Viscosity and thermal conductivity of dense hard sphere fluid mixtures
- 1 December 1969
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 17 (6), 643-653
- https://doi.org/10.1080/00268976900101521
Abstract
Thorne's extension of the Enskog theory to thermal conductivity and viscosity of binary hard sphere fluid mixtures is examined. It is shown that for molecules of the same size and different mass the expression for the thermal conductivity of such a mixture obtained by Longuet-Higgins, Pople and Valleau is identical to the collisional term in Thorne's equation arising from the locally maxwellian velocity distribution. Thorne's equations are evaluated by using the Percus-Yevick approximation for the contact radial distribution functions obtained by Lebowitz. The variations of the transport coefficients are examined as functions of pressure, composition and ratios of diameters and masses of the two species. Some comparison is made with experimental results.Keywords
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