4e7bad1-9e44-4176-8f83-09442cf654a2
Vesovic, Velisa
a9859909-f8ea-4c2e-9024-c3be619d5e9c
Trusler, Martin
281a4831-9fb5-448b-8515-c635954a210b
Wakeham, William A.
88549729-a39a-497f-b112-feaa6be2c449
Royal, Damian
e4e7bad1-9e44-4176-8f83-09442cf654a2
Vesovic, Velisa
a9859909-f8ea-4c2e-9024-c3be619d5e9c
Trusler, Martin
281a4831-9fb5-448b-8515-c635954a210b
Wakeham, William A.
88549729-a39a-497f-b112-feaa6be2c449

Royal, Damian, Vesovic, Velisa, Trusler, Martin and Wakeham, William A. (2003) Prediction of the viscosity of dense fluid mixtures. Molecular Physics, 101 (3), 339-352. (doi:10.1080/0026897021000021895).

Record type: Article

Abstract

The Vesovic-Wakeham (VW) method of predicting the viscosity of dense fluid mixtures has been improved by implementing new mixing rules based on the rigid sphere formalism. The proposed mixing rules are based on both Lebowitz's solution of the Percus-Yevick equation and on the Carnahan-Starling equation. The predictions of the modified VW method have been compared with experimental viscosity data for a number of diverse fluid mixtures: natural gas, hexane + hheptane, hexane + octane, cyclopentane + toluene, and a ternary mixture of hydrofluorocarbons (R32 + R125 + R134a). The results indicate that the proposed improvements make possible the extension of the original VW method to liquid mixtures and to mixtures containing polar species, while retaining its original accuracy.

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Published date: 2003

Identifiers

Local EPrints ID: 39582
URI: http://eprints.soton.ac.uk/id/eprint/39582
ISSN: 0026-8976
PURE UUID: f81811b6-81b1-4209-999a-1b3ef9f4f37e

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Date deposited: 30 Jun 2006
Last modified: 15 Jul 2019 19:00

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Contributors

Author: Damian Royal
Author: Velisa Vesovic
Author: Martin Trusler
Author: William A. Wakeham

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