The viscosity and diffusion coefficients of the mixtures of four light hydrocarbon gases

Y. Abe, J. Kestin, H. E. Khalifa, W. A. Wakeham

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67 Scopus citations

Abstract

The paper reports on new, accurate (±0.3%) measurements of the viscosity of binary and multicomponent mixtures involving the four saturated hydrocarbons: CH4, C2H6, C3H8 and C4H10. Measurements were restricted to atmospheric pressure and the temperature range 25-195°C. The measurements confirm that the pure components conform to the extended law of corresponding states of Kestin, Ro and Wakeham and prove that the same is true about their mixtures. Measurements on the binary mixtures serve to determine the scaling factors σ12 and ε{lunate}12 for binary interactions, and measurements on multicomponent mixtures confirm the continued validity of the extended law of corresponding states for these complex molecules. The measurements yield values of the binary diffusion coefficients of the six pairs. The binary diffusion coefficients for C2H6-n·C4H10 and C3H8-n·C4H10 do not seem to have been measured before.

Original languageEnglish (US)
Pages (from-to)155-170
Number of pages16
JournalPhysica A: Statistical Mechanics and its Applications
Volume93
Issue number1-2
DOIs
StatePublished - Aug 1978

ASJC Scopus subject areas

  • Statistics and Probability
  • Condensed Matter Physics

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