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Padé Approximants to the Equation of State of Hard Sphere Mixtures

Branko Borštnik ; National Institute of Chemistry, Hajdrihova 19, 61000 Ljubljana, Slovenia

Puni tekst: engleski pdf 12.889 Kb

str. 143-148

preuzimanja: 229



The values of the fifth viral coefficients, which were reported in our previous work on hard sphere mixtures with additive diameters at the diameter ratio = 0.6. were used in order to construct a Padé approxi- mant to the equation of state. The methodology was developed for constructing Padé approximants for binary mixtures when only low order viral coefficients are available. The resulting approximants exhibit satisfactory accuracy when compared with a linear combination of the results of Percus Yevick and the mean spherical approximation, or with the results of computer simulation.

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